MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector infrastructure, specifically `https://ttraff.club/wix?keyword=android+wear+os+emulator`. This indicates a phishing or social engineering attempt to lure users to a malicious site. The presence of a large number of external PDF links, many pointing to `static.usrfiles.com`, suggests a link farm or SEO poisoning technique to improve search engine ranking for malicious content. The ML classifier also 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/wix?keyword=android+wear+os+emulator
- https://static.usrfiles.com/ugd/87a178_bb9ca08811eb4c5e99d6778724d50667.pdf
- https://static.usrfiles.com/ugd/7f16bd_e9e44a44f50240afaf9d7c4379b86d38.pdf
- https://static.usrfiles.com/ugd/764aaa_baa992162ccd4f2096c7c0bb307205e7.pdf
- https://static.usrfiles.com/ugd/c3548c_4d5d7c4bbb7448c48319da1e6fad949c.pdf
- https://static.usrfiles.com/ugd/2b3f46_b599b3d2899443afa4b8c3bf05bbc905.pdf
- https://cdn.shopify.com/s/files/1/0440/2659/3445/files/hp_patwari_question_paper_with_answer.pdf
- https://cdn.shopify.com/s/files/1/0434/0393/5911/files/rixexaraxemonemexix.pdf
- https://cdn.shopify.com/s/files/1/0431/2432/6564/files/how_to_pair_corsair_void_pro_wireless.pdf
- https://static.usrfiles.com/ugd/b8c837_a8de0b5250514b5fb7de2c281ec5ba82.pdf
- https://static.usrfiles.com/ugd/b8c837_9b7fd98a56984821900bff5466b75b4a.pdf
- https://static.usrfiles.com/ugd/34e21e_a573931821dd4c98a751f77d5967b362.pdf
- https://static.usrfiles.com/ugd/7f46b5_dce440f548444496bbc77f0957804c6b.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062c7.binf86de1b2b9943c9c2604edea5b47701d064efa0a9bed355875409a38c6268edf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C7 | 5052 bytes |
font_01_sfnt_off000073ea.bin737772e064bf992c197795821c522b12cf6840cd302557630646713a0845c212 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73EA | 12768 bytes |
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