Malware Insights
The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=using+radio+buttons+in+html+form'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to PDFs hosted on cdn.shopify.com, suggesting an attempt to manipulate search engine results or distribute content. The document body also contains the lure text 'Using radio buttons in html form', reinforcing the social engineering aspect. The primary attack pattern involves tricking the user into clicking a malicious link under the guise of needing a browser extension or update to view content.
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=using+radio+buttons+in+html+form
- http://files.caringnannies.com/uploads/1/3/1/4/131408432/pujosi.pdf
- https://cdn.shopify.com/s/files/1/0433/9692/3555/files/debirevigokebasinipo.pdf
- https://cdn.shopify.com/s/files/1/0432/8233/3856/files/zadizevasoroz.pdf
- https://cdn.shopify.com/s/files/1/0435/3199/3242/files/14549858784.pdf
- https://cdn.shopify.com/s/files/1/0437/3017/4113/files/juxepuletofetim.pdf
- https://cdn.shopify.com/s/files/1/0430/3713/0914/files/xetubosil.pdf
- https://cdn.shopify.com/s/files/1/0436/7260/0729/files/37493584219.pdf
- https://cdn.shopify.com/s/files/1/0435/3762/9348/files/common_idioms.pdf
- https://cdn.shopify.com/s/files/1/0432/8521/7436/files/water_pollution_in_bengali_language.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/pneumatic_drilling_machine_working_principle.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/nufife.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2086/files/figosok.pdf
- https://cdn.shopify.com/s/files/1/0434/1491/3191/files/lezovokuketutabu.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_off000062b7.bind0e561dcceeaa6bfd0b5165650d51c9fd42c9b507efc025bf6bbacd2a13bdb17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B7 | 5452 bytes |
font_01_sfnt_off00007508.bin3046922a1f7560428fdb46ad407689714c6362ca930ee97b233c67f58db30220 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7508 | 14300 bytes |
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