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://zajinet.ru/123?utm_term=alkaline+food+chart+pdf PDF link annotation
- https://vilewojux.weebly.com/uploads/1/3/0/8/130874250/6048e4d.pdfIn PDF document text
- https://zuwuroxiver.weebly.com/uploads/1/3/1/0/131070979/0c3d249a7540.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452608/normal_5fd1c061539db.pdfIn PDF document text
- https://cdn.sqhk.co/pivokazi/A9jizgd/sirolimus_vs_tacrolimus_liver_transplant.pdfIn PDF document text
- https://sujarazigis.weebly.com/uploads/1/3/0/8/130813042/poxutiz_gebel_xojuzapan_wanolo.pdfIn PDF document text
- https://cdn.sqhk.co/roretuduva/eidK9Xr/64631190710.pdfIn PDF document text
- https://kotazuzufanimik.weebly.com/uploads/1/3/1/4/131438495/3360784.pdfIn PDF document text
- https://vixawesomuwevu.weebly.com/uploads/1/3/5/3/135387162/8b63144b5.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/kotodur/48768143566.pdfIn PDF document text
- https://s3.amazonaws.com/feseni/jinepigosad.pdfIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/14315583837.pdfIn PDF document text
- https://s3.amazonaws.com/seriposuj/duvudapu.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_off0000f1cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CF | 5116 bytes |
SHA-256: d5577c53b74fdde3422cc51f2390329bb98b8cab078c8253cb35f331d6cb5724 |
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font_01_sfnt_off00010333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10333 | 10652 bytes |
SHA-256: cdc2b6ea8f6379916662d03cf31c71e57f15f4af5a602556ad96fd7f09ed8f32 |
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