MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/aws?utm_term=windows+10+pro+student'. This URL is presented as a lure for 'Windows 10 pro student'. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the presence of a malicious URL indicates an attempt to redirect the user to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://cctraff.ru/aws?utm_term=windows+10+pro+student
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/dc01a708-33c2-4729-b955-c320987e2283/76056130646.pdf
- https://uploads.strikinglycdn.com/files/c74b44bf-9e45-46e3-9b1e-3a18dd932afe/kesoxobitufofaduzegen.pdf
- https://s3.amazonaws.com/zuxime/real_chess_3d_pc_game.pdf
- https://uploads.strikinglycdn.com/files/1a7fbcd1-5c0b-4fe4-bec2-6e7effdb97e2/78455818152.pdf
- https://uploads.strikinglycdn.com/files/b09a6025-ea50-40ae-bf56-dee0450f0ae3/95078290509.pdf
- https://s3.amazonaws.com/pululusodogi/anti_hero_characteristics_worksheet.pdf
- https://uploads.strikinglycdn.com/files/4fc6f87c-8f0f-4124-8de5-c42f9cc54e04/the_undomestic_goddess_movie_release_date.pdf
- https://s3.amazonaws.com/tuxenipup/fodiwusa.pdf
- https://uploads.strikinglycdn.com/files/1cf56b6c-1267-4d0e-9135-fb7f2f330d0d/desafujola.pdf
- https://uploads.strikinglycdn.com/files/a4c2aa3e-718b-4a91-a936-5627ee1ee92e/tasovimikolexosa.pdf
- https://s3.amazonaws.com/tuxutedi/pemojubowejerimavupigat.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c150.bin9b76bac2012e16261ad12c0ffa9784c059783e23c7be05efd7d8a41ebf109d1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC150 | 5008 bytes |
font_01_sfnt_off0000d28b.binc05f8e488e2c94c137ab754e4b13b941bb92f2caaff8762d64a9424933bebf34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD28B | 10760 bytes |
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