MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed to redirect users. The presence of embedded JavaScript and a high ML classifier score further support its malicious nature. ClamAV also detected it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://drafthe.ru/uplcv?utm_term=green+tick+emoji+copy+and+paste PDF link annotation
- http://mylodge-naoshima.com/mibewafusiligudamamugekuw.pdfIn PDF document text
- http://diplomat2014.ru/ckfinder/userfiles/files/77084707982.pdfIn PDF document text
- http://sowiik.pl/userfiles/file/93228107049.pdfIn PDF document text
- https://yantrasearch.com/ckfinder/userfiles/files/61848525582.pdfIn PDF document text
- http://bjavc.com/filespath/files/20210904205957.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/161389ab409216---66870847149.pdfIn PDF document text
- https://maymac.info/userfiles/file/63140594240.pdfIn PDF document text
- http://hatowo.com/app/webroot/uploads/files/gitid.pdfIn PDF document text
- http://valeneighbors.com/userimages/xuvizidozoxofex.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/5814919959.pdfIn PDF document text
- http://sozopolihills.com/userfiles/file/romevolajugopunefikezuza.pdfIn PDF document text
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/30553127172.pdfIn PDF document text
- https://acrgruppe.de/userfiles/file/zunibixiwovakiripoxudi.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c98a4a96c1---ripulujis.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/55aa46c49ed495c76ad00856a2992721/55236332171.pdfIn PDF document text
- http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/paxinesuwo.pdfIn PDF document text
- https://infrastone.com/userfiles/files/bavalilulu.pdfIn PDF document text
- http://ruishikaishi.com/upload/content/files/2021/09/20210911174557.pdfIn PDF document text
- https://jck.ro/userfiles/file/67397448114.pdfIn PDF document text
- http://haki.vn/uploads/files/34319872657.pdfIn PDF document text
- http://lyzjkgm.com/d/files/38415626658.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/19713301022.pdfIn PDF document text
- https://astdubai.co/userfiles/files/68148353607.pdfIn PDF document text
- https://ottopianos.nl/files/militobemijugexagiwuto.pdfIn PDF document text
- 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_off0000baa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAA8 | 11004 bytes |
SHA-256: ef34dd55c807e0ec6395a3a8358a268cd8c8244531aa3d81b4cc312f4be64e6a |
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font_01_sfnt_off0000d441.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD441 | 19444 bytes |
SHA-256: 98b829772c5621534a18d286e1ffd5d18c081c37c1ed909d4675b1f58a3a05df |
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font_02_sfnt_off000106f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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