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 0.9506
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=woodcock+johnson+iv+subtests PDF link annotation
- https://vidojibirulon.weebly.com/uploads/1/3/1/0/131070792/bba0b.pdfIn PDF document text
- https://jugurapofan.weebly.com/uploads/1/3/4/3/134339640/0f7e827b54cf47.pdfIn PDF document text
- https://xedatuvigino.weebly.com/uploads/1/3/4/5/134580066/dd75599abe6b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/07797270-27b3-48a7-9779-cf9bcacc2511/felice_fawn_age.pdfIn PDF document text
- https://s3.amazonaws.com/jinabisura/degarenutetedotese.pdfIn PDF document text
- https://s3.amazonaws.com/leguvefu/43243819148.pdfIn PDF document text
- https://s3.amazonaws.com/memul/nekazijanikidi.pdfIn PDF document text
- https://s3.amazonaws.com/pesetufavo/level_of_academic_performance_of_working_students.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017aea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17AEA | 4924 bytes |
SHA-256: 082d3f8b3d5055c6893d15680528fa13a1978aba7a50020c441b918ff71f7a16 |
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font_01_sfnt_off00018bb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18BB7 | 14692 bytes |
SHA-256: e86d08f316a45aaf5d1c8f074b4e81483960b984880fdfcb4b4cb6a381cf7227 |
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font_02_sfnt_off0001b963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B963 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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