Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbfa70866e0586ff…

MALICIOUS

PDF

39.8 KB Created: 2020-08-20 10:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c490fcc7907579a287cf6bb248dd7b7 SHA-1: a55d68cf34a79bb1c6df71caef2fefe055c35e8d SHA-256: fbfa70866e0586ff4655fe71259387968bcbc8d316c459e5be70c0fbb4d33b53
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The embedded URL 'https://ttraff.com/pify?keyword=can%2527+t+delete+google+search+history+android' is the primary indicator of malicious intent, likely serving as a lure for further malicious activity.

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=can%2527+t+delete+google+search+history+android
    • http://files.pvvikingfootball.com/uploads/1/3/1/1/131164009/2614308.pdf
    • https://cdn.shopify.com/s/files/1/0437/1077/5464/files/walasefeduwof.pdf
    • https://cdn.shopify.com/s/files/1/0433/3459/8809/files/psicologia_libros.pdf
    • https://cdn.shopify.com/s/files/1/0433/9597/3276/files/7859228409.pdf
    • https://cdn.shopify.com/s/files/1/0433/5609/4614/files/19560720080.pdf
    • https://cdn.shopify.com/s/files/1/0428/3590/2631/files/23376412811.pdf
    • https://cdn.shopify.com/s/files/1/0431/1531/5349/files/dezozokigedatilal.pdf
    • https://cdn.shopify.com/s/files/1/0432/1509/3917/files/mejexubomizemidigozeg.pdf
    • https://cdn.shopify.com/s/files/1/0431/1475/8293/files/kafuresa.pdf
    • https://cdn.shopify.com/s/files/1/0434/2045/0972/files/whooping_cough_vaccine_guidelines_australia.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_off00005e34.bin
03911978383cf2bd8f02b0aa3193362c1e09cb93a444ad4295134e893d26ba4b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E34 5240 bytes
font_01_sfnt_off0000700e.bin
44ce20f1af7b6949157b90742bddc36cec8a1ffb3a528a2a9957128e33ac9d2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x700E 10008 bytes

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