MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a large number of external links, many hosted on Shopify, designed to appear as legitimate search results. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the same malicious URL and numerous other Shopify URLs, reinforcing the SEO link farm tactic. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/pify?keyword=search+for+pdf+files+only
- http://files.moorea-ucb.org/uploads/1/3/1/3/131379183/nesaninenam_pilosax_nanifujit.pdf
- http://files.colossalsportsent.com/uploads/1/3/1/3/131379111/b423519c4.pdf
- http://files.crossroads-university.com/uploads/1/3/2/3/132302716/433f9219080bc3e.pdf
- http://files.sirpapaivinen.com/uploads/1/3/1/3/131380480/8717728.pdf
- https://cdn.shopify.com/s/files/1/0431/1220/2389/files/kukasudanugulimodaxorovi.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5502/files/wokepedapim.pdf
- https://cdn.shopify.com/s/files/1/0435/8415/9903/files/john_deere_4310_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/21150030878.pdf
- https://cdn.shopify.com/s/files/1/0432/8180/9558/files/28533830325.pdf
- https://cdn.shopify.com/s/files/1/0432/3583/6072/files/77184763072.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80787326618.pdf
- https://cdn.shopify.com/s/files/1/0431/5653/7495/files/coarse_leather_farming.pdf
- https://cdn.shopify.com/s/files/1/0429/2529/3724/files/linda_goodman_s_sun_signs.pdf
- https://cdn.shopify.com/s/files/1/0431/9261/5073/files/58800755156.pdf
- https://cdn.shopify.com/s/files/1/0441/0490/8952/files/vuzaruwiteduxuzawegogekus.pdf
- https://cdn.shopify.com/s/files/1/0431/8714/2819/files/nujunudolizubumakav.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_off00006b54.binef049f064fbc067b8f7d81d6cf14d1cf5571d20d8c6b489914fdc0a220e4581f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B54 | 5448 bytes |
font_01_sfnt_off00007ddf.bin6077aa3c98e377394f0f171f8859c661b99c53bd83102ff91abd0a54da18c96b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DDF | 9976 bytes |
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