Malicious PDF — malware analysis report

Static analysis result for SHA-256 eca0e8108d84d49c…

MALICIOUS

PDF

45.1 KB Created: 2020-08-30 11:06:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 914c1d47ea2ef5ba5b893a9bdeb12550 SHA-1: b63e2d4dbd0809c2f2e2297d7005c8ec0094c102 SHA-256: eca0e8108d84d49c8ed9c485cc28016c515592b6fabfaed4f42a8e39be670c4d
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to a URL that appears to be a lure for downloading media content. The document body also contains this URL and numerous other PDF links, suggesting a link farm designed to drive traffic to malicious infrastructure. The primary malicious URL is https://ttraff.ru/wix?keyword=lil+wayne+carter+2+download.

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.ru/wix?keyword=lil+wayne+carter+2+download
    • https://cdn.shopify.com/s/files/1/0431/3962/9218/files/mewotugulawijowujuzazu.pdf
    • https://cdn.shopify.com/s/files/1/0429/8909/3018/files/18984126039.pdf
    • https://cdn.shopify.com/s/files/1/0432/7945/0272/files/justice_a_reader_sandel.pdf
    • https://cdn.shopify.com/s/files/1/0433/3695/8106/files/sarugogenatazasuxe.pdf
    • https://cdn.shopify.com/s/files/1/0433/3905/5258/files/abnormal_behavior.pdf
    • https://static.usrfiles.com/ugd/ea78e0_3d05e45f25c04199b665f61c0c78b084.pdf
    • https://static.usrfiles.com/ugd/b8c837_60ba390690174b53b9191859c809e2a3.pdf
    • https://static.usrfiles.com/ugd/b8c837_31e591a6907047dc93217a5834b16001.pdf
    • https://static.usrfiles.com/ugd/b8c837_4a8e8b88ce3f42ecaa4fc7149577fd9a.pdf
    • https://static.usrfiles.com/ugd/b8c837_1ea06ee8763242819b6ad57a77c297b8.pdf
    • https://static.usrfiles.com/ugd/3b47cb_b06593d4af5a41a48beee9004872ae17.pdf
    • https://static.usrfiles.com/ugd/fd30ac_946cfaa4432949e8a9688892918d2639.pdf
    • https://cdn.shopify.com/s/files/1/0428/2767/7852/files/anabolisme_dan_katabolisme_protein.pdf
    • https://cdn.shopify.com/s/files/1/0437/9531/6896/files/xapakuguvipa.pdf
    • https://cdn.shopify.com/s/files/1/0436/0532/8034/files/37321317915.pdf
    • https://cdn.shopify.com/s/files/1/0430/5970/8058/files/6504199069.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_off00006859.bin
3bb17a8eff39045d4627683e79bf28a75e1faa2cde69ea313439e5cd6006dd5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6859 5024 bytes
font_01_sfnt_off0000798a.bin
9868e379add4da9161fd5b9678eba4ae746adfb0f94d551a47192a4f3f7917c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x798A 14820 bytes

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