Malware Insights
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=lightweight+pdf+reader+for+windows+xp'. This URL is presented within the document body, disguised as a download for a 'lightweight pdf reader for windows xp', which aligns with the 'SE_BROWSER_INSTALL_LURE' heuristic. The PDF also exhibits characteristics of an SEO link farm, with numerous embedded links, including one to 'cdn.shopify.com/s/files/1/0432/1027/7025/files/67500051009.pdf'. The primary attack vector appears to be social engineering, tricking the user into clicking the malicious link under the guise of a software update or utility.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.com/pify?keyword=lightweight+pdf+reader+for+windows+xp
- http://files.muskogeecountygenealogicalsociety.org/uploads/1/3/1/4/131437724/fofemuloreku-dajugu-vibokufato.pdf
- http://bafizob.wildwestrebels.com/uploads/1/3/0/7/130740514/1f76b.pdf
- http://files.thecbdjunction.com/uploads/1/3/0/7/130739475/297355.pdf
- https://cdn.shopify.com/s/files/1/0432/1027/7025/files/67500051009.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bepojarovizezeba.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/gobarosikumup.pdf
- https://cdn.shopify.com/s/files/1/0440/3858/6518/files/dovegapisu.pdf
- https://cdn.shopify.com/s/files/1/0438/5724/8421/files/jerawax.pdf
- https://cdn.shopify.com/s/files/1/0429/3532/0742/files/phpstorm_license_server.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fovurasavelibegesixaga.pdf
- https://cdn.shopify.com/s/files/1/0430/6809/6661/files/76486215981.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/garetixifap.pdf
- https://cdn.shopify.com/s/files/1/0429/7159/4911/files/26645847270.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_off00006cd1.bincbbab4075d478bde1dc4ad6cb2af1c0c5e0299b10d528ff20e1544d4dc7d19aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD1 | 5372 bytes |
font_01_sfnt_off00007f35.bindfdd2bc3157c2d69c98bf4b6c7ad49b566781a6794dca7d56d0601aea3cb7a2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F35 | 13496 bytes |
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