Malicious PDF — malware analysis report

Static analysis result for SHA-256 56cf4616bf4bf78e…

MALICIOUS

PDF

39.8 KB Created: 2020-08-17 01:23:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83c669cb7cb7582bd2b60621bcc58dfc SHA-1: fc72e0643bc5c7a68193764bde69be82e9065b76 SHA-256: 56cf4616bf4bf78e650b77cf97b0d4b81452818fc63cac9ba021ffc0ad51efa5
120 Risk Score

Malware Insights

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

The PDF document contains a link farm designed to appear as legitimate content, but the primary link redirects to a malicious URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link https://ttraff.com/pify?keyword=program+hack+game+android+no+root is part of a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains this URL and other links, suggesting a social engineering attempt to trick users into visiting the malicious 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.com/pify?keyword=program+hack+game+android+no+root
    • http://files.commonclimber.com/uploads/1/3/0/7/130740530/gejafupanabifo_worisa_nutal.pdf
    • https://cdn.shopify.com/s/files/1/0450/5842/4995/files/universal_studios_florida_map_2020.pdf
    • https://cdn.shopify.com/s/files/1/0440/7135/4533/files/dell_latitude_5300_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0437/0091/2282/files/wexelolexe.pdf
    • https://cdn.shopify.com/s/files/1/0434/9476/8802/files/20362267133.pdf
    • https://cdn.shopify.com/s/files/1/0434/7396/1126/files/27832769319.pdf
    • https://cdn.shopify.com/s/files/1/0434/9558/8002/files/rainy_day_janel_parrish_piano_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/68484449178.pdf
    • https://cdn.shopify.com/s/files/1/0430/6727/7469/files/54302819129.pdf
    • https://cdn.shopify.com/s/files/1/0437/1097/2056/files/dozomikabopinosuzusipu.pdf
    • https://cdn.shopify.com/s/files/1/0431/5077/0333/files/bilikisafup.pdf
    • https://cdn.shopify.com/s/files/1/0433/2909/3784/files/tadetadapisalajeboxotux.pdf
    • https://cdn.shopify.com/s/files/1/0429/8778/2297/files/fulupedovobikado.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_off00005ee8.bin
d43d41ad818c59c851752d71065ba4ebbfa51dbff80b3af2aba8bd5663430cd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE8 5208 bytes
font_01_sfnt_off00007071.bin
1f8a9bd40481267d5c98346c83189400e1ec213c0f9fa6928f0ac588844791f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7071 10060 bytes

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