Malicious PDF — malware analysis report

Static analysis result for SHA-256 27eeaa8c0fe272e4…

MALICIOUS

PDF

42.1 KB Created: 2020-08-23 22:08:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e9c392e5323cea9dd4d48ec31133ab3 SHA-1: b80b47652c7470e2fff5ad778728a115e92526c8 SHA-256: 27eeaa8c0fe272e40b30ef42bee93d12b81bc73658d85cd77061ea98ebcf8a66
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 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains hosting PDF files. The primary malicious URL is 'https://ttraff.com/pify?keyword=report+deceased+person+facebook', which is likely used to redirect users to a phishing or malware-hosting 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=report+deceased+person+facebook
    • http://files.wimplab.org/uploads/1/3/0/7/130776268/magomiwuzudokib.pdf
    • http://pezaku.starmetallizing.com/uploads/1/3/1/3/131380086/julaz.pdf
    • http://files.babeswithbabesfitness.com/uploads/1/3/0/9/130969751/3b54564bb0555a0.pdf
    • http://kosugi.lucyhollidgedesign.com/uploads/1/3/0/8/130814328/givula.pdf
    • https://cdn.shopify.com/s/files/1/0439/3231/9899/files/maytag_maxima_washer_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/3993/1033/files/watakujotefewujepadug.pdf
    • https://cdn.shopify.com/s/files/1/0434/5944/4896/files/kaluxosonofajivubol.pdf
    • https://cdn.shopify.com/s/files/1/0430/6488/5402/files/75907324396.pdf
    • https://cdn.shopify.com/s/files/1/0432/0047/9391/files/w02m_bridge_rectifier.pdf
    • https://cdn.shopify.com/s/files/1/0437/5884/6109/files/auditoria_interna_concepto.pdf
    • https://cdn.shopify.com/s/files/1/0427/9438/5575/files/66098644115.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34680977850.pdf
    • https://cdn.shopify.com/s/files/1/0431/8131/0114/files/27971431610.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_off00005a4f.bin
d8bb4ed0e2b35decee4222f60df7c9745df8d4b79c820d56ac3c593027258a47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A4F 5068 bytes
font_01_sfnt_off00006b94.bin
9f45f7740afee66046ca230c79399fbcd2644849dd4808ad541e2ea28fbdfddc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B94 9900 bytes
font_02_sfnt_off00008d77.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D77 4324 bytes

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