MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
T1059.007 JavaScript
This PDF document exhibits characteristics of a phishing lure, specifically employing a browser extension or update installation pretext to deceive users. The presence of numerous external links, many pointing to disposable hosting, suggests a link farm designed to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to download and execute a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://golowaki.ru/strik?utm_term=ace+stream+player+free+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4414353/normal_60524e4e4ba56.pdfIn PDF document text
- https://dudakodut.weebly.com/uploads/1/3/4/4/134497067/pujazegedu.pdfIn PDF document text
- https://xuwulusepe.weebly.com/uploads/1/3/5/3/135310973/lozinubidifeg.pdfIn PDF document text
- https://divugukapo.weebly.com/uploads/1/3/4/7/134706398/guwiminijuloz.pdfIn PDF document text
- https://wupupuredizuso.weebly.com/uploads/1/3/4/8/134894828/078a8a5e8df12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482849/normal_603e1a85b8bd7.pdfIn PDF document text
- https://wukarogokemek.weebly.com/uploads/1/3/0/7/130739107/rusivuko_puxavatebe_dibowo.pdfIn PDF document text
- https://pusixeraz.weebly.com/uploads/1/3/2/6/132681440/9f96a0552.pdfIn PDF document text
- https://rikolalevagamer.weebly.com/uploads/1/3/1/1/131164452/momekaponazi-xizumif.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4428062/normal_5fe17f5413507.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422912/normal_5feb31de405a9.pdfIn PDF document text
- https://sozeberanula.weebly.com/uploads/1/3/4/7/134774269/2825032.pdfIn PDF document text
- https://vigasobokaj.weebly.com/uploads/1/3/4/6/134619364/sidogebazelobub.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/b7c463e2-3ee4-4aa3-9c83-24b603f0aec1/54378904397.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/874d842e-57a1-42e8-8598-848f2580bf5f/home_health_care_nutrition_specialists.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38d122eb-8545-4893-94b0-87822c94af1b/toyota_camry_le_2018_seat_covers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2ad92ed6-4f65-4e67-8d57-dd232d5dc9f7/in_cold_blood_truman_capote_chapter_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a74dc66-0923-4992-93a7-01eea6effc46/why_is_my_epson_wireless_printer_not_printing.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_off0000ea21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA21 | 5484 bytes |
SHA-256: 94b3651cf991f8e4c13b2beafaa77a58b39afbcfec43341d0119c2db338fe366 |
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font_01_sfnt_off0000fcd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD0 | 12212 bytes |
SHA-256: df3718b16f66e3919fe6b28fca87989725109808047478244d15fa52cfe5c5a4 |
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