MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links pointing to malicious redirector infrastructure, specifically 'https://yafferge.ru/strik?utm_term=what+does+civil+process+mean'. Heuristics indicate this is a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/strik?utm_term=what+does+civil+process+mean In PDF document text
- https://cdn-cms.f-static.net/uploads/4481272/normal_603d94971e973.pdfIn PDF document text
- http://e-devletodeme.net/monster_vision_reviews13e3g.pdfIn PDF document text
- http://triple-doska4.club/balika_badhu_odia_song_lyrics869tx.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451021/normal_5ffbf94cedef3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454543/normal_602feae15f29d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413007/normal_6017120dce6e7.pdfIn PDF document text
- http://tixshopclub.fun/grigori_grabovoi_methode_book71x76.pdfIn PDF document text
- http://goldalbum.ru/rokizinomijwyx03.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402718/normal_605466979d64c.pdfIn PDF document text
- http://dompodklyuch.com/what_is_12_48_in_its_simplest_form0co4i.pdfIn PDF document text
- http://9gusevshop.space/analysis_of_hydrogen_peroxide_lab_ap_chemistry_answersvyw3o.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9803da66-3085-4b5c-8c0f-ea48a74ba0c2/whats_the_purpose_of_transition_metals.pdfIn PDF document text
- https://s3.amazonaws.com/selivuvumepaveb/musufepepiwuvitorid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/144d4bd7-8eb1-4afc-a31b-7fb9fe189a84/the_merchant_of_venice_questions_and_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/90839ef0-52cb-4709-af67-ee45d21defe3/53799473406.pdfIn PDF document text
- https://s3.amazonaws.com/fukepez/vebusu.pdfIn PDF document text
- https://a1b876fd-e98f-4594-996d-fc523792ae9e.filesusr.com/ugd/efcbf0_7c6e3a1c123b4564957d133e0f1bb2b8.pdf?index=trueIn PDF document text
- https://4253c66a-660d-4c83-b31d-f715833d547b.filesusr.com/ugd/d9e9a0_7d2dfcad34304e70ae8e3ea1ed298315.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c0d76f0b-7fc2-4528-a03f-17ffa5db2725/66621345176.pdfIn PDF document text
- https://s3.amazonaws.com/sixenogafopoj/echo_dot_3rd_generation_user_guide.pdfIn PDF document text
- https://f3874c2d-c116-49c2-b7b6-9300dc8fc43e.filesusr.com/ugd/b11f6d_c16466178dc14959ad6ab07ef2cc5ac7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jazofi/19108615132.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8926770b-3984-492d-b5f0-0f4116f68f73/how_to_bypass_parental_controls_on_dsi_xl.pdfIn PDF document text
- https://s3.amazonaws.com/jolunenafobuw/fisutidagimekelon.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_off0000f343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF343 | 5388 bytes |
SHA-256: 5d97dda50d1ff2935d078ca8f42a546078d63945b4b78d35a73c2740c3eea193 |
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font_01_sfnt_off0001057d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057D | 11236 bytes |
SHA-256: 139e08645e0642b544ba1e4114e0c1ddd64eb876b61aea176fc9e8c3dc81d528 |
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