MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains a link farm pointing to various external URLs, many hosted on compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a tactic of using disposable or compromised hosting for link distribution, common in phishing and malware campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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 http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/vofutevuvozozirikevusape.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/76c5f345da2447fd31c3825c12391e46/legilazagiluxexo.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/3e81a0787d58cb2b5e3ca0ff4b6fc684/13311288992.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/f47285515bdc0fpbh6s8v0ciji/35626870962.pdf
- http://zetrade.cz/userfiles/file/xemawelugazeketil.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a7a88920369906e2e7ccae68033b47c1/furafipikuv.pdf
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/luzol.pdf
- http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/5983163401.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d96b2a5398---sidujifod.pdf
- http://euroinstytut.pl/galeria/file/90951877877.pdf
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/23783634237.pdf
- http://ahkjt.com/upfile/file/galepelaguzo.pdf
- http://goldmustang.com/files/files/69804980274.pdf
- http://93564497.com/userfiles/69630397.pdf
- https://csn-alliance.com/data/files/gebimefobifiminesu.pdf
- http://upoart.com/ckfinder/userfiles/files/70884708328.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608746131ccf5---rezusevurog.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b454c85a8f9---sedulore.pdf
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/o8vlc6ferca708os6caqdb7kur/35001115184.pdf
- http://casadiriposomarsala.it/userfiles/files/96362204468.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073761c12cb7---vetutajuvusabekadiwezem.pdf
- http://starsunited.at/upload/files/zagezagusapukifemizunev.pdf
- http://csc0451.com/userfiles/file/20210617075114_ndocb7.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=comedic+male+monologues
- 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_off0000ddc6.bineaaa3455d57e4712f89404b8edf45756c4c7d050551db2c4d843d52f0456bcfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC6 | 17448 bytes |
font_01_sfnt_off00010b15.bin00e05b9d064545bd944d412dda5f70383af0f10834d786c9100ec04f698e0a15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B15 | 10644 bytes |
font_02_sfnt_off00012335.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12335 | 16792 bytes |
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