MALICIOUS
154
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.ru, which is disguised as a free pattern download. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the same lure text and URLs. The presence of a large number of embedded links, as flagged by PDF_SEO_LINK_FARM, suggests a link farm or SEO poisoning attempt to drive traffic to malicious sites.
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=scroll+saw+patterns+free+3d
- https://static.usrfiles.com/ugd/7dd30d_6ed234f30c0d4b699d94f9ef17877850.pdf
- https://static.usrfiles.com/ugd/b8c837_73340e03bf734e0db3ff44b49dbedbd9.pdf
- https://static.usrfiles.com/ugd/ea78e0_8ef3379814ca4f3095f949f4dd51a065.pdf
- https://static.usrfiles.com/ugd/0df15e_2de30edf80a24dc78933b72fabecb097.pdf
- https://static.usrfiles.com/ugd/913720_cf4ba3b88acd4931a47d2d9a2b2fd7ae.pdf
- https://cdn.shopify.com/s/files/1/0431/4975/4519/files/benoka.pdf
- https://cdn.shopify.com/s/files/1/0440/9013/0584/files/multivariate_analysis_of_variance_manova.pdf
- https://cdn.shopify.com/s/files/1/0431/4136/5922/files/49895599290.pdf
- https://cdn.shopify.com/s/files/1/0432/5461/2123/files/81868714159.pdf
- https://cdn.shopify.com/s/files/1/0434/3798/1852/files/39223073690.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/75263091360.pdf
- https://cdn.shopify.com/s/files/1/0434/6085/3912/files/47481802770.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_off00006262.bin0887cbd87a41875c587d899643ed97278639d480a7886b125c5184dc600ddad0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6262 | 5508 bytes |
font_01_sfnt_off00007534.bin261f78869a0e37f719dbb13988b013c8a1419cb7ede694ab673d5d83caafd91e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7534 | 10892 bytes |
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