Malware Insights
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. It also exhibits a PDF link farm, with numerous links to external PDFs hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and several other PDF URLs, some of which are hosted on suspicious domains. The presence of a 'download button' heuristic further supports the lure-based attack pattern. The primary IOC is the redirector URL, which is likely used to funnel victims to 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=english+english+tamil+dictionary+pdf+free+download
- http://files.lowerarkplanjm.com/uploads/1/3/0/7/130775413/5c0d2e2c2.pdf
- http://files.lwcmusic.org/uploads/1/3/1/3/131398022/wozijapusup_vijabotumi.pdf
- http://files.nativetales.com/uploads/1/3/0/7/130775942/b90bae542e.pdf
- http://files.issosf.com/uploads/1/3/0/8/130813768/gepisefuwen_dilugipiruwa_nopotum.pdf
- https://cdn.shopify.com/s/files/1/0435/2468/5975/files/muwix.pdf
- https://cdn.shopify.com/s/files/1/0434/6380/3040/files/pakulobag.pdf
- https://cdn.shopify.com/s/files/1/0431/2737/3981/files/61882761837.pdf
- https://cdn.shopify.com/s/files/1/0434/3214/9148/files/76846859549.pdf
- https://cdn.shopify.com/s/files/1/0441/3263/0680/files/94754024821.pdf
- https://cdn.shopify.com/s/files/1/0438/4748/3552/files/buximijijutewazamu.pdf
- https://cdn.shopify.com/s/files/1/0428/1548/8163/files/totapivoxujivezufuxesawis.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78476378890.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdf
- https://cdn.shopify.com/s/files/1/0434/0177/3212/files/baldor_download.pdf
- https://cdn.shopify.com/s/files/1/0428/2882/4742/files/calendario_sep_2020_y_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52209678420.pdf
- https://cdn.shopify.com/s/files/1/0429/6871/1321/files/meek_mill_mp3_download_skull.pdf
- https://cdn.shopify.com/s/files/1/0431/1557/7504/files/nebivigibiza.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_off000058b4.bin2a5b4846757a8bd66e37a2e76b255e0f9d8b7c2b585632e3e4e0185ce71d1961 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58B4 | 5720 bytes |
font_01_sfnt_off00006c0f.binc1c38002eac648326f3b49489c78969a884e92abf37197dd5da7747238653748 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C0F | 10380 bytes |
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