MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, appears to be a lure for '3d chess free for windows 8'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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://trafffe.ru/aws?utm_term=3d+chess+free++for+windows+8 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380209/normal_5fb5d3a679b08.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415950/normal_5f9a444f5583b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/09a2902a-6f88-4476-abd9-8533720fff04/zatisazekewetuwonebeje.pdfIn PDF document text
- https://s3.amazonaws.com/tuxenipup/unit_3_geography_challenge_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c198518-9fc5-4316-8cb3-1bd2e33b44d5/vakowozonalakazezebabazej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33aa2894-c059-4850-812a-c6adfc290104/mulog.pdfIn PDF document text
- https://s3.amazonaws.com/tigovatolis/google_sheets_desktop_site.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8afb0b3a-0d66-4fb6-ae89-981123738b93/goviwe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ec2e8f0-3142-4618-b6a2-7b40bf2d2b24/47220417296.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbb025ad-3c74-46e5-8eda-61daae509358/doduvigusalubutusozotofo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3710f844-3937-4214-9acf-dbed08d4628a/sample_letter_to_remove_board_member.pdfIn PDF document text
- https://s3.amazonaws.com/mibiwivanetuj/30284587794.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_off0000c289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC289 | 5224 bytes |
SHA-256: ef65522c96aea9928ccff70c5b7569c214d2f2b99d12c27472e2d76b52c347d3 |
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font_01_sfnt_off0000d461.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD461 | 10448 bytes |
SHA-256: ded9ee38020386a9dd58e8e4de1dfbc9508d40cd4fa1eec0cf97bc5cca84f80c |
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