Malware Insights
The PDF file contains a large number of embedded links, a common tactic for SEO poisoning or redirecting users to malicious sites. One of the primary links, 'https://ttraff.com/wix?keyword=tomato+toeic+speaking+++writing+flow+pdf', is flagged as a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'https://static.usrfiles.com/ugd/b8c837_757eb45f7b604307b38eaf564db98e1c.pdf' being the first in this farm. The presence of a 'Visual download / call-to-action button lure' heuristic further supports the idea that the document is designed to trick users into clicking malicious links.
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/wix?keyword=tomato+toeic+speaking+++writing+flow+pdf
- https://static.usrfiles.com/ugd/b8c837_757eb45f7b604307b38eaf564db98e1c.pdf
- https://static.usrfiles.com/ugd/e8506d_337e180f05fc4991ab6812d3f7d4ba0a.pdf
- https://static.usrfiles.com/ugd/b8c837_b71340a52ce44950926d405c7b26cc05.pdf
- https://static.usrfiles.com/ugd/23b571_3132d0febd8546d58866a53f03e2bc54.pdf
- https://cdn.shopify.com/s/files/1/0434/6694/8773/files/beechnut_apple_juice_scandal.pdf
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/feduwezugesafefadopoxam.pdf
- https://cdn.shopify.com/s/files/1/0428/9003/5366/files/rudram_tamil_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/43889090386.pdf
- https://cdn.shopify.com/s/files/1/0434/7179/8436/files/bavugudivedejarivuluva.pdf
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/96143037221.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/99956248808.pdf
- https://cdn.shopify.com/s/files/1/0432/0477/1999/files/47797699724.pdf
- https://cdn.shopify.com/s/files/1/0435/1836/1755/files/dasapu.pdf
- https://cdn.shopify.com/s/files/1/0431/0364/9954/files/luveraponado.pdf
- https://cdn.shopify.com/s/files/1/0430/9578/5629/files/44019762991.pdf
- https://cdn.shopify.com/s/files/1/0448/3697/8849/files/annabel_karmel_weaning_book.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_off00005896.bincc5f1ccb2692cf8fe4a333d886d720b70b2bb8ade97e18011ff430189800e0b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5896 | 5580 bytes |
font_01_sfnt_off00006b8d.bin7c45826f48990f6e28b49a4c4bb1ace73442e08a74af3cee3ae9aab16c41189d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B8D | 10244 bytes |
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