MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, https://ttraff.ru/wix?keyword=polaris+rzr+800+repair+manual, is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to a 'Polaris rzr 800 repair manual' and also includes the malicious URL. The presence of numerous other links to PDF files hosted on various domains suggests a link farm or SEO poisoning tactic to distribute malicious content. 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=polaris+rzr+800+repair+manual
- https://static.usrfiles.com/ugd/6c032c_63bcf89e203c466a9023f182a174aa1a.pdf
- https://static.usrfiles.com/ugd/921909_de68d78d48b94649a43151145ec12f6a.pdf
- https://static.usrfiles.com/ugd/b8c837_87cbba97ed3043f890761bdf6991f9dd.pdf
- https://cdn.shopify.com/s/files/1/0438/0993/1426/files/70421772739.pdf
- https://cdn.shopify.com/s/files/1/0434/3398/4157/files/tokiv.pdf
- https://cdn.shopify.com/s/files/1/0431/8740/4968/files/vipokunevupizepuge.pdf
- https://cdn.shopify.com/s/files/1/0428/4874/7686/files/2012_mercedes_e350_bluetec_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/9899/5864/files/selewogapep.pdf
- https://cdn.shopify.com/s/files/1/0434/5865/8454/files/rotuninazilokake.pdf
- https://cdn.shopify.com/s/files/1/0431/0132/3420/files/12361911340.pdf
- https://cdn.shopify.com/s/files/1/0440/8619/8424/files/brisbane_times_good_food_guide_2018.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/14730414280.pdf
- https://cdn.shopify.com/s/files/1/0431/0866/3462/files/asme_14._5_standards.pdf
- https://cdn.shopify.com/s/files/1/0437/1238/1079/files/67020242407.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_off000047e9.bin0056b2d76beb308fbc6c242aceedef7814b3a2a9842074b377405b30bbe397de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47E9 | 5352 bytes |
font_01_sfnt_off000059ff.bin346e88c305b3c5a9bd140c70b2603722fb6224938e240ef92536599e3876becc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59FF | 8720 bytes |
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