MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier. It contains a large number of external links, with one suspicious URL pointing to 'vilenefex.ru'. The PDF structure suggests it's part of a link farm, likely intended to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://vilenefex.ru/strik?utm_term=ejercicios+de+inventarios+perpetuos+resueltos+con+iva
- https://vopesowe.weebly.com/uploads/1/3/4/6/134638419/mirovigalowuvo.pdf
- https://fuzakeraza.weebly.com/uploads/1/3/4/8/134848422/rovelo.pdf
- https://cdn-cms.f-static.net/uploads/4450154/normal_6036e2e25dee7.pdf
- https://vasigigu.weebly.com/uploads/1/3/4/6/134607878/c09fca7.pdf
- https://maduzoxunixeg.weebly.com/uploads/1/3/0/7/130775653/d3fe5259.pdf
- https://pilumana.weebly.com/uploads/1/3/2/6/132683063/luzowo.pdf
- https://cdn-cms.f-static.net/uploads/4489979/normal_60508cbd75708.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/3ad6c039-af46-44b7-8c03-afa170989dc9/74573711631.pdf
- https://uploads.strikinglycdn.com/files/3fca0364-cf73-4b38-83a2-58e50af2349c/what_are_the_types_of_text_structures.pdf
- https://uploads.strikinglycdn.com/files/dce80940-9d85-4698-9f89-66bbc8b71473/dubinozipufoxugus.pdf
- https://uploads.strikinglycdn.com/files/c867bc5f-e93a-48d5-9771-be1cd79b10a9/wutoboporeg.pdf
- https://uploads.strikinglycdn.com/files/86a57677-d5d5-41fd-a4c4-30b5f69272c5/how_to_read_walmart_receipt_codes.pdf
- https://uploads.strikinglycdn.com/files/ae082071-42ba-4019-b043-e77d47b5ee17/wheelocks_latin_workbook_answers.pdf
- https://uploads.strikinglycdn.com/files/b8df18f3-e936-41d9-9abf-5710e85470b5/53986535966.pdf
- https://uploads.strikinglycdn.com/files/6cc073ca-7972-4597-93b7-ac08382bc857/minn_kota_power_drive_ipilot.pdf
- https://uploads.strikinglycdn.com/files/1018cbac-a9e5-4e6a-b17c-48fd34242249/hp_envy_4500_e-all-in-one_printer_review.pdf
- https://uploads.strikinglycdn.com/files/217cd539-a825-4be6-8c84-ad5814117825/best_app_to_learn_guitar_licks.pdf
- https://uploads.strikinglycdn.com/files/2c7c8c13-3a17-4666-b839-6a8b906ea113/totumanaviwazurikeze.pdf
- https://uploads.strikinglycdn.com/files/75d56c89-b7a5-4792-8d3a-45d29bfadc69/97279290686.pdf
- https://uploads.strikinglycdn.com/files/03a533c2-d1ad-4b86-a3e4-90133db7f0b4/50619895886.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f421.bin89d0711a50a8fae6b20c5714bab2cd0c66884c40f1c42fb620aabf9803ff4e9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF421 | 5160 bytes |
font_01_sfnt_off000105cd.bin5fd8893e075568cc244c5a6c47a2f68ba264f3433ed12e77d76ad2f55831edf0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105CD | 11452 bytes |
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