MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing and SEO link farm attack. It contains a fake CAPTCHA prompt designed to deceive users into interacting with the document, likely to encourage clicks on embedded links. The document also features a large number of external links, many pointing to disposable hosting, which is a common tactic for SEO manipulation and distributing malicious content. The ML classifier strongly flagged this PDF as malicious, and ClamAV detected it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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://jacksth.ru/wix?keyword=advanced+pixel+apocalypse+3+paco PDF link annotation
- https://cdn.sqhk.co/numavagoko/49NRieE/casual_leave_format_hp.pdfIn PDF document text
- https://cdn.sqhk.co/kinanekoxo/gggiFEj/digital_marketing_plan_template_ppt.pdfIn PDF document text
- https://nujetamewude.weebly.com/uploads/1/3/4/8/134881912/gorawadupekavigaf.pdfIn PDF document text
- https://cdn.sqhk.co/waxolulum/f5AyhF7/42970210787.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445557/normal_60304e92b3dde.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481819/normal_6024f78039edd.pdfIn PDF document text
- https://cdn.sqhk.co/dadirowuj/hihe8gi/94862315361.pdfIn PDF document text
- https://cdn.sqhk.co/wusakituzu/jMRjfjj/56700405754.pdfIn PDF document text
- https://cdn.sqhk.co/vinogusi/hchgP3X/dejop.pdfIn PDF document text
- https://cdn.sqhk.co/wuravegaw/pzgijjb/repugob.pdfIn PDF document text
- https://cdn.sqhk.co/vavegewumur/hagfsQH/gedipobofukavasewezi.pdfIn PDF document text
- https://cdn.sqhk.co/kubemuzu/VnzJqgg/36799690603.pdfIn PDF document text
- https://nuwuzeparagagux.weebly.com/uploads/1/3/4/8/134883197/2171690.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464070/normal_6057090cc5f7d.pdfIn PDF document text
- http://dujojiwasemob.mywebcommunity.org/fevezu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487208/normal_5fe8742ac1d17.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://42190e62-4dca-482d-a077-ae7b222d7779.filesusr.com/ugd/b91392_e221449e60af44e3b27f37cab7013554.pdf?index=trueIn PDF document text
- https://058da8ce-bb30-4b8c-81eb-8903018cac65.filesusr.com/ugd/ab745b_2512238b5e7f474b97a5d7602a7f253c.pdf?index=trueIn PDF document text
- http://furipurisebete.onlinewebshop.net/sejupagewetezufinijamedog.pdfIn PDF document text
- https://1ceef7f3-d523-4f80-a0a4-3aed54d3d17a.filesusr.com/ugd/48841a_31ef0b6b5a474fccb2dc96ad732ca535.pdf?index=trueIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010f3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F3E | 5356 bytes |
SHA-256: 225eca610a94ea81b210b0b0fa846d8252b0ff3655ab94e0d056b997edbc3071 |
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font_01_sfnt_off0001219a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1219A | 14320 bytes |
SHA-256: 06646df80265a0919ab44e0a0591b7db5594adf25e7f4a4acfeb4aa5577717af |
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