Malware Insights
The PDF contains a heuristic firing for a malicious redirector link pointing to ttraff.ru, which is a known malicious infrastructure. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to benign Shopify URLs but are likely part of a broader SEO poisoning or link farm strategy. The document body, though heavily obfuscated, contains the malicious URL. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may be instructing the user to open a password-protected archive, a common tactic to bypass gateway security. The primary malicious IOC is the redirector URL, which is likely used to serve a second-stage payload.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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/pify?keyword=apache2+disable+site
- http://files.amwellvalleyhounds.com/uploads/1/3/1/4/131406344/8120592.pdf
- http://files.wagner-heavymetal.com/uploads/1/3/1/8/131871745/sowijisezanizebo.pdf
- http://files.nzrallycars.co.nz/uploads/1/3/1/4/131452806/nodimenamobovifej.pdf
- http://files.nnft.ca/uploads/1/3/0/8/130813821/resuj_zofopudotapa_tiwofad.pdf
- https://cdn.shopify.com/s/files/1/0440/9176/8984/files/drake_to_much_mp3.pdf
- https://cdn.shopify.com/s/files/1/0430/5970/8058/files/31287503545.pdf
- https://cdn.shopify.com/s/files/1/0435/7550/9155/files/xetinonurawikuwifelupiru.pdf
- https://cdn.shopify.com/s/files/1/0432/3747/4472/files/25308616887.pdf
- https://cdn.shopify.com/s/files/1/0433/7372/3800/files/73261870964.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/60185574530.pdf
- https://cdn.shopify.com/s/files/1/0431/0633/6925/files/tinuxufavuwinajubami.pdf
- https://cdn.shopify.com/s/files/1/0429/3964/6108/files/87426174393.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/35281932931.pdf
- https://cdn.shopify.com/s/files/1/0432/7381/4182/files/bowflex_xlt_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/0643/5232/files/57851887967.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_off00008420.bine445c5c458149a1368e860c7677fce851b6418adbc55d5b8ec4fe8d832c7e953 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8420 | 5324 bytes |
font_01_sfnt_off00009636.binff2bc71cb7854f14a30e033b3e670d4b1835c125f83eb4bfd6e828fe5fc48fa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9636 | 15712 bytes |
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