Malware Insights
The PDF contains a large number of embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=%25D0%25BD%25D0%25B0%25D0%25B4%25D1%2583%25D1%2582%25D1%258C+%25D1%2588%25D0%25B0%25D1%2580%25D0%25B8%25D0%25BA%25D0%25B8+%25D0%25B3%25D0%25B5%25D0%25BB%25D0%25B8%25D0%25B5%25D0%25BC. This URL is likely used to obscure the final destination of the attack, which could be a phishing page or malware download. The presence of numerous other links, many hosted on Shopify, suggests a link farm or SEO poisoning technique to distribute the malicious 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=%25D0%25BD%25D0%25B0%25D0%25B4%25D1%2583%25D1%2582%25D1%258C+%25D1%2588%25D0%25B0%25D1%2580%25D0%25B8%25D0%25BA%25D0%25B8+%25D0%25B3%25D0%25B5%25D0%25BB%25D0%25B8%25D0%25B5%25D0%25BC
- http://lajos.fccbrownstown.com/uploads/1/3/1/0/131070161/netikozexidelejagu.pdf
- http://vojexijox.mrfluker.com/uploads/1/3/1/3/131379182/14b4add6551417.pdf
- http://kolabe.darvanderhoop.com/uploads/1/3/0/7/130739346/fopigamo.pdf
- https://cdn.shopify.com/s/files/1/0431/7816/4387/files/moluxalanojexowedonem.pdf
- https://cdn.shopify.com/s/files/1/0439/2953/4632/files/daxakubivegarawitu.pdf
- https://cdn.shopify.com/s/files/1/0439/9936/3222/files/kukisawovovewawi.pdf
- https://cdn.shopify.com/s/files/1/0432/6539/2804/files/26488541949.pdf
- https://cdn.shopify.com/s/files/1/0428/8030/3267/files/nopirubovi.pdf
- https://cdn.shopify.com/s/files/1/0429/7608/4117/files/animorphs_download.pdf
- https://cdn.shopify.com/s/files/1/0433/9141/8526/files/lagutorokororusuvur.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kubogofire.pdf
- https://cdn.shopify.com/s/files/1/0433/4728/0026/files/76808594398.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_off00005564.bin3ae3f89a86353a4d6708ddc7ddeaee0ae259469c398d198e025c3d490bd28669 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5564 | 5352 bytes |
font_01_sfnt_off00006785.bin2aea1997457127c8b679ef15c5e337981ffeb8cbe938e8e05d21e25a27d58a23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6785 | 16700 bytes |
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