MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to 'ttraff.com' which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Left 4 dead walkthrough' and the malicious URL, suggesting a lure to a malicious site. The presence of numerous external PDF links further indicates a link farm or redirection strategy.
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.com/wix?keyword=left+4+dead+walkthrough
- https://static.usrfiles.com/ugd/dad90e_7e1efd230e494f0fba43c7c346fecb9e.pdf
- https://static.usrfiles.com/ugd/5be868_167d5de530c741bd8a375bc4cb633389.pdf
- https://static.usrfiles.com/ugd/314c35_b496dfbc110b4bd5a8762d495fb47b9e.pdf
- https://static.usrfiles.com/ugd/856cea_6ffc047754a14d7397180e15b3e12798.pdf
- https://static.usrfiles.com/ugd/726ec9_7af24d74841e4b1ea2309e1e4bc109fd.pdf
- https://static.usrfiles.com/ugd/1d64af_4294c0a1bf7c4c3e96141394d612a83c.pdf
- https://static.usrfiles.com/ugd/dad90e_f49cf0baf45e4ef085cb0bed8c5cb856.pdf
- https://static.usrfiles.com/ugd/98857b_5f1de098fee942a682b4a6f8b14cd205.pdf
- https://static.usrfiles.com/ugd/0779a3_46d944ad69ab43b58097c6f404471fb9.pdf
- https://static.usrfiles.com/ugd/61f964_e5df70fa37b641309e4c3e126b907544.pdf
- https://static.usrfiles.com/ugd/c1de29_2d4c6a6fc30642038ad390e00e0b0ef6.pdf
- https://static.usrfiles.com/ugd/b8c837_ffdba306e8c349b2bb3b062d0249fb7e.pdf
- https://static.usrfiles.com/ugd/b8c837_019096de12f24e95a47cbc0fdde67012.pdf
- https://static.usrfiles.com/ugd/29c71c_9021f131e8774c04a2a1cfcb354c9b92.pdf
- https://static.usrfiles.com/ugd/b8c837_73d44f7e83164624909aa3b40919c01f.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_off0000988f.bine19fc7eb9aed4fc2911f831553911ce41cbd93911f1fe3de5950ad01788f8a57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x988F | 5176 bytes |
font_01_sfnt_off0000aa47.bina7ee0b268a9a65b6b23fd937c768c238f2487ab1dfa92c8918c20e7c66a37b8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA47 | 10500 bytes |
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