MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, disguised with a keyword related to software. The document body, though heavily obfuscated, also contains this URL and references to 'devexpress reporting latest version', suggesting a lure to trick users into clicking the malicious link. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector attack pattern.
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.cc/pify?keyword=devexpress+reporting+latest+version
- https://static.usrfiles.com/ugd/24deb6_50342ec362424a8eaf6391e9fd4825e6.pdf
- https://static.usrfiles.com/ugd/6260fe_932854df409440aea64e6ae9e83fc2ea.pdf
- https://static.usrfiles.com/ugd/8ba634_86a5f1e47ad74a6e923d06bcff93360a.pdf
- https://static.usrfiles.com/ugd/b8c837_79205009721042c7a088d05b4efaf80a.pdf
- https://static.usrfiles.com/ugd/e2c6c1_07d2fdb180304624aac2ceaeaaf28ac6.pdf
- https://static.usrfiles.com/ugd/7198c1_e8f4370e125549afa00b633391984fcd.pdf
- https://static.usrfiles.com/ugd/3649d2_322bbc49831044ff869668fd6655da18.pdf
- https://static.usrfiles.com/ugd/2e16aa_e673177a02f24c2b954f8e93ac2e4e6d.pdf
- https://static.usrfiles.com/ugd/934fc3_2e56765b94d649ef989204b7fc2bd3e7.pdf
- https://static.usrfiles.com/ugd/0e9fc2_03093717e19a4e6ab91ae64acaa14565.pdf
- https://static.usrfiles.com/ugd/a18aa6_d436829e64834d63aa4aae1cd023f91b.pdf
- https://static.usrfiles.com/ugd/b8c837_66e04090aa0b4d32b50ab3a6a798f051.pdf
- https://static.usrfiles.com/ugd/9c0842_667f7dc9429e4daca4ced7b01b076d31.pdf
- https://static.usrfiles.com/ugd/b8c837_53b723ca448249d7b193bc810be51e90.pdf
- https://static.usrfiles.com/ugd/1a89c8_3642157c0e3e43cf944da990758d41c9.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_off00004c4f.bin3b11425f2878bf0d7acf0b6356cc4863555a7f42bcae7a78d7ad87c3b112b95a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C4F | 5116 bytes |
font_01_sfnt_off00005dd7.bin209cc3896c880515597d61f46e1a5cd73c02372b8e46d34481698338391673fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD7 | 9860 bytes |
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