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 0.9978
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/123?keyword=offer+phase+ext PDF link annotation
- https://kifugezob.weebly.com/uploads/1/3/4/5/134529667/kilelilafosatesafoju.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369514/normal_5f8af6a864978.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381740/normal_5fa0b388971b1.pdfIn PDF document text
- https://rajaxamakato.weebly.com/uploads/1/3/2/3/132302926/nibelezamuzopexi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/54f4f498-9ad8-44a8-85cc-478257b58749/96531426257.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eeac4579-5a98-4b2b-b5a5-d6bb0d340702/40247607044.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ceca0349-35c0-468f-aaf5-3f3c4da00a16/weniwedopom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e04ddd4d-a5b1-410e-bd4d-c71cddb30169/lututemubibexegusudemu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a9d1d72-02f4-4018-b0c7-fca50048df66/house_of_blue_leaves_monologue.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC313 | 4576 bytes |
SHA-256: 910789b7e50c3ecfedcf56edb2a2b4cbdf436f22fc8e26c26ec334dc05ffaf40 |
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font_01_sfnt_off0000d2b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2B6 | 10368 bytes |
SHA-256: 674df0cdb69b81b1ffe71a4985d85ed02d15ebd07509bc0496010a97c8a1ae88 |
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font_02_sfnt_off0000f5f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F9 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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