MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=static+and+kinetic+friction+lab+analysis+answers'. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on Shopify and other domains, suggesting a link farm or redirection strategy. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful content.
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/pify?keyword=static+and+kinetic+friction+lab+analysis+answers
- http://xigabi.uintahonline.com/uploads/1/3/1/6/131606289/bileg.pdf
- http://files.one9apparel.com/uploads/1/3/1/4/131438567/6953505.pdf
- http://files.absolutepartydjs.com/uploads/1/3/0/8/130874394/4c5a51f48b20.pdf
- http://files.philiprodrigues.com/uploads/1/3/1/8/131856352/6875076.pdf
- https://cdn.shopify.com/s/files/1/0434/8837/9032/files/rabolupogijowejo.pdf
- https://cdn.shopify.com/s/files/1/0427/7082/5382/files/beat_it_up_remix.pdf
- https://cdn.shopify.com/s/files/1/0430/6970/2306/files/86635433817.pdf
- https://cdn.shopify.com/s/files/1/0438/4066/7810/files/vaxubisokenabozuzivafalu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67257536452.pdf
- https://cdn.shopify.com/s/files/1/0431/6859/6117/files/91362811258.pdf
- https://cdn.shopify.com/s/files/1/0431/3638/5175/files/bully_dog_bdx_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/0642/6275/files/vuzewubuvide.pdf
- https://cdn.shopify.com/s/files/1/0429/0789/3919/files/77432511705.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_off00005acd.bin9f3ae9fe227be2c5c6bd8aac198a4f04ed0248dc3222d44e42d462bdaaf26544 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ACD | 5516 bytes |
font_01_sfnt_off00006da0.bin43e3fa8a7e0e671b97b9ba5a96916d4d83b47cd0b0692caa151e955dcd77bc52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DA0 | 10184 bytes |
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