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 0.9995
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://trafffe.ru/123?utm_term=jesus+is+the+answer+sheet+music PDF link annotation
- https://cdn-cms.f-static.net/uploads/4453344/normal_5fbb7077ebdcf.pdfIn PDF document text
- https://kugodago.weebly.com/uploads/1/3/4/4/134491336/916016.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454541/normal_5faf008667f7f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455890/normal_5fea1d92a296a.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/fifomi/apple_insider_buying_guide.pdfIn PDF document text
- https://s3.amazonaws.com/rakabexozu/xuburitel.pdfIn PDF document text
- https://s3.amazonaws.com/pegebunov/cpns_belitung_timur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9aeaff65-dd58-433f-bf29-92c75eb7558e/wogosuk.pdfIn PDF document text
- https://s3.amazonaws.com/dabatisew/aarti_kunj_bihari_ki_girdhar_krishna_murari_ki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77a0bcfd-3609-4957-b5df-c3f5089a5f3f/faroluves.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_off0000dd0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD0C | 5088 bytes |
SHA-256: 38ba0a5596b0d4d341c9ade7c4d3b6cff3ed057767db6606dae9e57278a60322 |
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font_01_sfnt_off0000ee3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3C | 10448 bytes |
SHA-256: 7844346a5c79a0a462e9e4964ddf788bd8e5d6a0a3593a21a086af76de88a214 |
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