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 0.9998
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=worksheet+8.1+geometric+mean PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383327/normal_5f980aef4ae6a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379482/normal_5f9380fe21f15.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369313/normal_5fad73746e9dc.pdfIn PDF document text
- https://jetorijeroxu.weebly.com/uploads/1/3/4/6/134693882/solivaliporobo-bexani-kesifarapupez.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444115/normal_5fa3263b00b5d.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/jeworurowam/80543846341.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffdd8016-eae8-4442-a5fe-c5828819fae8/machine_design_5th_edition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31f25ef1-363a-4dc6-a181-75460a78868b/42007360888.pdfIn PDF document text
- https://s3.amazonaws.com/vuraradaso/latex_beamer_no.pdfIn PDF document text
- https://s3.amazonaws.com/welanisowari/43943003064.pdfIn PDF document text
- https://s3.amazonaws.com/mesixadelomomo/baby_cat_photos_free.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/pezogavefaki.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_off0000cf75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF75 | 5536 bytes |
SHA-256: 247b9abff19722c71b64dea30b8c9f3fa66193ff4bfa53ef72b55c28622a2073 |
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font_01_sfnt_off0000e242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE242 | 10584 bytes |
SHA-256: ea8620635f6db25f1e808529371ddd18ff71b3a293e147c5d9870688cae940f9 |
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