MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior. While no scripts were explicitly extracted, the nature of the embedded URLs suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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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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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://crysiq.ru/uplcv?utm_term=cohen+manion+%26+morrison+2007 PDF link annotation
- http://lafenicealcamo.it/userfiles/files/48664032963.pdfIn PDF document text
- https://kohphanganhotelandtour.com/userfiles/file/47219538905.pdfIn PDF document text
- http://poultech.net/d/files/26884665244.pdfIn PDF document text
- http://zgkimsteszew.pl/img/upload/files/fozujodeb.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/39246744244.pdfIn PDF document text
- http://citadelcaralarms.com/userfiles/file/48370242010.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/linoguvunur.pdfIn PDF document text
- http://holidayinntorino.com/userfiles/files/xogakujeseturabotevi.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/52409247208.pdfIn PDF document text
- https://mimpidia.com/contents/files/vonirepebav.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1630581113.pdfIn PDF document text
- http://dienlanhhuubinh.com/upload/files/21857692704.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/rp9cucsn8mlqka2gumlp6cnt4c/34093531085.pdfIn PDF document text
- https://lesura.net/userfiles/file/zimokarozadusepexorofeg.pdfIn PDF document text
- http://sportsgarten.com/editorData/file/xegonitoxopuminakib.pdfIn PDF document text
- https://magnanelli.com/userfiles/file/87547605394.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/f7de16e0458ff804bf252c7485bccb04/74852602800.pdfIn PDF document text
- http://woykoff.hu/upload/file/kegigokugibukixub.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/67164575069.pdfIn PDF document text
- http://zs-oilfieldequip.ru/d/files/lalolalesikerim.pdfIn PDF document text
- http://utcsp.rustyramone.com/uploads/files/napijinuzijabawagofe.pdfIn PDF document text
- http://dancephoto.ru/userfiles/files/luduwidubogarukefozegosaw.pdfIn PDF document text
- http://ff-engineering.com/userfiles/files/xuzixunivav.pdfIn PDF document text
- https://machnik.net/ckfinder/userfiles/files/93756794793.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_off0000c653.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC653 | 20288 bytes |
SHA-256: ca10964b1bf079b722bdee025c36c36291582277cf0f8d97913be542fadb6a8d |
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font_01_sfnt_off0000fc17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001142d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142D | 9992 bytes |
SHA-256: 45a6c090f2e14f2b8f65b6c949719ade1ac49bc0707e3c19e04d56bdb207485f |
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