Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcee843dbaae5719…

MALICIOUS

PDF

40.0 KB Created: 2020-08-30 13:11:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 78626708df3472a54888168a41fc7f04 SHA-1: 01d90c8eaab375a4778818e567898e8cde848b6a SHA-256: fcee843dbaae57191ef8ad7bf12967095da1e21477c7a512e9d9c9c723620382
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass of external links, with one prominent link pointing to a known malicious redirector. The document body, though heavily corrupted, contains text fragments that suggest a lure related to a 'Priscilla Shirer Gideon viewer guide'. The primary malicious URL is https://ttraff.cc/wix?keyword=priscilla+shirer+gideon+viewer+guide, which is flagged as malicious. The presence of numerous Shopify links, while many are benign, suggests an attempt to blend in or leverage legitimate platforms for hosting.

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/wix?keyword=priscilla+shirer+gideon+viewer+guide
    • https://cdn.shopify.com/s/files/1/0433/6130/4728/files/balasogitolekubalodinemiv.pdf
    • https://cdn.shopify.com/s/files/1/0431/8992/8096/files/complete_oxford_english_dictionary_download.pdf
    • https://cdn.shopify.com/s/files/1/0440/3570/2949/files/771879626.pdf
    • https://cdn.shopify.com/s/files/1/0436/3960/3360/files/valusilezajefudif.pdf
    • https://cdn.shopify.com/s/files/1/0459/6229/7504/files/niduvitev.pdf
    • https://cdn.shopify.com/s/files/1/0431/9130/4343/files/98384098240.pdf
    • https://cdn.shopify.com/s/files/1/0430/9244/3303/files/rapalixaxoxufine.pdf
    • https://static.usrfiles.com/ugd/b8c837_59d454b30adc47edb1a065119f5ce234.pdf
    • https://static.usrfiles.com/ugd/b28561_fb0cf3e9c8944587b274bb8859027ee4.pdf
    • https://static.usrfiles.com/ugd/b8c837_4c41bea29aba489cbd092bdc608078f5.pdf
    • https://static.usrfiles.com/ugd/097bd5_7f4f5b2d09dd4bf3a95a78f84da381f4.pdf
    • https://static.usrfiles.com/ugd/b8c837_b321b21320a64d7cbcbbbf065576e80b.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_off00005e4c.bin
41c4c7955349ec1bc2faa6270479e0a8bedcd3c27ba15b14b1b5253758fa992a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4C 5356 bytes
font_01_sfnt_off00007077.bin
9b753a44652181675c1f2690de348807502d1331cd3d883b6a4a1fa5d35fe8e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7077 10264 bytes

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