Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2367b98e2b97f63…

MALICIOUS

PDF

49.0 KB Created: 2020-08-10 20:54:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3a7e9e64645e9076ca97721ab46dbfdd SHA-1: f0d49d62394692e15047e32587dff7aee617ef4e SHA-256: b2367b98e2b97f636e0e082d23d624f92a51d073894ac257b8f615ddd43600be
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector at `https://ttraff.com/pify?keyword=admonitions+of+st+francis+pdf`. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution. No scripts were extracted from this sample.

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=admonitions+of+st+francis+pdf
    • http://files.coalitionforanimals.com/uploads/1/3/1/3/131383581/2204db20.pdf
    • http://files.nyegirlboutique.com/uploads/1/3/0/9/130969429/323046.pdf
    • http://files.bakedbyalice.co.uk/uploads/1/3/0/7/130740012/gigevogoj.pdf
    • http://jojoxub.channelcenter9.com/uploads/1/3/1/0/131070146/datizow-vutefugofo-sidojufipot.pdf
    • http://renibit.thetravellingsingh.com/uploads/1/3/1/3/131383483/sagevo.pdf
    • https://cdn.shopify.com/s/files/1/0434/8434/8569/files/gusipibisopafajodumomu.pdf
    • https://cdn.shopify.com/s/files/1/0430/1930/5113/files/guwojobizusudu.pdf
    • https://cdn.shopify.com/s/files/1/0428/1263/7351/files/pruebas_liberadas_ser_bachiller_2020.pdf
    • https://cdn.shopify.com/s/files/1/0429/1988/7001/files/nubukasekafijuzit.pdf
    • https://cdn.shopify.com/s/files/1/0435/6128/7839/files/5041802436.pdf
    • https://cdn.shopify.com/s/files/1/0445/6418/5247/files/speak_english_conversation.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tedogunugovosilogupex.pdf
    • https://cdn.shopify.com/s/files/1/0436/1800/9251/files/82902437690.pdf
    • https://cdn.shopify.com/s/files/1/0427/8000/0423/files/23965557412.pdf
    • https://cdn.shopify.com/s/files/1/0445/9456/1188/files/geporexutizaxoboriweso.pdf
    • https://cdn.shopify.com/s/files/1/0431/7849/2062/files/86731201522.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_off00008395.bin
cb9ffbf806e86da918166a60e15f63ef8cddd7e1938e43fc8063e2c9078d0cb2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8395 5260 bytes
font_01_sfnt_off00009559.bin
029557cd2c88815af31cd0714a80d6decb8af313bba79ded575aede844edd3bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9559 9928 bytes

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