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 0.9996
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=course+2+chapter+9+probability+worksheet+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367951/normal_5f893219365ec.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386335/normal_5fb889976abfc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449185/normal_5fbdb8e81c7dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484805/normal_5fb4a969dcc7b.pdfIn PDF document text
- https://bupigesow.weebly.com/uploads/1/3/4/3/134360728/a4865ebe8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482020/normal_5fae86fd3110a.pdfIn PDF document text
- https://kalulexo.weebly.com/uploads/1/3/4/6/134661683/zedisu-zoxumere-xanipal-midir.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491412/normal_5faf048bda309.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369768/normal_5fbdee2081498.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388842/normal_5f9313ff8f6de.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off000103d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D9 | 5612 bytes |
SHA-256: 7e39a2ce3124ce9c2dd81fafb56cf095120525f2583fc516b06cc38328eae6ff |
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font_01_sfnt_off000116f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F3 | 11228 bytes |
SHA-256: 0e76a0dbe71ded10239e262dd1be8ef36b14ddfd163482181de66fd8fbc0541d |
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