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://trafficel.ru/123?utm_term=how+to+clean+piano+keys+made+of+ivory PDF link annotation
- https://static.s123-cdn-static.com/uploads/4496360/normal_5fc9692b731d5.pdfIn PDF document text
- https://fixogamirumi.weebly.com/uploads/1/3/4/7/134715439/tegejeled.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457857/normal_5fbf0c3a7b4ac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417045/normal_5f9c961579b66.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480149/normal_5fb34d63653f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392218/normal_5f9ad71ced679.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0d8fc0b6b03258f35503a/t/5fc414cdf81c9a2a0c21ea62/1606685901961/pottawattamie_county_courthouse_records.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/063134b5-85a7-4e79-b91a-a2fdbee5eb4d/nested_loops_python_one_line.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/365f29bf-816b-4bcc-988f-172a18bb78c3/98548165255.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc4fbdee5c7695ca9b5b589/t/5fc8e140a9f67830ca05f76f/1607000385142/free_woodworking_patterns.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_off0000cbfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBFD | 5580 bytes |
SHA-256: 4a2baf081c99eb230b5037adaa68717f679c93fb1a5445cab6bd1ebed2856452 |
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font_01_sfnt_off0000df02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF02 | 10148 bytes |
SHA-256: 51761cb38b8eb2a11f9ee1f97015dca46454b5fad3d12b6d8a93dd37b7d33dfc |
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