MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains references to 'Roku ultra remote headphones not working', suggesting a phishing or scam lure. The presence of numerous external links, including one pointing to a URL that appears to be part of a link farm for SEO manipulation, further supports this. The primary malicious URL identified is https://pelibifir.ru/wix?keyword=roku+ultra+remote+headphones+not+working.
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://pelibifir.ru/wix?keyword=roku+ultra+remote+headphones+not+working
- https://cdn.sqhk.co/rizijuwet/gdicqjP/rushmore_mall_shooting.pdf
- https://cdn-cms.f-static.net/uploads/4428341/normal_60613730d8cbe.pdf
- https://cdn-cms.f-static.net/uploads/4387925/normal_601a596bc046a.pdf
- https://cdn-cms.f-static.net/uploads/4377112/normal_6026fadc4b0d0.pdf
- https://cdn.sqhk.co/dutaxato/O2emhiW/homemade_face_masks_for_acne_combination_skin.pdf
- https://tajamopem.weebly.com/uploads/1/3/4/7/134745730/8107925.pdf
- https://cdn-cms.f-static.net/uploads/4367944/normal_6044a0e1826d7.pdf
- https://fiwebafifike.weebly.com/uploads/1/3/4/8/134885554/26df0622bf4c13.pdf
- https://cdn-cms.f-static.net/uploads/4426270/normal_603b5bb18cf40.pdf
- https://static.s123-cdn-static.com/uploads/4494146/normal_6008a55cc4686.pdf
- https://cdn-cms.f-static.net/uploads/4472198/normal_60655446032ad.pdf
- https://static.s123-cdn-static.com/uploads/4485001/normal_6002565dd351d.pdf
- https://gikanirirexenad.weebly.com/uploads/1/3/0/7/130776133/zaxuti-mivabi-razibeku.pdf
- https://runolenasugu.weebly.com/uploads/1/3/4/7/134765044/84d622ad5c2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/5c5337ab-e572-48d4-a706-6670608a06ca/dragon_age_origins_prima_guide_free_download.pdf
- https://uploads.strikinglycdn.com/files/c61a7867-cd2e-427f-9a35-8752bfc8843d/nifobuvefewojegin.pdf
- https://uploads.strikinglycdn.com/files/8152bed2-d1a8-4348-b2ef-e74bae850722/54214543931.pdf
- https://uploads.strikinglycdn.com/files/df0c90e0-3dc9-44f8-8bc1-7384ddad78c3/33449173170.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec6a.bin0ad2a06480abb61a101f6b2f5d66364227df3d3bc6b1182493a56789c24f24eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6A | 5420 bytes |
font_01_sfnt_off0000fec5.bine21bfa3e0f8284411745b848a377ed0f7c0d9f8de8f9860e9c8cafb038096b0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC5 | 11652 bytes |
font_02_sfnt_off00012661.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12661 | 4324 bytes |
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