Malicious PDF — malware analysis report

Static analysis result for SHA-256 20c96ea5614d28ac…

MALICIOUS

PDF

40.7 KB Created: 2020-08-18 22:08:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c60423200d33a51d124940a1855829f SHA-1: a98fe7e3985499a061c4692e792bc3e488c1a350 SHA-256: 20c96ea5614d28acc850b0fd7e64655304704f0b1e371dec31a46e0828bb7b6b
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to the presence of a large number of embedded links, a technique often used to create link farms for SEO manipulation or to redirect users to malicious sites. One critical heuristic firing indicates a direct link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains references to a 'lion headband template' and the URL 'https://ttraff.cc/pify?keyword=lion+headband+template', suggesting a lure to a potentially harmful site.

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=lion+headband+template
    • http://files.qiboacupuncture.com/uploads/1/3/1/4/131452842/e4e48d84c6e5386.pdf
    • http://wedaxif.wheteach.org/uploads/1/3/0/8/130874104/xurawalojajerikiki.pdf
    • http://files.gijsmulders.com/uploads/1/3/2/7/132712206/pukabagibowuz-romilelana-bisadejaluje.pdf
    • http://files.poultneyvtrotary.com/uploads/1/3/1/3/131379382/a13a4.pdf
    • https://cdn.shopify.com/s/files/1/0428/3911/3895/files/76738246637.pdf
    • https://cdn.shopify.com/s/files/1/0434/9778/3458/files/sozugogafokaluriwopewov.pdf
    • https://cdn.shopify.com/s/files/1/0435/5378/3967/files/architecture_drawing.pdf
    • https://cdn.shopify.com/s/files/1/0433/0697/5382/files/15088218339.pdf
    • https://cdn.shopify.com/s/files/1/0448/0948/6498/files/bailey_and_love_essential_clinical_anatomy.pdf
    • https://cdn.shopify.com/s/files/1/0434/2625/0917/files/74396051757.pdf
    • https://cdn.shopify.com/s/files/1/0428/1879/7724/files/college_floor_plan.pdf
    • https://cdn.shopify.com/s/files/1/0432/6978/3720/files/documentos_del_magisterio_de_la_iglesia_catolica.pdf
    • https://cdn.shopify.com/s/files/1/0431/0610/7552/files/architectural_graphics_ching.pdf
    • https://cdn.shopify.com/s/files/1/0431/5168/7848/files/10448266363.pdf
    • https://cdn.shopify.com/s/files/1/0439/0017/4504/files/5840514174.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_off000062fd.bin
d26ea15a30e08b6a618baf16f46cf470e1802441315da683cd6ea9ca0b6003db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62FD 5004 bytes
font_01_sfnt_off000073d2.bin
6f86e00874a2251b71c5ae6c6c5b962ba316e62778016bd441fbb53c4aefd781		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73D2 10060 bytes

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