MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The embedded document body, though heavily obfuscated, contains the URL that triggered the malicious redirector heuristic. The primary malicious URL is https://ttraff.ru/wix?keyword=griffith%2527+s+bacterial+transformation+animation, which is likely used to redirect the user to a malicious site.
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=griffith%2527+s+bacterial+transformation+animation
- https://static.usrfiles.com/ugd/0d002d_7c8f85f434ab46059058f04f677f732f.pdf
- https://static.usrfiles.com/ugd/d5cf39_7879210c122a4cec8c856c8b1ebb179b.pdf
- https://static.usrfiles.com/ugd/0adedf_09de6ad1abf24bbdb724b3715c738985.pdf
- https://static.usrfiles.com/ugd/34e21e_3c4896bafe02456ab2b9c01781e49ab1.pdf
- https://cdn.shopify.com/s/files/1/0428/5333/5207/files/lol_auto_chess_cheat_sheet.pdf
- https://cdn.shopify.com/s/files/1/0431/8386/6018/files/vogozopi.pdf
- https://cdn.shopify.com/s/files/1/0439/8612/4958/files/koninilivuxutirafod.pdf
- https://static.usrfiles.com/ugd/b8c837_a24a88469b464640ac7ac70c9027dbc3.pdf
- https://static.usrfiles.com/ugd/d5415a_6738991deca04db6aeb2d599bad10cf7.pdf
- https://static.usrfiles.com/ugd/b8c837_727369acb38440cc9e82b2393f2d1ed3.pdf
- https://static.usrfiles.com/ugd/162fe6_e0a539e3447c42fcbcdc0f1c2acab37e.pdf
- https://static.usrfiles.com/ugd/b8c837_7c38f64e06c6438f9b7e65ccef2aafa4.pdf
- https://cdn.shopify.com/s/files/1/0431/0794/2549/files/disuxeruniruweravov.pdf
- https://cdn.shopify.com/s/files/1/0441/1283/8808/files/surowajaxinevirazur.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_off00007a23.binca20171aaa1749f3a794c23598328cfd2e9c96d7062a88ecb8ea5b5cb39745b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A23 | 5328 bytes |
font_01_sfnt_off00008c21.bin32ef0c1d4344352682deda3f42e510b25c0357fa6e1a9dfd5a9bd360c309241c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C21 | 10388 bytes |
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