MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a direct link to a known malicious redirector at 'https://ttraff.ru/wix?keyword=proteus+kullan%25C4%25B1m%25C4%25B1+pdf'. The ML classifier also strongly indicated maliciousness. The document body contains garbled text and the URLs, indicating the primary purpose is to lure users to external 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=proteus+kullan%25C4%25B1m%25C4%25B1+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/3929/3589/files/vomibazi.pdf
- https://cdn.shopify.com/s/files/1/0432/7420/7387/files/90835271551.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kenawuvotijogajutimev.pdf
- https://cdn.shopify.com/s/files/1/0460/7236/5220/files/7921185869.pdf
- https://static.usrfiles.com/ugd/ab922d_7a442d3f93a5404ab49e4329fd71ec61.pdf
- https://cdn.shopify.com/s/files/1/0430/7301/1863/files/department_of_justice_report_on_ferguson_police.pdf
- https://cdn.shopify.com/s/files/1/0432/7964/6878/files/69827653407.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/terevibe.pdf
- https://cdn.shopify.com/s/files/1/0427/7266/0390/files/57761358867.pdf
- https://cdn.shopify.com/s/files/1/0433/3119/0952/files/52551520729.pdf
- https://static.usrfiles.com/ugd/45e30f_cacbce34a0bd4918b317e6653023395d.pdf
- https://static.usrfiles.com/ugd/9b33c5_71d56aa34eb74fa68c720cea5bd23ac0.pdf
- https://static.usrfiles.com/ugd/c0fca2_4ba5d4c07d284f228b417fa2f316b06f.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ec8.bine36979ab4e63ae0dc6e8706ca41c0da341402f2adbe55f4fbcea829fe115a288 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EC8 | 5284 bytes |
font_01_sfnt_off000070ad.bine8616692b497b6fe9f244864212dc9d92919d53de0df821c4d996b9b42649647 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70AD | 17592 bytes |
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