Malicious PDF — malware analysis report

Static analysis result for SHA-256 5688edce0c0b1c4e…

MALICIOUS

PDF

39.2 KB Created: 2020-08-20 16:58:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5bb1c3996b9fe973ecc48b736bedbc48 SHA-1: b52fad484c60013558871187764eaac85016136d SHA-256: 5688edce0c0b1c4efd1df2c6fd976df5f88ba1bdbd35311272ed7d16a42f7cac
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to Shopify domains but also include suspicious domains like 'somet.utahyouthcourts.com' and 'nejuzajo.intuitivetouchworld.com'. The document body, though heavily obfuscated, contains the suspicious URL, suggesting an attempt to lure users to a malicious site under the guise of providing website templates.

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=one+page+scroll+website+template+themeforest
    • http://somet.utahyouthcourts.com/uploads/1/3/2/3/132303354/jurimagilivom.pdf
    • http://nejuzajo.intuitivetouchworld.com/uploads/1/3/1/4/131454165/tagefifebarab.pdf
    • https://cdn.shopify.com/s/files/1/0437/9613/6097/files/philadelphia_downtown_map.pdf
    • https://cdn.shopify.com/s/files/1/0431/5168/7837/files/bearing_false_witness_rodney_stark.pdf
    • https://cdn.shopify.com/s/files/1/0437/5448/7969/files/93_nissan_centra.pdf
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/65396758164.pdf
    • https://cdn.shopify.com/s/files/1/0434/2969/1558/files/filepugozitepuzaketinaw.pdf
    • https://cdn.shopify.com/s/files/1/0431/9959/4656/files/guxomanivipasipaxalox.pdf
    • https://cdn.shopify.com/s/files/1/0431/6377/9240/files/16755957537.pdf
    • https://cdn.shopify.com/s/files/1/0437/9358/0189/files/bomizuwizixoxazegixawobu.pdf
    • https://cdn.shopify.com/s/files/1/0458/1408/7846/files/manual_para_aprender_espanhol.pdf
    • https://cdn.shopify.com/s/files/1/0429/7703/4399/files/491687494.pdf
    • https://cdn.shopify.com/s/files/1/0437/8905/8206/files/13022346048.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_off00005b6b.bin
f3843af7a3addcea102a01354a8f30125096822f002f348493d5d3932ab7750f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B6B 5688 bytes
font_01_sfnt_off00006e9e.bin
f3c6883f933a85b7d48f83b720cfca3437c98a4dcc219cc61434f7363a617d15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E9E 9668 bytes

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