MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains invisible links that redirect to a URL designed to mimic a CAPTCHA verification page, likely to harvest credentials. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Invisible PDF links to CAPTCHA-themed web lure high PDF_CAPTCHA_LINK_LUREPDF contains invisible clickable link annotations that point to a CAPTCHA/capcha-themed web path. This is a common phishing and ClickFix-style routing pattern: the PDF itself is inert, while the linked page performs the credential prompt or fake verification.
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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://dafemum.ru/123?utm_term=recaptcha+contact+form+7+wordpress
- https://static.s123-cdn-static.com/uploads/4383692/normal_60096938e6d1a.pdf
- https://bafipiwefewojex.weebly.com/uploads/1/3/4/5/134576197/wemobotekomik.pdf
- http://bonusiotsbera.online/fishman_sa220_manualpnzoe.pdf
- https://static.s123-cdn-static.com/uploads/4497658/normal_6008781ff3b8e.pdf
- https://tezubowaxax.weebly.com/uploads/1/3/4/6/134640868/1a060.pdf
- http://detonic-italy.website/whkf-dwhv_home_depotebxqo.pdf
- https://jivetigaforivuj.weebly.com/uploads/1/3/4/3/134350389/fibefesatidunele.pdf
- http://my-favshoph.online/do_electric_fences_work_on_huskiesmmhwx.pdf
- https://static.s123-cdn-static.com/uploads/4451352/normal_5fe554b8bb99b.pdf
- https://zakazorexan.weebly.com/uploads/1/3/1/4/131407051/zowizidip_genusepixij_xefowozaku.pdf
- http://blognews.top/how_to_maintain_mitsubishi_air_conditioner7k9p4.pdf
- http://zelopaqq.xyz/42278178289vvmqn.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/55c5e048-dff1-4a53-8832-d93208c5cbab/3608232345.pdf
- https://uploads.strikinglycdn.com/files/8d365bf1-a95e-4566-acef-22bea216d691/berger_reloading_manual.pdf
- https://s3.amazonaws.com/pojikovewijeja/pomekatuvelajesib.pdf
- https://s3.amazonaws.com/wupixufekijax/levupez.pdf
- https://s3.amazonaws.com/liguwubore/hounds_of_baskerville_movie_1959.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_off0000deca.bin9cc749b9479c5d645f9f7dd718245c86f46bf16dcd29d4391d8eaa62fd840c61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECA | 5540 bytes |
font_01_sfnt_off0000f19a.bin4499d80ac86800490e57321b90a76aabc89ed9336d9a13109266af3e74bff1ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF19A | 21932 bytes |
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