MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious Link
T1566.002 Spearphishing Attachment
The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised as a solution to a common Windows error ('msvcp140.dll missing'). The document body, though heavily obfuscated, also contains this URL and numerous other links to PDFs hosted on static.usrfiles.com, suggesting a link farm or redirection strategy. The presence of a 'download button' heuristic further supports the lure-based attack pattern. No scripts were extracted, but the primary malicious activity appears to be the redirection to the malicious URL.
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.cc/wix?keyword=msvcp140.+dll+missing+windows+10
- https://static.usrfiles.com/ugd/b8c837_61a8fd9d557f4068bb5e783080b20db6.pdf
- https://static.usrfiles.com/ugd/cfbfd2_6cfc765151bf42d7bce8f5ae4b92baa2.pdf
- https://static.usrfiles.com/ugd/b8c837_42c352870c6d464aa2ba5c4fa26692ff.pdf
- https://static.usrfiles.com/ugd/1a89c8_7727055dcfdc40ebaa7b26b4576e9f76.pdf
- https://static.usrfiles.com/ugd/b8c837_8895a66aa5e94c0aa5629c65ffb013c7.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/wulufaw.pdf
- https://cdn.shopify.com/s/files/1/0433/7152/8344/files/best_video_caller_id_app_for_android.pdf
- https://cdn.shopify.com/s/files/1/0430/7494/5184/files/my_yahoo_login.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37263727017.pdf
- https://cdn.shopify.com/s/files/1/0431/7950/7872/files/35271363261.pdf
- https://cdn.shopify.com/s/files/1/0438/4600/8982/files/xegedireruvufavesagus.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/farur.pdf
- https://static.usrfiles.com/ugd/4cf28d_bc2f67f32cef44ffaa89ba4e129cabb2.pdf
- https://static.usrfiles.com/ugd/7dd30d_6b935b46309248eeb47f41ff64552097.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/
- https://cdn.shopify.com/s/files/1/0431/7950/787
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006510.bina85280df899d678dc5b08c8dd985a67d360aae9f501055a5bc1f4e2d99e5fb57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6510 | 5556 bytes |
font_01_sfnt_off00007820.bina512fb94c0f2b41819ec7a332481ee5be144bf4691620e215661bb99d37ddce0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7820 | 11084 bytes |
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