MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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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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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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://dugedepap.ru/strik?utm_term=what+is+the+structure+of+a+report+writing PDF link annotation
- https://cdn-cms.f-static.net/uploads/4384851/normal_606dd942f1c46.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404529/normal_605dcb3e83845.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489052/normal_5fe955b8b9fbc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459785/normal_601a08cb2c05f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379363/normal_60637bd47df3e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450140/normal_60436cb64b41e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379486/normal_5fce910a6396b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417049/normal_600ef5c7b058e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376857/normal_606e7bbd4f43a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a49a6154-edc8-4132-95a2-c7bb8d673fe9.filesusr.com/ugd/551169_a5bed97d431549c783fd597fc2c96be1.pdf?index=trueIn PDF document text
- https://35548484-ce42-4b18-9d9d-834326683263.filesusr.com/ugd/a221b6_3fae531b4d124ef786c641dc524a306b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pazovugal/1261800008.pdfIn PDF document text
- http://nedudab.epizy.com/85789531808.pdfIn PDF document text
- https://2a403a33-5f6e-4534-96f9-742aa7325afc.filesusr.com/ugd/d2da83_caafbf0256de4ff093441b2624823c0b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gewuwasi/14818228757.pdfIn PDF document text
- https://8316a071-1c81-4729-bbc9-bb84f51c1359.filesusr.com/ugd/b2ba6b_66c40e84a8ef48948f4b5d08f47828f2.pdf?index=trueIn PDF document text
- http://wotawegij.rf.gd/arihant_sample_paper_class_12_accountancy.pdfIn PDF document text
- https://s3.amazonaws.com/gekojulog/bukunofive.pdfIn PDF document text
- https://s3.amazonaws.com/zedudo/moxavoze.pdfIn PDF document text
- http://roxugotosaka.epizy.com/discourses_on_the_apostles_creed.pdfIn PDF document text
- http://sesunofopum.epizy.com/deadlock_in_dbms.pdfIn PDF document text
- https://945c5b1a-9feb-4a08-b72d-c905ca1b1520.filesusr.com/ugd/27135d_503bb30c563e41cc968b76363831ad40.pdf?index=trueIn PDF document text
- https://320f262d-053d-461a-9009-498fa3b044f5.filesusr.com/ugd/8e680a_c80caf4b183b42c98d5c8dd63d046b7b.pdf?index=trueIn PDF document text
- https://63d876aa-455f-4c41-9c38-50747f3e0b95.filesusr.com/ugd/a220d5_d52689318d88462fb9adeeade892c1a8.pdf?index=trueIn PDF document text
- http://buwufofu.epizy.com/40297233865.pdfIn 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_off0000efa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA3 | 5348 bytes |
SHA-256: ae55763efdbd0b8306f4b8c95189bad44a683d89b10c3fcb2cd505734e40b76b |
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font_01_sfnt_off000101f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F0 | 10252 bytes |
SHA-256: 8ae780d392507c694fcf0180ba5bf28cc250cdf68334e289e36a89d10ae9eb42 |
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