MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, suggesting it is part of a link farm designed to redirect users to malicious sites. The document body, though partially corrupted, suggests a lure related to 'Libro de fisica cuantica para principiantes pdf'. No scripts were extracted, but the presence of numerous external links points to a likely attack pattern of redirecting users to a compromised or malicious website.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://jumiwimov.ru/strik?utm_term=libro+de+fisica+cuantica+para+principiantes+pdf
- https://cdn.sqhk.co/zezerixuwab/lChh55t/15745592677.pdf
- https://cdn.sqhk.co/texivewa/hR9Xhj5/86136629690.pdf
- https://cdn-cms.f-static.net/uploads/4453743/normal_6028e2445820f.pdf
- https://vasefifux.weebly.com/uploads/1/3/1/3/131382239/zirawuzapu.pdf
- https://cdn-cms.f-static.net/uploads/4392441/normal_6023c64301cc7.pdf
- https://static.s123-cdn-static.com/uploads/4481161/normal_5fe1881b0e8f4.pdf
- https://cdn-cms.f-static.net/uploads/4479460/normal_602e38b892e90.pdf
- https://ledapenilodaro.weebly.com/uploads/1/3/1/0/131070651/1787178.pdf
- https://cdn-cms.f-static.net/uploads/4486368/normal_601886d3750d1.pdf
- https://bunupujitoj.weebly.com/uploads/1/3/4/0/134017728/gapaxalimuku.pdf
- https://cdn.sqhk.co/jejekije/nijvqPE/nuwuvabesasuv.pdf
- https://cdn-cms.f-static.net/uploads/4456166/normal_6027becc27e6d.pdf
- https://tiforunu.weebly.com/uploads/1/3/1/4/131437018/kifudina_vidawi.pdf
- https://static.s123-cdn-static.com/uploads/4403556/normal_5fdff1b13ab98.pdf
- https://cdn.sqhk.co/murajefovel/MhjhiiE/mcqueen_drift_cars_3_super_car_racer.pdf
- https://cdn-cms.f-static.net/uploads/4467936/normal_5fd10db6a53a8.pdf
- https://cdn.sqhk.co/sifajoxojif/hiST3dv/30085551798.pdf
- https://cdn.sqhk.co/sevigexew/hbsijkZ/tv_show_quiz_and_answers_uk.pdf
- https://cdn.sqhk.co/puwokiraf/ZhjjapF/cabinet_manual_rwanda.pdf
- https://feropozu.weebly.com/uploads/1/3/1/4/131454035/aeb9f6cda1af.pdf
- https://cdn-cms.f-static.net/uploads/4456378/normal_60325a6994f09.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_c3f3d734bc9243ff96b19bb685d25cac.pdf?index=true
- https://78bdfa25-736e-4945-a764-db21511aacb9.filesusr.com/ugd/9bd82e_539df7ae6f794e3a9b758359d255bf38.pdf?index=true
- https://feedbc21-cb93-402c-9ae2-3476589645d2.filesusr.com/ugd/f3ecbe_c167e16589144625bfabe0061b567b2a.pdf?index=true
- 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_off00011145.bin749bbffb81461e0478883687ea4d19bf44ad778cdf2191c88217232df41be633 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11145 | 5200 bytes |
font_01_sfnt_off00012306.bin19b201814ab070ce80c8f0ab8356991ff6fac36780531e21af10aae8a5a97c2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12306 | 12268 bytes |
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