MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains a link farm pointing to compromised WordPress uploads and other disposable hosting, designed to redirect users to malicious content. The presence of multiple external URIs and a high ML score strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://cafesca.org/ckfinder/userfiles/files/40925348794.pdf
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/s0jtd0okukfmbu4cjeaua25okd/gosujodule.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c986798162---71072193162.pdf
- http://alpha-cp.com/userfiles/file/43157701129.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/253b6f3a313cda526e4a0bcd405046df/xemegapivokikeluk.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609f274e9ba2c---65662592982.pdf
- http://apexhealthnutrition.com/newerac2c/userfiles/file/sobuxapenakopexebogapit.pdf
- http://cortabellanews.com/userimages/jibavazusagafove.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/j8e9mfd3hvqh89i1vnfr48bs4t/kukosikizisaxenewo.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/016821d574bf893ed7c5366e4b4f52da/94625746896.pdf
- http://pechati-piter.ru/userfiles/file/tunoda.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/1344269f2a05df71af3c41dfd45436e6/75238292301.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/22c5e277dac2fbbf428621ad37139bfd/tosizalevobavi.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/d918134dcc22272d02c4c75c9c150cc4/bofizisivukaxinovod.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160802e7abf239---boruxinazanor.pdf
- https://unique-u.biz/images/uploads/file/kujopoxivagunaxo.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/c29b2069f84621c57b0a9fc64851adde/gufugupujizefizarudezizi.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c95b36b3e7b---50721179657.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/932to72icuf6rftisg23nbihl6/milupewuj.pdf
- http://bjhtdszdh.com/v15/Upload/file/202151315918839.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c04db74e6---zibutajijozigiguvemaz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=no+vaginal+discharge+during+pregnancy
- 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_off0000e4e4.bin811c1214a253d62f0775e67e5f61af5b37f055ffab6d08c55d2aebf659a0f65c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E4 | 10952 bytes |
font_01_sfnt_off0000fe09.bin1a02e2cdaf256d1e6502447a3e9dbe49fdfae9dfae893bd98910c6f558f7d807 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE09 | 16476 bytes |
font_02_sfnt_off000128cc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128CC | 16792 bytes |
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