MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a large number of external links, many pointing to other PDF files, suggesting a link farm or redirection mechanism. The embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' indicate an attempt to drive traffic to potentially malicious sites, likely for phishing or malware distribution.
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nipisod.ru/123?utm_term=el+conde+de+montecristo+pelicula+1975+ver
- http://grafoanaliz.ru/codycross_answers_group_53_puzzle_1qqzbk.pdf
- https://cdn-cms.f-static.net/uploads/4465397/normal_6009d2d9ec95f.pdf
- https://cdn-cms.f-static.net/uploads/4445889/normal_6023dc6d3c786.pdf
- https://static.s123-cdn-static.com/uploads/4403688/normal_60048fdfa7ccc.pdf
- https://static.s123-cdn-static.com/uploads/4379606/normal_5ff035fd57cfc.pdf
- https://static.s123-cdn-static.com/uploads/4389603/normal_5ff40a4145c08.pdf
- https://cdn-cms.f-static.net/uploads/4372072/normal_603917572ddbd.pdf
- http://microbladingcertificationdfw.org/xejaruwijagiromurilapukomppca7.pdf
- https://cdn-cms.f-static.net/uploads/4489028/normal_602470568101a.pdf
- https://cdn-cms.f-static.net/uploads/4495999/normal_600fa7431e5ca.pdf
- http://zelopaqq.xyz/74667986010fl7bh.pdf
- https://static.s123-cdn-static.com/uploads/4469355/normal_5fee69bd1b990.pdf
- https://mapivabivex.weebly.com/uploads/1/3/0/7/130776319/8367758.pdf
- http://opensalle.xyz/jikapaf7vwv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://bumunosusub.epizy.com/revugidazipefirujexutit.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_off0000f47e.bine3567eafeca4e63f9e5a8e663d2a76b7ddf8e1baef3fcafeefe61c202b5951bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47E | 5648 bytes |
font_01_sfnt_off000107b0.bin9ce6694cf9cd1cbc5e5fc75de01e8aa4c98fa79a291b38b56611f8d526eb9ebb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B0 | 12048 bytes |
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