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://traffnew.ru/123?utm_term=skype+random+chat PDF link annotation
- https://cdn-cms.f-static.net/uploads/4426814/normal_5fa362dcd82da.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419645/normal_5fa1173fc0aac.pdfIn PDF document text
- https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/puteker.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443809/normal_5fa6aecd35157.pdfIn PDF document text
- https://febukorev.weebly.com/uploads/1/3/4/3/134325382/soxezikiz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366964/normal_5f8981a8bda1a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389355/normal_5fb2a339c0cd0.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/lumixi/guide_post_brackets_for_boat_lift.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb055b65-6515-4ea7-ac8f-13d59557451e/safopuvaserusubigos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba96e9e7-1a88-4f19-abb9-6a185b1b2f34/83454496091.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1c8b5d4f-f6f0-4cae-85dd-2f3496e99ae7/lipugefib.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_off0000c2c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2C7 | 5372 bytes |
SHA-256: c51fb150a3a022a92caf87b13838d2f88b2b22db1dc28b3491d35a4b8acedd41 |
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font_01_sfnt_off0000d4f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F0 | 10536 bytes |
SHA-256: 4bbd478f82cebbe092c907f25a38439f56543bd1e045775f55d3089463791682 |
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