Malware Insights
The PDF file contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.ru/wix?keyword=accounting+information+system+meaning, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to 'accounting information system meaning' and the authoring application 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The presence of numerous links, including those hosted on Shopify, indicates an attempt to create a link farm for SEO poisoning or to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=accounting+information+system+meaning
- https://cdn.shopify.com/s/files/1/0435/8035/8811/files/48967493302.pdf
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/60169234704.pdf
- https://cdn.shopify.com/s/files/1/0428/0591/9903/files/53125499324.pdf
- https://cdn.shopify.com/s/files/1/0433/9816/8727/files/kalodozaxoxolobapino.pdf
- https://cdn.shopify.com/s/files/1/0438/1510/8765/files/wogapeve.pdf
- https://cdn.shopify.com/s/files/1/0433/0412/4571/files/30485698990.pdf
- https://cdn.shopify.com/s/files/1/0429/9712/1178/files/chaa_study_guide_2015.pdf
- https://cdn.shopify.com/s/files/1/0457/5831/6700/files/high-_power_gaas_fet_amplifiers.pdf
- https://cdn.shopify.com/s/files/1/0433/6903/7974/files/73670146367.pdf
- https://static.usrfiles.com/ugd/269bb8_8daf03d1cf53460f9c3ce29e57a83491.pdf
- https://static.usrfiles.com/ugd/30e015_f98dad2351b54335b041ee3f74b910f9.pdf
- https://static.usrfiles.com/ugd/74c34a_21e8a0e5e1a547ae9822ce419ae064ef.pdf
- https://static.usrfiles.com/ugd/b8c837_7939f6dd75bb4f98a9d5adffb1a465b1.pdf
- https://static.usrfiles.com/ugd/ec0c41_8e33d893ecdc4d45a6c5b84e51a73d19.pdf
- https://static.usrfiles.com/ugd/01e791_fb81163ba58a4066a240ffaa2613dc7a.pdf
- https://static.usrfiles.com/ugd/4d6844_e10861b0520848e8ae8447cb18081a35.pdf
- https://static.usrfiles.com/ugd/4f270c_8518483f6026465a94d317c24564a71c.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_off00005d0f.bin70d5146f795eeca041e4967f519d1d0fb0495400c3b1380b3e546dc5dac6311e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D0F | 5260 bytes |
font_01_sfnt_off00006ee6.bin98b37902a698fe0020435798504606b8149f5a8777440e2d50bf2ceeb11fe710 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EE6 | 9548 bytes |
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