Malware Insights
The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/wix?keyword=sokkanukku+vacha+sundariye+mp3+song'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external PDF links, with a significant portion hosted on 'static.usrfiles.com'. The presence of a visual download button lure further supports the malicious intent. The document body, though heavily obfuscated, contains the same malicious URL and benign-looking PDF links, suggesting a social engineering attempt to redirect users to harmful 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.ru/wix?keyword=sokkanukku+vacha+sundariye+mp3+song
- https://static.usrfiles.com/ugd/b8c837_fdfa90182a5d4bc28e25f13ed5d7ec77.pdf
- https://static.usrfiles.com/ugd/b8c837_185709679d1e45eab3aed5b0189d0104.pdf
- https://static.usrfiles.com/ugd/b8c837_bf5208196d7941bab4c767336e1eadb9.pdf
- https://static.usrfiles.com/ugd/b8c837_075b78366e3b4df1ba4a09d674a30a43.pdf
- https://static.usrfiles.com/ugd/b8c837_821e933222a64af9b7de43d3807d34f3.pdf
- https://static.usrfiles.com/ugd/b8c837_b4105a9085274f2aa15636327422548c.pdf
- https://static.usrfiles.com/ugd/b8c837_150f3557ebb9460486fd6a6afa461a1e.pdf
- https://static.usrfiles.com/ugd/b8c837_aecadd9cdb7045529b35631a50221f2e.pdf
- https://static.usrfiles.com/ugd/b8c837_d1388fc8b3d64c2992cb931b9f52fd4a.pdf
- https://cdn.shopify.com/s/files/1/0429/1310/4035/files/mexozego.pdf
- https://cdn.shopify.com/s/files/1/0428/4992/7327/files/certificate_template_word_no_border.pdf
- https://cdn.shopify.com/s/files/1/0429/1543/0553/files/directv_vizio_remote_code.pdf
- https://static.usrfiles.com/ugd/b8c837_3f497ba781d34cb5a5cacf40d1b91d67.pdf
- https://static.usrfiles.com/ugd/b8c837_eef65faab57c451da30947b4172d077f.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_off0000518e.bin320f62e43cf7ebab72498d288034c8ffa1933d5ccb89a587b329c9513aa10d8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x518E | 5948 bytes |
font_01_sfnt_off000065a9.bin50229efdfbab256184fc423fa3fa31d396c86fe5cc757912d34ff7aab3f082a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65A9 | 13692 bytes |
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