Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6c7009a7fcaa9a…

MALICIOUS

PDF

48.2 KB Created: 2020-08-21 01:23:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60962490a2575e7adf71500a23955476 SHA-1: 596866abd0a3ddf08249041703b45c55970d5cc0 SHA-256: 2b6c7009a7fcaa9ab9b2e51ced29215d53874c403b462ed3a0c09f9bf5fbbd49
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a malicious redirector URL, masquerading as a Cisco datasheet. The primary malicious URL, 'https://ttraff.com/pify?keyword=cisco+attendant+console+standard+datasheet', is designed to redirect the user to further malicious content. The presence of numerous links to external PDFs, many hosted on shopify.com, suggests a link farm tactic to potentially improve search engine ranking or distribute malicious payloads.

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=cisco+attendant+console+standard+datasheet
    • http://voxitapek.apachetruckclub.com/uploads/1/3/1/0/131069934/6972980.pdf
    • http://files.arturoaguilarphoto.com/uploads/1/3/0/7/130738792/bakibe-mesivifujigeb.pdf
    • http://wubotol.twowheelsfourpaws.com/uploads/1/3/0/7/130775172/8942890.pdf
    • https://cdn.shopify.com/s/files/1/0430/1763/3945/files/18740738924.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80835258875.pdf
    • https://cdn.shopify.com/s/files/1/0434/2926/5564/files/96218946346.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botezosural.pdf
    • https://cdn.shopify.com/s/files/1/0434/9778/3458/files/32537909502.pdf
    • https://cdn.shopify.com/s/files/1/0431/8180/1629/files/wedding_invitation_website_templates_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/0011/0999/files/mibeladok.pdf
    • https://cdn.shopify.com/s/files/1/0428/9550/7615/files/7056877249.pdf
    • https://cdn.shopify.com/s/files/1/0428/6644/2406/files/powerpoint_themes_free_2007.pdf
    • https://cdn.shopify.com/s/files/1/0436/0683/5358/files/remove_watermark_expert.pdf
    • https://cdn.shopify.com/s/files/1/0429/6104/3605/files/40410224513.pdf
    • https://cdn.shopify.com/s/files/1/0435/2763/5096/files/best_music_video_er_website.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_off00007f4f.bin
78f3e7103ba0a1dfcf65eeaf55945c7793db0e6aea191377f6b0891155fbf31e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4F 4932 bytes
font_01_sfnt_off00008ff7.bin
965187da0d9d488ee6ebc0a042668e92de5af2500c8215029f60362491a770df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FF7 10392 bytes

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