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 0.9994
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://trafftec.ru/strik?utm_term=college+algebra+dugopolski PDF link annotation
- https://cdn-cms.f-static.net/uploads/4412900/normal_5f97ae25e1923.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379844/normal_5f8e730c065c2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382201/normal_5f9b1c8a58c82.pdfIn PDF document text
- https://nimewoguvinu.weebly.com/uploads/1/3/4/4/134433183/potosawonefelatepob.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420905/normal_5f984825307ff.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/zevutebulaworel/vudoker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef64e3bb-8cae-4005-8ec6-d97c5806677d/ln40a550p3fxza_wont_turn_on.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/313569dd-9b0c-4a44-8171-cfb3dcbee689/smackdown_live_stream_tonight.pdfIn PDF document text
- https://s3.amazonaws.com/mamibis/64130036966.pdfIn PDF document text
- https://s3.amazonaws.com/zemigiduwagafu/tubuxipedojofoxunixepi.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_off0000ab26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB26 | 5236 bytes |
SHA-256: ed49930a3e41ea776da09b5803e9dd94ed494739c5124cb97ba2a6d15c6a9a7f |
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font_01_sfnt_off0000bcf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCF9 | 9728 bytes |
SHA-256: 824b460c0e793229d1f38ff80c60593432c629289a5c88d6037424819272095b |
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