Malware Insights
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is further disguised by a 'visual studio redistributable' keyword. It also exhibits a PDF link farm heuristic, with numerous links pointing to Shopify domains, one of which is also present in the document body. The presence of a download button lure reinforces the social engineering aspect of this attack. The document body itself contains the malicious URL and several other PDF links, suggesting a delivery mechanism designed to trick users into downloading further malicious 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=visual+studio+redistributable
- http://files.lyc.ca/uploads/1/3/0/7/130739892/nigimevukubepus.pdf
- http://files.susancoffeylmt.com/uploads/1/3/2/6/132695306/mojezeladolew.pdf
- http://files.upwardfacinglife.com/uploads/1/3/1/4/131436971/velolerulamur_baxafijirun.pdf
- https://cdn.shopify.com/s/files/1/0430/7940/1634/files/kifokosezolibozizajes.pdf
- https://cdn.shopify.com/s/files/1/0434/6295/1077/files/tuwusilu.pdf
- https://cdn.shopify.com/s/files/1/0433/6674/4216/files/kugexapifojaj.pdf
- https://cdn.shopify.com/s/files/1/0434/2602/1527/files/wijatotegugataworotib.pdf
- https://cdn.shopify.com/s/files/1/0432/2040/2337/files/10194212191.pdf
- https://cdn.shopify.com/s/files/1/0429/1752/7715/files/75608042885.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/deved.pdf
- https://cdn.shopify.com/s/files/1/0434/4047/2229/files/13634889286.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/monazata.pdf
- https://cdn.shopify.com/s/files/1/0434/7881/0789/files/31605613628.pdf
- https://cdn.shopify.com/s/files/1/0432/5369/4626/files/pimetenimufar.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_off00005b8f.bin3ce615942f44a0fd54c47d39a1616a8abd4b4341befa302554c4612cf9f724cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B8F | 4924 bytes |
font_01_sfnt_off00006c55.bind7ce01c5bb42f107ee77496863fbbff2232d68ae2967015f1c051063115bef35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C55 | 9980 bytes |
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