Malicious PDF — malware analysis report

Static analysis result for SHA-256 c195d8dfc2094e22…

MALICIOUS

PDF

37.6 KB Created: 2020-08-18 20:16:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7417742fe55e071d91648c3ba502d9c5 SHA-1: b8e5ce578d8a1584f2ea56cc85ac1a7254b08e5c SHA-256: c195d8dfc2094e228bc37ae4e7db8701b02c9b6289ccd323669cdef1222e5688
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, masquerading as an owner's manual to entice clicks. The primary link, 'https://ttraff.com/pify?keyword=2018+chevy+equinox+premier+owners+manual', is identified as a malicious redirector. The document's structure and embedded links strongly suggest 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.com/pify?keyword=2018+chevy+equinox+premier+owners+manual
    • http://files.becauseitallmatters.com/uploads/1/3/1/4/131437702/3948821.pdf
    • http://files.thegoldenpegasus.com/uploads/1/3/1/8/131856706/mopanulewajupuw.pdf
    • http://files.lqcolour.com/uploads/1/3/1/3/131398123/5059f38.pdf
    • https://cdn.shopify.com/s/files/1/0438/4089/7181/files/28371493030.pdf
    • https://cdn.shopify.com/s/files/1/0432/9714/4990/files/pubiw.pdf
    • https://cdn.shopify.com/s/files/1/0434/4945/0661/files/logilinapazus.pdf
    • https://cdn.shopify.com/s/files/1/0430/7088/1946/files/rudatada.pdf
    • https://cdn.shopify.com/s/files/1/0434/0318/2231/files/onan_generator_repair_manual_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0820/4708/files/demonology_warlock_icy_veins.pdf
    • https://cdn.shopify.com/s/files/1/0430/1006/4537/files/3496678867.pdf
    • https://cdn.shopify.com/s/files/1/0436/9635/7530/files/xafediwadifoxufiwezo.pdf
    • https://cdn.shopify.com/s/files/1/0435/5814/2120/files/mavelivegiwitawafuz.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_off000053c9.bin
4ec3eb509379b4b7f2ff5555e0fa0644dfe9c335e5566e36d843be6f95f846bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53C9 6048 bytes
font_01_sfnt_off00006846.bin
99af98b6588284183cbae7835979a0b45ba8574fcc7c6ce182b9232ce96a1006		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6846 9784 bytes

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