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/aws?utm_term=accelerated+reader+answers+for+books PDF link annotation
- https://kuvinonufero.weebly.com/uploads/1/3/4/3/134307364/wefoli.pdfIn PDF document text
- https://pupuzufasu.weebly.com/uploads/1/3/4/7/134759867/wexafaripu_nawid.pdfIn PDF document text
- https://sagoxanoku.weebly.com/uploads/1/3/4/3/134350044/tanokodi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366397/normal_5fa08ed7c81b7.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/mejigavukolu/anosmia_que_es.pdfIn PDF document text
- https://s3.amazonaws.com/bubodeliza/limpeza_21_dias_arcanjo_miguel.pdfIn PDF document text
- https://s3.amazonaws.com/wixamupelinere/rukelisawewo.pdfIn PDF document text
- https://s3.amazonaws.com/lopazura/tisifemimenadogukudati.pdfIn PDF document text
- https://s3.amazonaws.com/levumoduf/91060709006.pdfIn PDF document text
- https://s3.amazonaws.com/jesidofefe/26376086830.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_off0000c78b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC78B | 5300 bytes |
SHA-256: aea26440ff5c96296b7a3ac8ab70011a61c7632ce90f95255d7a183cb2362b6c |
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font_01_sfnt_off0000d9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B7 | 10408 bytes |
SHA-256: ff49761dc3d64af8a98248e64f2b7fe03dc6eabfe11b6d8e5faf8226770235ad |
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