MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to known malicious redirector infrastructure, specifically a URL designed to look like a search result for a 'Pioneer avh-200bt owners manual'. The PDF also hosts a large number of external links, many of which are to PDFs hosted on CDN domains, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious.
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://ttraff.club/123?keyword=pioneer+avh-200bt+owners+manual In PDF document text
- https://cdn-cms.f-static.net/uploads/4369318/normal_5f88d78864d33.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366028/normal_5f9743c64de7c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366358/normal_5f9b3d4cb998b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417308/normal_5f9d372e1e889.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416151/normal_5f96ffea21953.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413362/normal_5f9692a469449.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0493/5286/7999/files/hi_school-love_on_trailer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ac09cc34-3abc-4051-94b9-1e9d226289c3/87328210711.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1b76a7f-a808-4761-ab0f-a115794e34b4/annamalai_movie_bgm_songs.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/cch_chuyn_file_sang_file_nh_online.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_off0000e1b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B3 | 5524 bytes |
SHA-256: 0766aa041d90fac8c3d7855349748528f702d548c88433d9519a6ba8745f73ec |
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font_01_sfnt_off0000f463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF463 | 11928 bytes |
SHA-256: 04a85aed7817cda9764b9c7171505381c1071c687eecebe9dbc8180091fc1e3b |
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