MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://traffine.ru/123?utm_term=is+zero+a+positive+rational+number PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365624/normal_5f876036432a6.pdfIn PDF document text
- https://nimopiwezu.weebly.com/uploads/1/3/4/7/134700470/e21e2c7c2281e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455370/normal_5fd9deda9709b.pdfIn PDF document text
- https://juzajepilokak.weebly.com/uploads/1/3/4/6/134682244/247f33dbebc03.pdfIn PDF document text
- https://wevokowuluza.weebly.com/uploads/1/3/4/7/134739861/lekalurigezij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377116/normal_5fa0f0acd5aa0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487665/normal_5fda0721bdbc5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369630/normal_5f8f6d54a0abb.pdfIn PDF document text
- https://zujamabosav.weebly.com/uploads/1/3/4/3/134363941/godabu_pisakagugaxub.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/sevoga/fault_block_mountain_definition_earth_science.pdfIn PDF document text
- https://s3.amazonaws.com/nitidadufetenu/19430585244.pdfIn PDF document text
- https://static1.squarespace.com/static/5fdd379fff074777c983261b/t/5fddb10a91828d0f5d34d112/1608364309266/vaxusisekeruzofebu.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_off0000cda5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA5 | 5152 bytes |
SHA-256: 1a6ce073dad9739b8932d0e22086722e234926754638996b98eff90a269f74a1 |
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font_01_sfnt_off0000df1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF1F | 10652 bytes |
SHA-256: 38042e5ea554bcb62fa44de34865165c2fa31125628aef889094d1721d10fb85 |
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