MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics indicate the PDF acts as a link farm, directing users to a variety of external URLs hosted on compromised or disposable domains. These URLs are likely used to distribute further malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://chcial.ru/uplcv?utm_term=treating+occipital+neuralgia+at+home PDF link annotation
- http://navigator-nsk.ru/userfiles/file/6461955687.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f1bd121b1---55577400683.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/ks25g32ofq4uhlekn4ek3nump6/vobiderasa.pdfIn PDF document text
- https://98ing.com/upload/ck/files/20210813_093108.pdfIn PDF document text
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/55300431262.pdfIn PDF document text
- http://beiwendq.com//data/attachment/file/mojerekajita.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16070fd4b25090---42856280866.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/gumuvamas.pdfIn PDF document text
- http://robvancampen.nl/userfiles/file/1480524471.pdfIn PDF document text
- https://laserbeautymachine.net/d/files/13280679047.pdfIn PDF document text
- http://tele-fonika.pl/upload/file/62714385440.pdfIn PDF document text
- https://veljun-ldm.hr/files/56715280434.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/95dd91bae215d11a33c89e4af56db04b/2315310194.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/b1f0ea2612ce212940d59c3d0a91cdba/bivemetubufajinizasedib.pdfIn PDF document text
- https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/6e84b80c2b623559be8f76f472d2ae7e/piloto.pdfIn PDF document text
- https://diarch.in/WYSIWYGImage/file/siwuvigibe.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3cadab4b70---89842714781.pdfIn PDF document text
- http://vektorma.ru/uploads/assets/file/xavub.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/94f2123d955b70ea154b1acc01f990ec/16347614015.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16099910ddb9f6---nexezigigonuwad.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090583846255---18827531740.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/finegu.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a526811d6e---4841495394.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/pobobebotegoremufivimun.pdfIn PDF document text
- http://gerastar.com/userfiles/file/xupodawura.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_off0000c246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC246 | 17124 bytes |
SHA-256: 7b9b8862c95d748c801ef4dd84651db6d0001af4bb15a95e69c593acc1ce95b5 |
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font_01_sfnt_off0000eec4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DB | 10716 bytes |
SHA-256: 0aeb6004dca69469f5250205260181ec4153fc81dd9090d55d5ee0ca78627399 |
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