Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ee0565c0098383b…

MALICIOUS

PDF

35.2 KB Created: 2020-08-25 11:32:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff22092d0dee3b387d5680d043cb34a3 SHA-1: 94afb21fa8155d756b4595ce1828dc58ba0497a0 SHA-256: 7ee0565c0098383b623d3825a4b9fd72decb34878bdec856d54b81b5ba99be82
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 'https://ttraff.cc/pify?keyword=credit+card+information+via+email'. Additionally, it exhibits a PDF link farm heuristic, with numerous embedded links, many pointing to Shopify domains. The document body contains garbled text but also includes the malicious URL, reinforcing the lure. The primary attack pattern involves redirecting the user to a potentially malicious site via the embedded link.

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=credit+card+information+via+email
    • http://files.hannahsouersdesigns.com/uploads/1/3/1/6/131606901/bubalijisiwoki_raborex.pdf
    • http://riwasade.milieu-art.com/uploads/1/3/0/7/130740145/pafedorukoxus_poxif.pdf
    • https://cdn.shopify.com/s/files/1/0437/3915/2535/files/anaconda_telugu_dubbed_movie.pdf
    • https://cdn.shopify.com/s/files/1/0428/0870/5187/files/owners_manual_mercedes_s_class.pdf
    • https://cdn.shopify.com/s/files/1/0430/4656/8098/files/zusesujegebufabe.pdf
    • https://cdn.shopify.com/s/files/1/0431/1141/5959/files/panasonic_kx_t7731_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/7650/1147/files/asthma_action_plan_for_school_form.pdf
    • https://cdn.shopify.com/s/files/1/0432/2630/0575/files/46637718081.pdf
    • https://cdn.shopify.com/s/files/1/0440/6696/3621/files/61349115248.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bovabokuvuxinapuwukiberem.pdf
    • https://cdn.shopify.com/s/files/1/0431/0269/9681/files/73505732001.pdf
    • https://cdn.shopify.com/s/files/1/0429/1778/9862/files/revipajasaw.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004253.bin
bf6f92b1b52d5120982aa17c8ee02986249756219d0d3615198eae5b5d7c6fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4253 4860 bytes
font_01_sfnt_off000052c4.bin
aecb3994c30e1a246fd5a9d124c44c66c6c0bf33bacecd97ab957e3aca523597		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52C4 9140 bytes
font_02_sfnt_off00007204.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7204 4324 bytes

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