MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a tutorial for SolidWorks 2006. The ML classifier strongly indicated maliciousness, and the presence of numerous external PDF links, many pointing to static.usrfiles.com, suggests a link farm designed to obscure the ultimate destination. The primary malicious URL is https://ttraff.cc/wix?keyword=tutorial+solidworks+2006, which is likely used to redirect the user to a phishing or malware-hosting 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.cc/wix?keyword=tutorial+solidworks+2006
- https://static.usrfiles.com/ugd/b8c837_f2813e3612024092b46563c5f60a23ff.pdf
- https://static.usrfiles.com/ugd/b8c837_9ad48b43fafa4531af53524faa141fbf.pdf
- https://static.usrfiles.com/ugd/b8c837_bd9209b2fbef44e09aae2e30b827ad17.pdf
- https://static.usrfiles.com/ugd/eda9ba_b71eee7e3b1c416bbfb3f13ee10cc488.pdf
- https://static.usrfiles.com/ugd/b8c837_ed20c1791e7246ed816be19494ce6b07.pdf
- https://static.usrfiles.com/ugd/b8c837_1203834decad448b98ae5f210da8ec49.pdf
- https://static.usrfiles.com/ugd/2ca09c_167f039f535c4eeea27d609388e94a11.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4032/files/60193023602.pdf
- https://cdn.shopify.com/s/files/1/0428/6483/6764/files/godless_netflix_parents_guide.pdf
- https://static.usrfiles.com/ugd/f4de5e_83e426e9b5e7448189a2d6486587ca0c.pdf
- https://static.usrfiles.com/ugd/cac9e4_96658346fd2f4aad8e43bbf639b60d04.pdf
- https://static.usrfiles.com/ugd/b8c837_47848471d24d4d1694b130c3af5ca509.pdf
- https://static.usrfiles.com/ugd/b8c837_e32925c4c4944104ad021826a9565fad.pdf
- https://static.usrfiles.com/ugd/36f25b_72719a158fc947b4b97069e80c759eaf.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_off000072fa.bin3c1707e1ebdbcd9c1f7855be106f396a9d81e3b7438c12d59443bbff70a136b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72FA | 5352 bytes |
font_01_sfnt_off00008544.bin49ffa918d754a8607a1c7e28f2faec5af9dc40fa9738c0a0f81fd325b4952c13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8544 | 10484 bytes |
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