Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac45ee4330272ecc…

MALICIOUS

PDF

42.8 KB Created: 2020-08-21 09:48:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e147569f3f2eb453c05c7c93071f5af SHA-1: 9da469811e513d8f916625e29a6f2f63ea210de9 SHA-256: ac45ee4330272ecc1211374cb6f75ef82e424c9274c7820e8ba7d56894983da3
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=mike+gore+fishing+guide'. This URL is embedded within the document body, suggesting an attempt to trick the user into clicking it. The file also exhibits characteristics of a link farm, with numerous external PDF links, many of which are hosted on Shopify but some point to potentially malicious domains. The presence of a malicious redirector and the link farm behavior strongly indicate a phishing or malware distribution attempt.

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/pify?keyword=mike+gore+fishing+guide
    • http://zapop.winningmentalitygroup.com/uploads/1/3/0/7/130740206/zuseged_rogiguvuxod_pupekolodugulum_regaka.pdf
    • http://files.levelupchurchmemphis.com/uploads/1/3/2/6/132695615/gudukofuxem.pdf
    • http://files.curriculumusa.com/uploads/1/3/0/7/130775592/jinigodoxufagokubide.pdf
    • http://files.joysalyers.com/uploads/1/3/1/4/131452942/dovamadavabuz-pazugojog-fenosakefa.pdf
    • https://cdn.shopify.com/s/files/1/0430/7697/6791/files/clean_architecture_uncle_bob_download.pdf
    • https://cdn.shopify.com/s/files/1/0439/6810/2558/files/glenn_beck_special_report.pdf
    • https://cdn.shopify.com/s/files/1/0434/9886/4800/files/87619927760.pdf
    • https://cdn.shopify.com/s/files/1/0431/6292/7253/files/latest_mcq_of_child_development_and_pedagogy.pdf
    • https://cdn.shopify.com/s/files/1/0437/9649/6544/files/budesonida_spray_nasal_bula.pdf
    • https://cdn.shopify.com/s/files/1/0432/6499/9590/files/vatubekagovu.pdf
    • https://cdn.shopify.com/s/files/1/0436/5543/0309/files/sigoxedipem.pdf
    • https://cdn.shopify.com/s/files/1/0432/8616/7702/files/5217636372.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_off00006b25.bin
d9f3a8d035f6ad70852adef68c58e221da7cdcdce08c9227ecfd3c46b5896179		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B25 4996 bytes
font_01_sfnt_off00007c29.bin
06f9daf634e41c3e857c71e99d29b03da1620dab39dc00b6f2c5a6cbe8c7daa5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C29 10128 bytes

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