MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs, with the primary malicious URL being https://pelibifir.ru/strik. The document's structure and the presence of many links suggest it is designed to redirect users to potentially harmful websites, possibly for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://pelibifir.ru/strik?utm_term=etude+de+situation+educateur+sp%25C3%25A9cialis%25C3%25A9+exemple PDF link annotation
- https://cdn-cms.f-static.net/uploads/4490974/normal_600a1ff13a429.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386366/normal_6067df4132d5a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403565/normal_5fe30b43c2efb.pdfIn PDF document text
- http://gupupokuvugal.22web.org/fezamerinakaratokig.pdfIn PDF document text
- https://bipipabogudas.weebly.com/uploads/1/3/1/1/131164499/4070755.pdfIn PDF document text
- http://zobevewobuka.22web.org/clinical_pharmacy_services.pdfIn PDF document text
- https://kiziwovoxapi.weebly.com/uploads/1/3/4/6/134617524/9833354.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/c2792729-4311-44c2-affd-2fdfa8d5aa60/93762924041.pdfIn PDF document text
- http://momedeturus.epizy.com/batixobizobup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67f9dfcb-3a03-472a-92b3-94e07dc5c505/do_you_need_a_medical_card_to_have_a_cdl.pdfIn PDF document text
- https://s3.amazonaws.com/makumapikeze/toberoxakubazumosapalaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8285ecd-1991-4913-90d6-916776ed39bf/wiwilubonu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f50c350-9bc2-4691-8408-0340055807b9/95309349661.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02431e10-3012-4ea9-a2c2-69df6596eda5/xbox_360_wired_controller_driver_windows_7_64_bit.pdfIn PDF document text
- https://s3.amazonaws.com/minabiwa/besowelagomufakaxip.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87911986-7a58-44b2-8d17-656026f6d031/maze_runner_3_descargar_google_drive.pdfIn PDF document text
- http://matezule.rf.gd/classroom_rules_and_procedures_template.pdfIn PDF document text
- http://lilivuxaja.rf.gd/meruvibewipameri.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/25478846-3cc3-4bd0-8dc9-a43d99728781/which_country_has_the_most_developed_economy_in_africa.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_off0001004f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1004F | 5388 bytes |
SHA-256: da7a3ef2fdc009a7288aafa754849f6a0efd25211a09c131f62ff2cb46280612 |
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font_01_sfnt_off0001124c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124C | 12804 bytes |
SHA-256: 4366b5e8c5a369bc58e7bf9700bfd3dec86c43b9f24e6588217d6aa09d74fd11 |
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