MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document functions as a link farm, directing users to numerous external URLs hosted on compromised or disposable domains. These links are likely intended to facilitate phishing attacks or distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crewmak.ru/uplcv?utm_term=but+for+conditional
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160824609b19c3---mufumizokatebox.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/38jg9rf4dmtindjgk6413tcgda/28915235362.pdf
- http://ahkjt.com/upfile/file/majimurojudusuwinaraweg.pdf
- http://metamorfoza-krosno.pl/userfiles/file/dazekurutanajafubines.pdf
- https://ajitcoatings.com/uploads/80907673249.pdf
- http://teifsepahan.com/files/file/53745692374.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/hs2p0ig0uqjb2jr8arl485q0cv/67179325264.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a660bc43974---mejawexexigo.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6803bbbfad---zerubojinit.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/c09mda8dp6mpe8qbsj2k9k67u3/21936007795.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8434cec4a4---2365074458.pdf
- https://willmarlakesarea2040.com/ckfinder/userfiles/files/51642307386.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/da6fbf9516b5a8ac7a367c4f4ede48e2/wimapetixozavizumapakufax.pdf
- http://954move.com/clients/4890/File/filavebalenuwukebebub.pdf
- https://aljazeerahpetroleum.ae/userfiles/files/70604802608.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d2c61b22fc---41213304222.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/c01i9jl8jfo4mhkngtu46g7fq0/75694716645.pdf
- http://hoadondientu-ptp.vn/images/ckeditor/files/85336470441.pdf
- http://hitecds.com/userfiles/file/misibaxip.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b99b0e6b1b8---vuraxuki.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d78f175a8---mutijo.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b385125b591---fowodeliwufap.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b885.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB885 | 16792 bytes |
font_01_sfnt_off0000d09c.binba6833960ad1e79c6a473ade573dd2fa6771e426ad516d15a18f312cbc9d5f3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD09C | 10324 bytes |
font_02_sfnt_off0000e7ff.bin2aecda0cbe2860f7b92f8687b897d2dba9111777fd10c620d4c8c6f8fb98bda9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FF | 15380 bytes |
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