Malware Insights
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=phr+sphr+study+guide+pdf'. The document body, though heavily obfuscated, appears to contain text related to a 'Phr sphr study guide pdf', suggesting a social engineering lure. The PDF also contains a large number of external links, many pointing to Shopify domains, which is indicative of a link farm. The 'SE_BROWSER_INSTALL_LURE' heuristic further supports the social engineering aspect, implying the document encourages the user to install something to view content, likely leading to malware or credential theft.
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.ru/pify?keyword=phr+sphr+study+guide+pdf
- http://files.seedsofhopefdn.org/uploads/1/3/0/8/130814056/786851.pdf
- http://files.bitsofbytes.co.uk/uploads/1/3/1/4/131483445/2119739.pdf
- http://files.edinburghcorporate7s.com/uploads/1/3/2/7/132741397/7d02e.pdf
- https://cdn.shopify.com/s/files/1/0435/4726/3131/files/17072625231.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/ruwolalutevud.pdf
- https://cdn.shopify.com/s/files/1/0435/2458/7674/files/lojaranumosazefuxu.pdf
- https://cdn.shopify.com/s/files/1/0435/5643/8165/files/13533724992.pdf
- https://cdn.shopify.com/s/files/1/0431/8868/2916/files/viwosibupapojotoliv.pdf
- https://cdn.shopify.com/s/files/1/0429/4295/5676/files/random_art_prompt_generator.pdf
- https://cdn.shopify.com/s/files/1/0433/8325/9301/files/96417129653.pdf
- https://cdn.shopify.com/s/files/1/0431/2943/8370/files/56093611992.pdf
- https://cdn.shopify.com/s/files/1/0434/5567/6580/files/14075765691.pdf
- https://cdn.shopify.com/s/files/1/0439/3720/2344/files/python_sum_function.pdf
- https://cdn.shopify.com/s/files/1/0431/9834/9471/files/fumew.pdf
- https://cdn.shopify.com/s/files/1/0427/5005/0460/files/gubagi.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_off000094f9.binf82238fe8876d2bffcf47f9d2cccdb5df0d1f520c879a45d22b2903fa795344c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94F9 | 5164 bytes |
font_01_sfnt_off0000a694.bin84a83126e5fbe99145bd74a405f819635b1729d6185a1c2b7b2a4ef02210ecc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA694 | 11008 bytes |
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