Malware Insights
The PDF file was identified as malicious due to its extensive use of external links, a technique often employed for SEO manipulation or to distribute further malicious content. One critical heuristic flagged a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=dammit+guitar+tab'. The document body contains garbled text and metadata indicating it was generated by wkhtmltopdf, suggesting it's not a typical user-facing document but rather a programmatic construct. The large number of embedded links, many pointing to Shopify domains hosting PDF files, indicates a link farm or distribution network.
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/pify?keyword=dammit+guitar+tab
- http://files.patrickrheck.com/uploads/1/3/0/7/130776241/502ad.pdf
- http://files.charbeneaudesigns.com/uploads/1/3/0/8/130874254/33cee01305c769.pdf
- http://files.kevinbuecher.com/uploads/1/3/1/6/131637419/timexow.pdf
- http://files.katherinemichelmore.com/uploads/1/3/1/1/131163867/9891897.pdf
- http://files.frankm-arts.studio/uploads/1/3/2/6/132695881/jotoxonavusa.pdf
- https://cdn.shopify.com/s/files/1/0429/9603/9839/files/6887312100.pdf
- https://cdn.shopify.com/s/files/1/0428/3714/7811/files/sijapevebesajeda.pdf
- https://cdn.shopify.com/s/files/1/0435/4542/8122/files/61439631602.pdf
- https://cdn.shopify.com/s/files/1/0429/3872/8611/files/zawis.pdf
- https://cdn.shopify.com/s/files/1/0433/6402/4470/files/zesobexojotidi.pdf
- https://cdn.shopify.com/s/files/1/0433/3823/6062/files/semikur.pdf
- https://cdn.shopify.com/s/files/1/0431/5794/6522/files/zaduxugabulodi.pdf
- https://cdn.shopify.com/s/files/1/0431/8360/3876/files/60036315572.pdf
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/nesizesejigupu.pdf
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/29269588116.pdf
- https://cdn.shopify.com/s/files/1/0427/5834/0774/files/vatanixu.pdf
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/legends_mod_minecraft_1._7._10.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_off00004fb7.bin04ff0b8f9f39ef2babdc98f1415bbb2f8a6eefa556fe51947b5500553af54208 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FB7 | 4932 bytes |
font_01_sfnt_off00006070.binef4df91d73b1b6ec4a534b292434fb08e4734871c9a941e34955013a653d85e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6070 | 14156 bytes |
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