MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous compromised WordPress sites, a common technique for distributing malicious content or phishing lures. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the structure suggests it's designed to redirect users through these compromised hosts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a3ac9cbb5518072540c1cb2735efc053/32431769330.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b82fd1469---57636039524.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b35a473db---delakifafiladomaw.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/0de5fe9c5a80a891452a03a7fdc17ef7/nemudokowoxagetabubi.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/94df3itrmc5ik2jl577dstii60/36393232888.pdf
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/594edd95bc7be850d2e58f16ef71c106/11583123633.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/2b7d452a3206bc5cce1f6c4f0a91126a/gurowalezawubi.pdf
- http://studiotecnicobonoli.com/userfiles/files/23548505567.pdf
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/69e89a9c8b98fbca9e0ef58a88579b1a/1967958084.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607891273ab37---53836428191.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/f546261218b9438c3fa534befbf67b22/jujiz.pdf
- https://eyetracking.pl/userfiles/file/mosorumesevetazisagomex.pdf
- http://amghanoi.com/images/ckeditor/files/13040047833.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160771062d1dbc---tezenukuduzede.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/551250013ba1c2b8d46432d91faefb08/46278519848.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb408470b2a---22162275191.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da5bba0fec---20542563745.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/lvsqdf8fckfsc112nr0hcr1sv0/tatavagoxakenuwobere.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090ffe81ddc8---86808393109.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/rv5bp8f0f6mn1iu8i7afjenr2q/42433461507.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ebcde99ba5---suvageserugowokebotavado.pdf
- http://vervesimuhub.com/userfiles/file/notomorudasamuvoxupa.pdf
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/7262e77c64bc780732952f5e3a72342f/16324779388.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c5c5a99e5---jonakaguxedu.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/e81gejnpsijt087o7mj4uibpo2/82729478221.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=marvel+movies+in+order+from+first+to+last
- http://e1pl2.nazwa.pl/busy/fotki/file/zivunenibunavigun.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_off00011151.bin20946d4ecb39afd4055fcc18c0a545e8d4fdbbd10ffd124f9588d48889e1886b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11151 | 10576 bytes |
font_01_sfnt_off0001296f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1296F | 16792 bytes |
font_02_sfnt_off00014181.binf23be6f7ce87ac0d2de8c1c96ba47de35297dbc9a188e43f321bf8081e0181a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14181 | 17736 bytes |
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