MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file exhibits multiple indicators of malicious intent, including links to algorithmically generated URLs and a link farm pointing to compromised WordPress sites. The presence of a 'download button' lure and instructions for a password-protected archive strongly suggest a phishing or malware distribution scheme. The ClamAV detection and ML classifier further corroborate its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/9fb18c763a4446e1d13aafb687bcfed2/vajeniwexugipudoge.pdf In PDF document text
- http://beiwendq.com//data/attachment/file/30083193798.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/69820903923.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d517183493---4860929846.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/89182638999.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd03784b58---fuvuzuralal.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/gadoruwonululapi.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/3c676c65fd8a27f945c9a204ac90e45e/25911374573.pdfIn PDF document text
- http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/92577535798.pdfIn PDF document text
- http://struttur-arch.it/userfiles/files/kakegopipirazawu.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608a57c2ccbf5---wekogavuragokimatopes.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/5d64fb27a35702200add856a3d51eeb7/5326501136.pdfIn PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608878ccd7816---gagagetisi.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609362a1754a4---80916460546.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ca75ae275---megafeworugemitowi.pdfIn PDF document text
- http://zdravi-kromeriz.cz/files/file/mobeludufukek.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609cde5eaf18d---xosizuma.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/2938176064.pdfIn PDF document text
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/02fd10e17b82587ff1bbe14c97393cfc/damapowelivijatan.pdfIn PDF document text
- https://caribemed.com/userfiles/file/49624347012.pdfIn PDF document text
- http://flatadministration.com/uploades/fckeditorfile/13837339230.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609fec151ad73---lelusibesofipinikojipi.pdfIn PDF document text
- http://berbun.com/user_img/file/91959736756.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/6e9e7d3e23e688694687e76afecddfa4/levodukavubiz.pdfIn PDF document text
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/87551791472.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=halo+ce+free+download+unblockedPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12542 | 29068 bytes |
SHA-256: 8b7369f215abd3f37ab2fa2a5951df3cddc75d6985e1367e3a4a35a25051137b |
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font_01_sfnt_off0001615e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1615E | 10520 bytes |
SHA-256: 231ae68fe2e0553915c548818a164ca39b666da6f0829afaa8c3bcf92ccf6d2f |
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font_02_sfnt_off00017979.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17979 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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