MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites, indicating a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document is designed to drive traffic to potentially malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/uuflm8u9cj3l74jp7934bqjpk1/23564156674.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/fiqvf9fpa5bl41903oh2umseae/rizetu.pdf
- http://brilliantsolarpaneling.com/userfiles/file/sixejedadosorazi.pdf
- http://assushop.com/userfiles/assushop.com/file/dexivikamilemosogab.pdf
- https://chrmglobal.com/userfiles/file/77203274451.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/ue0t3of1oikam1cbpdc3vkuclv/vuvomogo.pdf
- http://sns-russia.ru/userfiles/file/58244745858.pdf
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/rajisez.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/46d9f6a8523f564c8b004cbeec883136/69736964485.pdf
- http://wheatland1971.com/clients/25033/File/dunuvenumidexexetilikex.pdf
- http://brickform.cz/obrazky/files/zesejoxovirujuduwojazal.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e84cf4889b---59058085993.pdf
- http://studiovalecchi.it/userfiles/files/13516623005.pdf
- http://www.slenderclub.cz/ckfinder/userfiles/files/22557508952.pdf
- https://altonika.pro/files/fck/file/5482022353.pdf
- http://faw-asia.com/image/upload/files/52942118934.pdf
- http://indyskischool.com/ckfinder/userfiles/files/72480650260.pdf
- http://www.ciesol.com/ckfinder/userfiles/files/63414907115.pdf
- https://balajitutorial.com/admin/userfiles/file/gasodirezenovojikefodova.pdf
- http://karat-dobremiasto.pl/userfiles/file/bemuxebuxezolulisuxiw.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+turn+off+camera+on+lock+screen+android
- 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_off0000d3d6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3D6 | 16792 bytes |
font_01_sfnt_off0000ebed.bin05ab1c20d7c3a56714fa7f3042ff948405d5731d90c950d04fe4b0377c046867 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBED | 10904 bytes |
font_02_sfnt_off0001052b.bin8f62d1bbe3c3acd3fabfa67bbdcb44498de623063ac789c6cbac0f60759ba864 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052B | 16952 bytes |
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