MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious by multiple heuristics and a machine learning classifier, indicating a high likelihood of malicious intent. The presence of a 'SE_MFA_LURE' heuristic suggests the document is designed to trick users into providing multi-factor authentication details or one-time codes, likely to facilitate account takeover. The document also contains a large number of external links, many pointing to disposable hosting, which is characteristic of SEO link farms used to distribute malicious content or phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://druttle.ru/strik?utm_term=how+to+fill+out+a+credit+reference+form PDF link annotation
- https://cdn-cms.f-static.net/uploads/4426974/normal_6055060b96927.pdfIn PDF document text
- http://timelessdecorum.com/kotisififedadeluweleeh5i8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486354/normal_5fe23db085b6c.pdfIn PDF document text
- http://raisinshq.pro/kikonajx664p.pdfIn PDF document text
- http://fb-pageunderreview.com/55355871423409tx.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/mexavofezoxi/mogikexiperozat.pdfIn PDF document text
- http://jilovin.epizy.com/business_card_fonts_free.pdfIn PDF document text
- https://s3.amazonaws.com/leributafa/68864562687.pdfIn PDF document text
- https://c504e2ef-f928-4e80-b5b1-fc05046f432e.filesusr.com/ugd/247f25_473bbde787994c60b333ec8b579ef0af.pdf?index=trueIn PDF document text
- https://692937ca-140d-46b9-9715-018e108c1018.filesusr.com/ugd/2540a5_c490641a02b54691ac92b0e35ab153c6.pdf?index=trueIn PDF document text
- https://298c7861-702e-4dad-8e6b-798164301c36.filesusr.com/ugd/98adb1_233a6df981544d56b9fe367171c469b1.pdf?index=trueIn PDF document text
- https://39ad70c8-6a03-4de2-a89b-b0209cba5754.filesusr.com/ugd/d2759c_4afaefe0b42449c8951e009f8058e5dc.pdf?index=trueIn PDF document text
- https://c2093f15-f4fb-4bda-9582-db5404103fa6.filesusr.com/ugd/b28561_bff6e4c290654488bf7b1e8d2b08003d.pdf?index=trueIn PDF document text
- http://limixumijegaf.epizy.com/fagor_oven_user_guide.pdfIn PDF document text
- http://supipagaj.epizy.com/autocad_3d_modeling_notes.pdfIn PDF document text
- https://9f53eded-325d-4e02-8430-7c09bd872488.filesusr.com/ugd/e04405_b463fda9c3fc41af9ec637960282b72a.pdf?index=trueIn PDF document text
- http://xewaxal.epizy.com/computer_troubleshooting_beep_codes.pdfIn PDF document text
- https://s3.amazonaws.com/kaxukok/29962837350.pdfIn PDF document text
- https://s3.amazonaws.com/jexijer/tepopatofagajebexeji.pdfIn PDF document text
- https://2efabd41-1f95-43d0-8245-5f8eb9267247.filesusr.com/ugd/2f4ddf_9f244810a9a241d5ba8c2671b233c8f5.pdf?index=trueIn PDF document text
- http://jategemi.epizy.com/domisomigupef.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_off0000ea8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8B | 5044 bytes |
SHA-256: 7c01f8e4e7281a13c021e76d13ddcb606304b123f8d42fdabcd67d18c2796235 |
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font_01_sfnt_off0000fbaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBAF | 11016 bytes |
SHA-256: c707371cca75aa840384761d65a9cabefd4298856edf91d708d3ad12e2fc8f54 |
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