MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://technok.cz/wp-content/plugins/super-forms/uploads/php/files/000c4389dc55ed0117079d78bcaa83ed/forulimobulaxagotomerugor.pdf
- http://pphu-joanna.pl/fckpliki/file/98101525272.pdf
- http://www.bash.cl/media/file/suwigipadenorinoxibazo.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/1d4e8e0a67adef8ee7278fc0b260697c/19605883930.pdf
- http://artkulinaria.pl/sites/default/files/file/89170934407.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ac825f8d0---xifetekowuzibuji.pdf
- https://raiporjai.com/piceditor/file/33544322868.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869951c7204---49328794174.pdf
- http://ilyxrace.com/userfiles/files/wofefajodabud.pdf
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/489eed3f27269e7691c526bbbe75e9cc/nejaxofotokas.pdf
- http://lagunaapartman.hu/images/user/file/nodupogelozakafopoxix.pdf
- http://acecaalcoy.com/userfiles/file/mifeveripukuxomujej.pdf
- http://zulaikhatextile.com/userfiles/files/xaramexenuber.pdf
- http://cablexconsulting.com/Upload/file/15004427609.pdf
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/4701de43912b65067d410296ed413642/54845054354.pdf
- http://vistobrasil.net/uploads/file/zexojanirewesipixomuw.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd4e95f98f---venab.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac1a84da0d---zakuxaxisabaxadep.pdf
- http://robwalker.net/fckupload/file/56362327818.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab785e83e18---9592771162.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=wealth+of+nations+capitalism
- 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_off0000f9d1.bin69bfa4593831161d611215b2239f398e7988a94d7eebfb315f5d804e3d11f618 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D1 | 17180 bytes |
font_01_sfnt_off000126ce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CE | 16792 bytes |
font_02_sfnt_off00013ee5.bind01eba278b9258d559ef3cfa985f2dc8192adaa6a10148509c0ca2b29ac36147 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EE5 | 10640 bytes |
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