MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of external links, many pointing to other PDFs, suggesting a link farm or phishing infrastructure. One of the primary external URIs is trafffi.ru, which is likely part of this malicious network.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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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://trafffi.ru/strik?utm_term=curso+de+mariologia+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4414341/normal_5fad319cbaef7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376621/normal_5fadd00c01b1b.pdfIn PDF document text
- https://fopimakalegej.weebly.com/uploads/1/3/0/7/130738542/wojisazoki-turanipofodulob-libofixuza.pdfIn PDF document text
- https://xibedawik.weebly.com/uploads/1/3/4/5/134584063/f9ebf38.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392661/normal_5f9319b4d2d5c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446166/normal_5faebc280fff4.pdfIn PDF document text
- https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/772b57b182c6abc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/f3e28ecc-98ac-4cf1-b624-5299a81b6684/abbreviation_for_captain_police_rank.pdfIn PDF document text
- https://s3.amazonaws.com/gurowozenupifi/vaxur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d58e6f6-ca53-49f3-ac6e-4cb7625119c9/wamusupokuzijavasaxifoxun.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_off0000c651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC651 | 5268 bytes |
SHA-256: ca8ec1f114ce2e2f6328580daf49b00540eb15c2da38d49b9d90acab7e32ae62 |
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font_01_sfnt_off0000d81d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD81D | 12004 bytes |
SHA-256: c590b681044513b3879deec0bdb5aeeddfefc32f9fad83f1e336dcd8630f5b95 |
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