Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9907d80214669a2…

MALICIOUS

PDF

113.4 KB Created: 2020-07-27 08:45:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3a30ad5d68cf482fda8fcb639c0f7651 SHA-1: f02a7a8d6b1ad1ea2b34ee6522638c8025875c41 SHA-256: e9907d80214669a27d809b55429651780e473ea05b1c3cb1ce800e6165a99c6d
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains numerous links, with a critical heuristic firing for a malicious redirector pointing to 'ttraff.ru'. Another critical heuristic identified a large number of external PDF links, with the dominant host being 'cdn.shopify.com'. The document body, though heavily obfuscated, contains text related to a 'Chevy cruze 2013 manual', suggesting a lure to disguise the malicious links. The presence of a callback phishing lure heuristic further supports a scam-related attack pattern.

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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.ru/pify?keyword=chevy+cruze+2013+manual
    • http://files.heartfelthealingcounseling.com/uploads/1/3/2/3/132302913/wumominawajik.pdf
    • http://files.saltxpepper.com/uploads/1/3/0/7/130775665/4976336.pdf
    • http://files.rutieborthwick.com/uploads/1/3/1/4/131454850/6f9b79a9cf9b9d2.pdf
    • https://cdn.shopify.com/s/files/1/0429/4282/4611/files/dukowasixofukepozujubupo.pdf
    • https://cdn.shopify.com/s/files/1/0437/3318/8762/files/27343946973.pdf
    • https://cdn.shopify.com/s/files/1/0431/1125/2132/files/41972944623.pdf
    • https://cdn.shopify.com/s/files/1/0428/5608/7708/files/92752293751.pdf
    • https://cdn.shopify.com/s/files/1/0429/9243/5359/files/97435229397.pdf
    • https://cdn.shopify.com/s/files/1/0437/7293/6341/files/38545156048.pdf
    • https://cdn.shopify.com/s/files/1/0427/9202/6271/files/towetipanitekobotabixuvux.pdf
    • https://cdn.shopify.com/s/files/1/0433/9236/8798/files/rekikofuzurujeg.pdf
    • https://cdn.shopify.com/s/files/1/0436/1378/2173/files/waxesipip.pdf
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/10271517421.pdf
    • https://cdn.shopify.com/s/files/1/0434/1730/5240/files/11682970281.pdf
    • https://cdn.shopify.com/s/files/1/0431/2816/0420/files/gulusibuwemogugiso.pdf
    • https://cdn.shopify.com/s/files/1/0427/5470/3526/files/bujugapi.pdf
    • https://cdn.shopify.com/s/files/1/0430/7740/2778/files/16705835565.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014216.bin
588e2582b5d32514bc43bfaaf5a082cf1a8e51ccabd0879d0d00f83216c3573a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14216 5228 bytes
font_01_sfnt_off000153c4.bin
691e6ea8f28032ccbb00249610f47fe65e69a58865ff1892674be6925d9dd236		 pdf-font-stream PDF embedded font (sfnt) at offset 0x153C4 10204 bytes
font_02_sfnt_off00017038.bin
951f8e40d1c5ef399a0cda719cf2943c72fa72612215c48ae65b7d2baeb78167		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17038 16240 bytes
font_03_sfnt_off0001a237.bin
b10e7a0583bf6b216a5471aeed10f14210f1dda3adb60ac5169fcb38ba12e60c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A237 16060 bytes

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