Malware Insights
The PDF contains a large number of embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating redirection to malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'classifying triangles answers' and references wkhtmltopdf, suggesting a lure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=practice+b+classifying+triangles+answers, which is likely used to redirect users to a malicious site. The presence of numerous PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content.
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.cc/pify?keyword=practice+b+classifying+triangles+answers
- http://files.eringipfordfreelance.com/uploads/1/3/0/8/130814397/7576839.pdf
- http://bumojiril.sietinternational.org/uploads/1/3/0/7/130739456/xodexifez.pdf
- http://files.spaceschool.ca/uploads/1/3/0/7/130739982/ginux.pdf
- http://files.templeemanuellongbeach.com/uploads/1/3/0/7/130776081/doburetodijab-jorul-zebute-basizimiw.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3447/files/sezafakeged.pdf
- https://cdn.shopify.com/s/files/1/0462/6887/4903/files/80528857832.pdf
- https://cdn.shopify.com/s/files/1/0429/4692/0615/files/48686704063.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/vudekaji.pdf
- https://cdn.shopify.com/s/files/1/0431/6643/3429/files/bijenoforenukevutuzabuma.pdf
- https://cdn.shopify.com/s/files/1/0435/6544/9371/files/mejifobo.pdf
- https://cdn.shopify.com/s/files/1/0437/7106/8577/files/begalisukoxolinen.pdf
- https://cdn.shopify.com/s/files/1/0430/7920/5013/files/bisod.pdf
- https://cdn.shopify.com/s/files/1/0428/8266/2553/files/nibenivugudatemirunove.pdf
- https://cdn.shopify.com/s/files/1/0432/1935/3767/files/john_deere_345_parts.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006457.bin574544b27a3e7bf7176178552dbbf7103cb1255e033d553c8af5db897559c9aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6457 | 5060 bytes |
font_01_sfnt_off000075a2.bineabccf7b1bf6bf1e0fea78ee85e3881f3dcd9fbc6b58daa254fbd2ce74d1c5db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75A2 | 10436 bytes |
font_02_sfnt_off00009953.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9953 | 4324 bytes |
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