MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. This URL is presented within the document body, disguised as a link to a 'Twilight Saga illustrated guide pdf'. The PDF also exhibits characteristics of a link farm, with numerous external links, many of which point to 'static.usrfiles.com'. 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=twilight+saga+illustrated+guide+pdf
- https://static.usrfiles.com/ugd/b8c837_71bf78a1578d4de3b45a917ec929f602.pdf
- https://static.usrfiles.com/ugd/2f8cea_27f4d1a63d0f442f823370c0ff354933.pdf
- https://static.usrfiles.com/ugd/f65518_3ddc8c9d856f42fab1ea2ea7c581e9db.pdf
- https://static.usrfiles.com/ugd/b8c837_a46e307927524d7b918de77948ad4da4.pdf
- https://static.usrfiles.com/ugd/cec570_bb1494991d634ba99762942f88a695cc.pdf
- https://static.usrfiles.com/ugd/5de1df_2275a9724ca040089be5d5fc3f7f44e2.pdf
- https://static.usrfiles.com/ugd/bdeb4c_ac30717749e448aeb3dacdf58fae9866.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5569/files/84344666220.pdf
- https://cdn.shopify.com/s/files/1/0435/6951/2607/files/wenuwudonevozufonejubi.pdf
- https://cdn.shopify.com/s/files/1/0440/4012/6629/files/sexerifoxegakejizezi.pdf
- https://cdn.shopify.com/s/files/1/0433/9954/4984/files/zumologukadijuze.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/jobijaledatuximisufiru.pdf
- https://static.usrfiles.com/ugd/b8c837_165550fb41434e53b50c5e88d018a5fe.pdf
- https://static.usrfiles.com/ugd/8b2c09_303b8c507ebb4b88903cc464b533c5b8.pdf
- https://static.usrfiles.com/ugd/ea78e0_9eb08dd6e5734308b03d850202a2ec07.pdf
- https://static.usrfiles.com/ugd/b8c837_a8a50608357542c586ca6fb062044874.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_off00006536.binb0b42cc334e361f98707d44073e8d433d9a1d467591b5fe634b3bc44434da2db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6536 | 5344 bytes |
font_01_sfnt_off00007767.bin00b6345be266e61b4db4552dc5580da54b73ef64ec9d308f4acce011230811be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7767 | 10272 bytes |
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