MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to suspicious or unknown domains, indicating a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains the URL https://cctraff.ru/aws?keyword=study+guide+4+accounting, which is flagged as a known malicious redirector. This suggests the PDF is part of a phishing or malware distribution campaign.
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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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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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?keyword=study+guide+4+accounting
- https://kolivobaka.weebly.com/uploads/1/3/4/5/134500933/tanaxewasiwudab_sudidiba.pdf
- https://zukezima.weebly.com/uploads/1/3/4/3/134345014/fabulobisukab.pdf
- https://cdn-cms.f-static.net/uploads/4370068/normal_5f92358d3f783.pdf
- https://cdn-cms.f-static.net/uploads/4410000/normal_5f9ea526b7503.pdf
- https://cdn-cms.f-static.net/uploads/4368741/normal_5f964399c0a8c.pdf
- https://cdn-cms.f-static.net/uploads/4369183/normal_5f8d430d1634c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/7655442f-b958-4fd6-bbdd-db264f1f386b/zuzapajufuz.pdf
- https://s3.amazonaws.com/vavale/vadewejijijekedu.pdf
- https://uploads.strikinglycdn.com/files/8b5aaedb-b13e-4533-af0a-1fec5e577d0c/44987230814.pdf
- https://uploads.strikinglycdn.com/files/b277c25f-b92a-4ba0-ac99-a0e6c3e6881d/6938424027.pdf
- https://s3.amazonaws.com/fizup/28590252250.pdf
- https://uploads.strikinglycdn.com/files/0f7b9d8d-4f79-4ba0-a0d9-274e7d88ab8a/21343451425.pdf
- https://uploads.strikinglycdn.com/files/1c8f5dd4-415a-4739-af99-4fb2612ad66d/badaje.pdf
- https://uploads.strikinglycdn.com/files/4fc88e74-0f37-4e42-96ca-e4aa7588e03f/fobefudadefudabibuji.pdf
- https://uploads.strikinglycdn.com/files/e399a4a8-927f-4f59-aac5-898095248ee6/dutukalox.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_off000060ee.bin7aafca6106d1df18ca89345b081e7b70b6844a1fadc3c6d2038238deadd824b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60EE | 5096 bytes |
font_01_sfnt_off0000726a.bin9daf5033259cd05063bfdc177adc921339fedf58884c906ad45b8aa176b55d19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x726A | 10288 bytes |
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