Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e4a97066860ba27…

MALICIOUS

PDF

42.1 KB Created: 2020-08-26 08:08:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a6dee98e76f53334680d58e6ce6472d SHA-1: 0414ff3234b94f06fed7629e34303b5df458d57c SHA-256: 2e4a97066860ba2748361682c00ae78c75d775054d584b40fae925f01305e349
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=devious+people+clothing'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous links to other PDF files hosted on Shopify. The embedded document body text is heavily obfuscated and appears to contain the malicious URL, suggesting the primary purpose is to redirect users to potentially harmful content or engage in SEO manipulation for malicious ends.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • Embedded URL info EMBEDDED_URL
    One 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=devious+people+clothing
    • http://sewurivi.marcyheidishbooks.com/uploads/1/3/1/0/131070702/mewazapagif.pdf
    • https://cdn.shopify.com/s/files/1/0433/9708/7390/files/tadukogufumukaxenaraxaded.pdf
    • https://cdn.shopify.com/s/files/1/0437/1903/2987/files/new_tom_meme_template.pdf
    • https://cdn.shopify.com/s/files/1/0429/9037/0975/files/17026841070.pdf
    • https://cdn.shopify.com/s/files/1/0434/4630/4933/files/jezofif.pdf
    • https://cdn.shopify.com/s/files/1/0434/8382/4294/files/luraxunugilusilav.pdf
    • https://cdn.shopify.com/s/files/1/0439/5650/2686/files/29466061760.pdf
    • https://cdn.shopify.com/s/files/1/0438/0445/9170/files/wusudogifalasibikeju.pdf
    • https://cdn.shopify.com/s/files/1/0433/0071/6694/files/76875219612.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.

FilenameKindSourceSize
font_00_sfnt_off000067f0.bin
13c1b9d5570ecfa99b04482b997f4e9f33d68204cd6b536c75343dbfa7f429e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67F0 4948 bytes
font_01_sfnt_off000078d8.bin
ca1298f3207bc51e90c3301953ca02a3a08c41149d3489b31eea22cae3a8df2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78D8 10352 bytes

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