MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm designed to redirect users to potentially harmful sites. The heuristic 'PDF_SEO_LINK_FARM' indicates the presence of numerous external links, with one prominent example being 'https://dugedepap.ru/strik?utm_term=is+50+shades+of+grey+on+apple+tv'. While no scripts were explicitly extracted, the nature of the PDF and its embedded links suggests an attempt to exploit users through deceptive content, aligning with phishing or SEO-based malicious redirection tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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=is+50+shades+of+grey+on+apple+tv PDF link annotation
- https://cdn.sqhk.co/xovepejegosi/QKFe7jb/45820747760.pdfIn PDF document text
- https://cdn.sqhk.co/basinasedu/RcjiCCm/40760214630.pdfIn PDF document text
- https://cdn.sqhk.co/sewuvavimebi/cDXiigj/rigozuvejoxuzoto.pdfIn PDF document text
- https://cdn.sqhk.co/duzoxibuf/fjiig5s/77707059802.pdfIn PDF document text
- https://cdn.sqhk.co/dopiporajen/PNWgj0L/fuxoromeduzaligezuvep.pdfIn PDF document text
- https://cdn.sqhk.co/tosuwukiwate/usif2fl/42332904007.pdfIn PDF document text
- https://lipuriwos.weebly.com/uploads/1/3/5/3/135325722/favixuf.pdfIn PDF document text
- https://cdn.sqhk.co/jebozibiru/e2W9Whh/kotogavofowiv.pdfIn PDF document text
- http://lajodibibodi.getenjoyment.net/how_to_use_iphone_4s_as_webcam.pdfIn PDF document text
- https://cdn.sqhk.co/mufipofunup/gdYcRi8/96777631020.pdfIn PDF document text
- https://fujuzelos.weebly.com/uploads/1/3/1/3/131380065/8e2cee8c4f66e4.pdfIn PDF document text
- http://tejovotemikodes.getenjoyment.net/xepopokelugivavifubab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/02f0932e-be54-420e-a7c2-860aa951d84a/are_participation_trophies_a_good_idea.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8695bb3c-a596-467d-8f42-244ebea2f703/jetta_transmission_code_location.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a08e0737-2336-4077-9bdf-057bf1d3ffc4/what_is_the_main_point_of_the_sisyphus_myth.pdfIn PDF document text
- https://s3.amazonaws.com/bogeguva/32925827813.pdfIn PDF document text
- https://s3.amazonaws.com/kokesatodixon/sarabande_free_piano_sheet_music.pdfIn PDF document text
- http://lazuletezofik.onlinewebshop.net/before_the_flood_movie_discussion_worksheet_answers_key.pdfIn PDF document text
- http://doriponesarom.myartsonline.com/how_to_build_a_septic_tank_leach_field.pdfIn PDF document text
- https://s3.amazonaws.com/wozoxub/confirmation_letter_of_employment_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b996207-f09a-4fff-9a44-043bcac98c58/how_to.learn_photoshop.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013bdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BDB | 5408 bytes |
SHA-256: 4f35f1c9cbcf0b04a705aa61d90ece902e83dc46ffa23cd9f3012ca8538fc32a |
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font_01_sfnt_off00014e40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E40 | 11636 bytes |
SHA-256: 4015fd0d767fb965af1984806496ae0286396d0c5b3bea6e13c1bc9b6a25ea78 |
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font_02_sfnt_off000175bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x175BD | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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