Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae85296463f513bf…

MALICIOUS

PDF

41.1 KB Created: 2020-09-01 19:01:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 78c1708aee706ec912341e32a599dd18 SHA-1: 484c52e4bca323d8139653de05a1a6582b23080e SHA-256: ae85296463f513bf3c19fcd361d157fa7f2a0f63f49a6520b5707859388b01ed
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a common tactic for SEO spam and phishing. One critical heuristic identified a link to a known malicious redirector, specifically 'https://ttraff.club/pify?keyword=id+card+template+pdf', which is designed to obscure the final malicious destination. The document body, though partially corrupted, suggests a lure related to 'Id card template pdf'. The presence of many links to Shopify domains, alongside the malicious redirector, indicates a campaign distributing malicious content disguised as legitimate 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.club/pify?keyword=id+card+template+pdf
    • https://static.usrfiles.com/ugd/70c1f8_882fcb5ef099481ab9fa12699ccc0b53.pdf
    • https://static.usrfiles.com/ugd/b8c837_90cbdfe5e4e44502bfc36b782c597e03.pdf
    • https://static.usrfiles.com/ugd/6cfc61_ac21dfc83b5e4e22a3412ea37e4d1e3b.pdf
    • https://cdn.shopify.com/s/files/1/0437/8371/7015/files/35131719959.pdf
    • https://cdn.shopify.com/s/files/1/0430/2969/2577/files/vexewonozexijatew.pdf
    • https://cdn.shopify.com/s/files/1/0429/0219/2287/files/86476531919.pdf
    • https://cdn.shopify.com/s/files/1/0430/6613/0593/files/poseidon_story.pdf
    • https://cdn.shopify.com/s/files/1/0437/5419/3047/files/editorsdepot._com_for_free_templates.pdf
    • https://cdn.shopify.com/s/files/1/0463/3968/6556/files/logitech_gaming_software_no_devices_detected.pdf
    • https://cdn.shopify.com/s/files/1/0429/5717/6986/files/english_spanish_idioms_dictionary.pdf
    • https://cdn.shopify.com/s/files/1/0437/7804/8161/files/cns_lymphoma_treatment_guidelines.pdf
    • https://static.usrfiles.com/ugd/b8c837_a04519cd42ae4f959c5db42a25157745.pdf
    • https://static.usrfiles.com/ugd/74a852_82fc4e41f30148bb9607035a3a29f076.pdf
    • https://static.usrfiles.com/ugd/9ff9b8_00f7684f025d458892ec26ba5be7e7ea.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_off0000647c.bin
c456e02ca26e45315e4c38aefdaef172ac39d38d960ce756fc8a41688e7ffbcd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x647C 5060 bytes
font_01_sfnt_off0000759c.bin
a4a51a791740183f0249a3434a5f9a48db989dac0f9b6d6bdfeff4834d32815c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x759C 10148 bytes

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