MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the embedded links and the detection as a trojan indicate a likely intent to deliver a malicious payload or lead users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://envomask.com/wp-content/plugins/super-forms/uploads/php/files/f95c314f7b3ec9e4fd57729cb19c96a6/mogexitiderimud.pdf In PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/ragodarajiji.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160a68c6e5644f---zukinoxipogosudusedusopo.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a0f5c9c9d---79355174536.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e4864f489---11659682456.pdfIn PDF document text
- http://allycatering.com/userfiles/68815869972.pdfIn PDF document text
- http://pytextiles.com/userfiles/file/pudavijosutabawewufux.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609849f04c948---birosogibozobagumavubanur.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/0jle0k7qtf4p36cqem07mhofbb/fesamigeganatikonuram.pdfIn PDF document text
- https://damiel.eu/userfiles/file/40844797805.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/abjf32rickiab0ncfit12nbek7/40930592814.pdfIn PDF document text
- http://maslag.eu/userfiles/file/93392554471.pdfIn PDF document text
- https://safrano.pl/userfiles/file/27871621065.pdfIn PDF document text
- http://sevoir.hu/uploads/file/momafuvotudozaripararej.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/zuxipabixagijofux.pdfIn PDF document text
- https://medtek.vn/storage/file/52651647089.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609181d03b83d---jebed.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/84405519946.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/7c7960ea71fb22ff87206ac7818278eb/41200152530.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608831f9613f7---13702094908.pdfIn PDF document text
- http://georgekoldun.com/var/upload/file/tamifikovogatapetavajixu.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/2a192e3af4d5dbb4352fb88d9a2642ed/34683475011.pdfIn PDF document text
- http://sam-global.info/files/file/libabudegovadidelapepuve.pdfIn PDF document text
- http://nanoscopy.ru/uploads/files/7829486163.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/b866d19023c8a4cd2f9efc0edc5e265a/gewepu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=an+example+of+a+continuous+variablePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AE | 11032 bytes |
SHA-256: 59b14fec7e1d6e26a753274e8f44580cd3ee1d3ca7c7b2d72354ffdc8d1e1d47 |
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font_01_sfnt_off0000fd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11542 | 18580 bytes |
SHA-256: 03e9637b0444ad8018982bfbe1dca2929552643d3eb4aac2ccf4b2ea85cb4ac6 |
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