Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e0ea1eeb20849f8…

MALICIOUS

PDF

42.7 KB Created: 2020-08-03 17:32:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 84da8249047af8889bee015ac260439a SHA-1: 7cd5e74b78a3726b72665cfed7503c648c138d6d SHA-256: 3e0ea1eeb20849f8468c3753ac35cab9c51dbab248283e1633a2c7ddce87c0e6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a high number of embedded links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing "Pirates of the caribbean music score pdf" and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of numerous PDF links suggests a link farm or SEO poisoning tactic to distribute the malicious PDF.

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=pirates+of+the+caribbean+music+score+pdf
    • http://files.cobleskillcollegerentals.com/uploads/1/3/1/3/131379567/4719547.pdf
    • http://files.industrialloss.com/uploads/1/3/2/6/132681865/notuve-govexitomilan.pdf
    • http://files.maydetosing.org/uploads/1/3/2/7/132710711/buwera-pezupukeladorup-wovatarolajuzo-fezugebimugopof.pdf
    • https://cdn.shopify.com/s/files/1/0440/7646/6328/files/create_directory_python.pdf
    • https://cdn.shopify.com/s/files/1/0429/8476/7641/files/58571037878.pdf
    • https://cdn.shopify.com/s/files/1/0432/3016/7203/files/duwidumabuxanareb.pdf
    • https://cdn.shopify.com/s/files/1/0436/0005/2387/files/fagejizesajamori.pdf
    • https://cdn.shopify.com/s/files/1/0434/6642/4470/files/jebosoxavot.pdf
    • https://cdn.shopify.com/s/files/1/0430/7025/9357/files/56777878159.pdf
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/fasenuzoxewo.pdf
    • https://cdn.shopify.com/s/files/1/0439/2783/0696/files/gijijetomaduruvapakidobuj.pdf
    • https://cdn.shopify.com/s/files/1/0428/6621/3031/files/bavixiwinamufamotof.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kulabegidubonigupux.pdf
    • https://cdn.shopify.com/s/files/1/0434/0131/4456/files/diablo_2_higher_resolution.pdf
    • https://cdn.shopify.com/s/files/1/0435/9313/8333/files/25749512070.pdf
    • https://cdn.shopify.com/s/files/1/0429/6117/4687/files/vuluxelor.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_off0000689f.bin
f08139699a55cbe0e843269549952a14c993d4f64633d7fd64414bd375560d17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x689F 5504 bytes
font_01_sfnt_off00007b21.bin
bf39d4fe03a54a95820ccc60bd063d086cd73ded22ce27576ed91391be5f7d19		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B21 9956 bytes

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