Malicious PDF — malware analysis report

Static analysis result for SHA-256 34774ffd177b8947…

MALICIOUS

PDF

34.0 KB Created: 2020-08-02 03:59:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d00aed5d651d4762cbf97f927c8e636 SHA-1: 5b799e17cd640686e55f04381bcba9ef2cafeb0e SHA-256: 34774ffd177b8947fa030e1ab954d752774ffc1777dc4bb4caea6045c8e8c91c
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits a PDF link farm with numerous external PDF links, many hosted on cdn.shopify.com and other domains. The document body contains obfuscated text and the target URL, suggesting a lure to a malicious site.

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.com/pify?keyword=lori+heldman+losey
    • http://files.merisfineartgallery.com/uploads/1/3/2/6/132681602/6704068.pdf
    • http://files.burlingtontheatre.com/uploads/1/3/0/7/130776204/00a47d3a91052.pdf
    • http://files.onstagetheatricalproductions.com/uploads/1/3/1/0/131070152/zasesorozor.pdf
    • http://files.allereview.com/uploads/1/3/2/8/132815008/todenubokidabeg.pdf
    • http://files.livyou.org/uploads/1/3/1/4/131453494/4651473.pdf
    • https://cdn.shopify.com/s/files/1/0431/1751/0818/files/61959644468.pdf
    • https://cdn.shopify.com/s/files/1/0439/9074/5246/files/dimasorivug.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65107231385.pdf
    • https://cdn.shopify.com/s/files/1/0430/4293/0842/files/fepovok.pdf
    • https://cdn.shopify.com/s/files/1/0431/0299/4586/files/52506468329.pdf
    • https://cdn.shopify.com/s/files/1/0433/9050/1020/files/73905596389.pdf
    • https://cdn.shopify.com/s/files/1/0428/5962/6655/files/budonoduv.pdf
    • https://cdn.shopify.com/s/files/1/0438/1740/2530/files/86641679983.pdf
    • https://cdn.shopify.com/s/files/1/0434/8765/8141/files/29359479935.pdf
    • https://cdn.shopify.com/s/files/1/0432/9200/0406/files/14802011729.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tuwaz.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_off0000495f.bin
66a39fbe60aebc5524d89e64fd4d78ec9282de7ae98b8be00c3624c81777cfc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x495F 5108 bytes
font_01_sfnt_off00005a95.bin
e59f0e396f9c0a0248dd9242a97b662654fb941096bf92e5a358978b41a9b4b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A95 9528 bytes

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