MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary heuristic indicates that the PDF is a malicious redirector, attempting to lure users to a malicious URL. The document body, though heavily obfuscated, contains the suspicious URL and references to other PDF documents, suggesting a link farm or SEO poisoning tactic.
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.me/wix?keyword=5+point+star+template
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/79e0dc_45ac106f9ad8484c8d739f896bf72159.pdf
- https://static.usrfiles.com/ugd/bcb9fd_75f57a0188044d0ea2be1dad3957fdf2.pdf
- https://static.usrfiles.com/ugd/f103bb_9b1ec88c67a74a6bb5d42cb1a17b7c44.pdf
- https://static.usrfiles.com/ugd/b8c837_454c95fd0a604b3882c7be149f681a3a.pdf
- https://static.usrfiles.com/ugd/3649d2_8a6d8ecdfdc74d3a9b20c0f3b5483b61.pdf
- https://static.usrfiles.com/ugd/b4609a_d478126da2384b1387e307acb4cd50eb.pdf
- https://static.usrfiles.com/ugd/c268f7_a841e22ccf334b09952aefb4661d8823.pdf
- https://static.usrfiles.com/ugd/ea9bdf_7f537a3c0fc648448e0f8a7cc9591d46.pdf
- https://static.usrfiles.com/ugd/90423f_fbbf2a4e8f5746268012a3a5a5433263.pdf
- https://static.usrfiles.com/ugd/3dd68e_3c0cdc308cf54214b03704e3d55dea04.pdf
- https://static.usrfiles.com/ugd/c63bf9_6460a5b1ca76453ebd490c63ab1c2c45.pdf
- https://static.usrfiles.com/ugd/bf0735_491a741e646943de88b97a744728ac07.pdf
- https://static.usrfiles.com/ugd/cc10e7_4941f00020da4f5699d4bcdfe1fd332b.pdf
- https://static.usrfiles.com/ugd/575363_2720d174143d4bd6a42ceaad20b64bbb.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_off0000522e.bin6a9f13c6caf49c24dc17a1890276c80ce16d9d1f44b7e69ec2a8ea197cfababf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x522E | 4996 bytes |
font_01_sfnt_off00006311.bin5adab70e2f03e8e2afc01eeeeda753a09006591c461527ccc9aec99250735746 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6311 | 9668 bytes |
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