Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cef3432bcd0cc3a…

MALICIOUS

PDF

35.9 KB Created: 2020-08-30 04:51:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c0b04ff7437afcf3404bb268fff71031 SHA-1: a3bdbb98808c5ffdf73228292aacc95465148106 SHA-256: 2cef3432bcd0cc3a859d61518c707ea8883891eec3f1ca69d1f55bc22e013946
150 Risk Score

Malware Insights

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

The PDF contains a link farm and a direct link to a redirector, both associated with malicious activity. The primary link, 'https://ttraff.com/wix?keyword=farming+simulator+17+crack', is identified as a malicious redirector. This suggests the document is designed to lure users to malicious sites, likely for further exploitation or malware delivery, under the guise of providing cracked software.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/wix?keyword=farming+simulator+17+crack
    • https://static.usrfiles.com/ugd/b8c837_03a24ae1a0444362a3d249be8f995597.pdf
    • https://static.usrfiles.com/ugd/f46427_be35cdf9e83d47dda630b15c956f00a0.pdf
    • https://static.usrfiles.com/ugd/b8c837_29b7b00f22784d17b0900dcefed3238d.pdf
    • https://static.usrfiles.com/ugd/b8c837_9230c86d10a04fcba2dab7aade11405f.pdf
    • https://static.usrfiles.com/ugd/8b97dd_1ef9f30d20df4f989581728efbee1b80.pdf
    • https://static.usrfiles.com/ugd/409ca8_6387751039e642c396c45d8faac2923d.pdf
    • https://cdn.shopify.com/s/files/1/0427/7692/0220/files/honeywell_5000_installation_manual.pdf
    • https://cdn.shopify.com/s/files/1/0439/3569/5016/files/xudosuvabafi.pdf
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/submit_button_on_form_not_working.pdf
    • https://cdn.shopify.com/s/files/1/0434/0151/1064/files/majavawow.pdf
    • https://cdn.shopify.com/s/files/1/0431/5804/4826/files/55882549026.pdf
    • https://cdn.shopify.com/s/files/1/0430/3696/7063/files/a_love_to_kill.pdf
    • https://cdn.shopify.com/s/files/1/0437/2919/1066/files/divokasizidenajunideka.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_off00004ec5.bin
7e32b4e6d7f680c825042c57ae1d5670801f0d57ebaf52da2cc05b2b97bc2ce2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EC5 5272 bytes
font_01_sfnt_off000060a8.bin
8999e3017a255b0ac0bfb37cdf05d7c6f3524f753f802894abf7507d0b2762ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60A8 10080 bytes

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