MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to known malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, contains the same URL and text suggesting a lure for exam papers. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a malicious link embedded within the document.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ggtraff.ru/strik?keyword=ibps+clerk+pre+2020+question+paper+pdf
- https://site-1036791.mozfiles.com/files/1036791/bizipasu.pdf
- https://site-1039446.mozfiles.com/files/1039446/fapakilelijuzulud.pdf
- https://site-1039991.mozfiles.com/files/1039991/41560488327.pdf
- https://site-1044515.mozfiles.com/files/1044515/46955632681.pdf
- https://site-1043445.mozfiles.com/files/1043445/zixogiwuxekamu.pdf
- http://files.myalmightyblog.com/uploads/1/3/0/7/130776486/489ddc0.pdf
- http://nemedivo.afrisekgroup.com/uploads/1/3/0/8/130814328/8f469.pdf
- http://wuzor.lilianholm.com/uploads/1/3/1/3/131381045/8421934.pdf
- http://sijem.lilcongames.com/uploads/1/3/1/0/131070786/pipenesiponuli.pdf
- http://wulajudis.lauralieben.com/uploads/1/3/0/7/130739964/rejimixoke.pdf
- http://files.richardsandersonphotography.co.uk/uploads/1/3/1/6/131637814/8184622.pdf
- http://files.lamarqueitaliangreyhounds.com/uploads/1/3/0/8/130873937/0d6050.pdf
- http://files.anjasinternationalworld.com/uploads/1/3/1/3/131379991/lotoxupe-zisej-wajulagovabaj-jerefutavob.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/879507d7-ef75-4ce9-b343-ffcf7dbcb916/63203523352.pdf
- https://uploads.strikinglycdn.com/files/1be841f7-4783-4f0b-86ff-d1b998d244a5/gizomotumefipojodizog.pdf
- https://uploads.strikinglycdn.com/files/872d4b3d-f0b7-4d88-9cc6-9be8838bd016/35562126506.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_off00005e76.bin34880a784ddd6c84d290d2edc449fed53432932444af7e504eb69c071469a20f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E76 | 5688 bytes |
font_01_sfnt_off000071cb.bin1a57b3df2f6041365bd81f618a712b50437cd204b9ecb6a4c22491d0749f50d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71CB | 9932 bytes |
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