MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9989
Heuristics 5
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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 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://zajinet.ru/123?utm_term=laurentide+ice+sheet+flood PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369653/normal_6035a04d7cc2a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488809/normal_603f559039364.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393489/normal_6039ad8c67bd7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498997/normal_60334ecfd7750.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392861/normal_5fdb07e7487e5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446490/normal_6042239fb2d5c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454691/normal_603a910198172.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465151/normal_5fd620ac53c86.pdfIn PDF document text
- http://tisimewifexumi.iblogger.org/60405113075.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kovilowab/dazuma.pdfIn PDF document text
- https://ed7c5604-ec0f-4ae6-9d22-6d534b57d154.filesusr.com/ugd/1d5a3f_c3a7abde1daf40c1850893ba0aeb80c1.pdf?index=trueIn PDF document text
- http://faguvixin.rf.gd/20679369540.pdfIn PDF document text
- https://f395d2f2-f939-483b-815f-81062d4747ff.filesusr.com/ugd/be2697_db881cc068544482bc6a4de157bddbc1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dewazewokib/do_you_get_a_formula_sheet_on_the_sat_physics.pdfIn PDF document text
- https://8137cd1e-393d-4948-8193-eca935452849.filesusr.com/ugd/756799_b01608193c4c4c72bc8c9ab5bce1f191.pdf?index=trueIn PDF document text
- http://jenepopavuse.epizy.com/60283564558.pdfIn PDF document text
- https://48bf584d-d56c-45cf-b4f3-c1c05dce5274.filesusr.com/ugd/3f4b99_ec8d2825c3df40d99f2b48eab2d7bcb2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pogolo/67977572584.pdfIn PDF document text
- https://s3.amazonaws.com/mejigavukolu/fasodek.pdfIn PDF document text
- https://27dd58ca-3bab-4825-b0a2-cb75a9f796de.filesusr.com/ugd/aba4c5_7cacd0f3ad874435b21a64fe96cc090c.pdf?index=trueIn PDF document text
- http://bijamujijupife.epizy.com/days_of_the_week_coloring_worksheets.pdfIn PDF document text
- http://jikorali.rf.gd/english_grammar_worksheets_grade_6.pdfIn PDF document text
- http://birifamabaxum.rf.gd/xisilelilaroxifezobuku.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off000259a7.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x259A7 | 28788 bytes |
SHA-256: 39b6e9cde21aece79567bc416ac51cca3cf417efe5b8417bad4fc031c6c1451e |
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font_00_sfnt_off00021cb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21CB7 | 5052 bytes |
SHA-256: 41ff797b0efdd8f273d34570de6db109fd4a7eadaa9c43704a052ec8b3204fb0 |
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font_01_sfnt_off00022de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22DE0 | 13444 bytes |
SHA-256: 2137ee9d622be1b9ebe661bb912dacdaf7cbfd362d4c7131fb51a741ef55da9c |
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