Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fa63d118fa0a09a…

MALICIOUS

PDF

45.7 KB Created: 2020-08-29 18:32:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 78d357169c80df6dd393376b04d81487 SHA-1: 0844214dee6f4cbccd08c9141744cdb781efbed3 SHA-256: 3fa63d118fa0a09af3ab457435e5f08bfcf5193f7409f25fc9d799cbed2d14b3
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link. This link, 'https://ttraff.cc/wix?keyword=evga+geforce+titan+x+superclock', is likely intended to lure the user to a malicious website. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links, including one pointing to 'https://cdn.shopify.com/s/files/1/0428/5428/5479/files/vanoni.pdf', suggesting a broad distribution attempt.

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/wix?keyword=evga+geforce+titan+x+superclock
    • https://cdn.shopify.com/s/files/1/0428/5428/5479/files/vanoni.pdf
    • https://cdn.shopify.com/s/files/1/0464/6597/4424/files/knockout_js_template_data.pdf
    • https://cdn.shopify.com/s/files/1/0449/0277/6999/files/home_budget_template_uk.pdf
    • https://cdn.shopify.com/s/files/1/0432/0156/0737/files/56885680238.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.pdf
    • https://cdn.shopify.com/s/files/1/0440/5942/6968/files/aeronautica_imperialis_wings_of_vengeance.pdf
    • https://cdn.shopify.com/s/files/1/0433/2349/0457/files/buvonawofifakafejitatoki.pdf
    • https://cdn.shopify.com/s/files/1/0455/6704/9893/files/ielts_exam_listening_answer_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0432/1692/8923/files/gijopukewiwudigakebuze.pdf
    • https://cdn.shopify.com/s/files/1/0429/1300/5724/files/88927607333.pdf
    • https://cdn.shopify.com/s/files/1/0436/3350/8512/files/thyroid_carcinoma_treatment_guidelines.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_off00006b34.bin
ff3967f65a2336e56884b73772199ed3a34b35b40d475f95da18c7aa02b0357e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B34 5332 bytes
font_01_sfnt_off00007d81.bin
bb87cada9d287d5f4cd695d468f963d8185adbcea969426989921b14031f2a79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D81 14232 bytes

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