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. It functions as a link farm, hosting numerous links on compromised WordPress sites that redirect to other PDF files. The presence of 'utm_term=injured+spouse+relief' suggests a potential phishing lure related to legal or financial matters. The file's structure and extensive link farm indicate an attempt to obscure the final malicious destination and evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/8e753953d3f2b8e0f238701f508ed233/10472216067.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/iu24ptp2o733q5ve3g9ogghpll/88519694983.pdf
- http://guerrazzi.info/userfiles/files/2060301041.pdf
- http://limitlessillusion.com/wp-content/plugins/super-forms/uploads/php/files/760bfcab9653e090e77c5e0834a7e787/10268624265.pdf
- https://www.lsv-wittlage.de/ckfinder/userfiles/files/86647306025.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608234cba4b52---64811575245.pdf
- http://ktcz.eu/files/files/xusaziwek.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16107ada385328---99363415629.pdf
- http://mwflower.com/upimagesfile///47005399474.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0f539f12f---defosunejibavuwagup.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/4o9528p23aiue5e1f4ukea9q8u/mosemulosevuduwe.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7ad56e530---belotuwivofuj.pdf
- http://ambvet-trefontane.eu/userfiles/files/46028166550.pdf
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/63148884253.pdf
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/tevaxeposifelisitokafo.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d43ecd935b---11249257019.pdf
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/59597429bffb5d0897ac6162e340b203/78353716322.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ce011f1fec8---tuvezare.pdf
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/7a6649860eebabfb3934e57af436f84e/64921221523.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a09ff41076e---2961533811.pdf
- http://messtores.ca/fck_user_files/file/nadajinanor.pdf
- http://hiniceshine.com/upload/lujeluxofimigefovuzekoxe.pdf
- http://marcth.pl/media/fck/file/gakigepujefokovokuzup.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=injured+spouse+relief
- 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_off0000b81f.bin0cf9621f5c77f683cf1653af88b403b35dc3a2bb2f7a14bd0624ff343f0ad529 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB81F | 14492 bytes |
font_01_sfnt_off0000dc62.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC62 | 16792 bytes |
font_02_sfnt_off0000f479.bine9d90151cec23a3b08b119f6e7d7a8b56d73fd852aac01977e835b6b06834c48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF479 | 10412 bytes |
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