MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://ttraff.ru/wix?keyword=dise%25C3%25B1o+y+conformacion+de+moldes'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The presence of numerous other PDF links, flagged as a link farm, further supports a malicious intent to redirect users. No scripts were extracted, but the ML classifier strongly indicates maliciousness.
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.ru/wix?keyword=dise%25C3%25B1o+y+conformacion+de+moldes
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_20e9b76d67f040d0ae4bcbbd3b4ace65.pdf
- https://static.usrfiles.com/ugd/b8c837_033de887905148569c3e85de2ab17e19.pdf
- https://static.usrfiles.com/ugd/f3ecbe_648250f8f04c418daeb57a32bc101694.pdf
- https://cdn.shopify.com/s/files/1/0437/2620/9175/files/set_up_local_host.pdf
- https://cdn.shopify.com/s/files/1/0437/9652/9313/files/arithmetic_sequence_examples_with_solutions.pdf
- https://static.usrfiles.com/ugd/b8c837_580575a57c014bba9314d1ad3098713d.pdf
- https://static.usrfiles.com/ugd/8cbfce_666b88fbedb248febe17aef759e2da76.pdf
- https://static.usrfiles.com/ugd/48d9a1_e1262b800d5e4cfcbeae10e284b8e85e.pdf
- https://cdn.shopify.com/s/files/1/0431/8085/1364/files/castle_clash_mod_apk_1._6._4.pdf
- https://cdn.shopify.com/s/files/1/0461/8833/1161/files/6th_grade_level_reading_comprehensio.pdf
- https://cdn.shopify.com/s/files/1/0429/1526/6723/files/mapa_oceania_fisico.pdf
- https://cdn.shopify.com/s/files/1/0437/7142/9016/files/apologize_piano_sheet_music_easy.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_off000069d7.bin596f2abf76c4605ceaadd6c3de01fee45d4a5c6b09dd757e61e9d28ff5eadf82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69D7 | 5480 bytes |
font_01_sfnt_off00007c22.binbdc5a126ea32d0840cea6dd155680a995bc5f12746b70f75858f38291591419b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C22 | 11384 bytes |
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