Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3d25f287f284af4…

MALICIOUS

PDF

43.7 KB Created: 2020-08-03 06:05:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cf5abedfb0ce083667f89c472b8f617 SHA-1: 31161b1a9608b226ea7320d4a0640a90eaf03a63 SHA-256: c3d25f287f284af4f158b28718506b631d688e584ba105ee928e39a6830441f5
120 Risk Score

Malware Insights

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

The PDF file contains a link farm and a specific malicious redirector URL, disguised as a free movie offer. The primary malicious URL, 'https://ttraff.com/pify?keyword=watch+the+princess+bride+online+free', is designed to redirect users to potentially harmful content. The presence of numerous Shopify links suggests an attempt to blend in with legitimate content while distributing the malicious payload.

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=watch+the+princess+bride+online+free
    • http://files.bluhsky.com/uploads/1/3/1/3/131398560/voxefuji-tonapufisizela.pdf
    • http://files.nwenergy.co.uk/uploads/1/3/1/8/131856446/beb49bf2f057834.pdf
    • http://files.optiki.bg/uploads/1/3/2/7/132740378/ximoruzekorawaxolu.pdf
    • https://cdn.shopify.com/s/files/1/0429/0763/1783/files/70908640117.pdf
    • https://cdn.shopify.com/s/files/1/0429/4210/3719/files/76137183193.pdf
    • https://cdn.shopify.com/s/files/1/0433/7152/8344/files/80497088825.pdf
    • https://cdn.shopify.com/s/files/1/0435/6171/3813/files/fadalimol.pdf
    • https://cdn.shopify.com/s/files/1/0433/3443/4974/files/59440024422.pdf
    • https://cdn.shopify.com/s/files/1/0430/3536/1442/files/2004989068.pdf
    • https://cdn.shopify.com/s/files/1/0434/4106/2040/files/if_true_python.pdf
    • https://cdn.shopify.com/s/files/1/0437/0631/9001/files/joxinosukuromolewolevoji.pdf
    • https://cdn.shopify.com/s/files/1/0437/8152/1560/files/30499109129.pdf
    • https://cdn.shopify.com/s/files/1/0437/5294/7863/files/revazewoledusevumizis.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gegexovikorojirokelaxedu.pdf
    • https://cdn.shopify.com/s/files/1/0432/2597/2904/files/tabamodamalutosenini.pdf
    • https://cdn.shopify.com/s/files/1/0429/5802/8959/files/24047683704.pdf
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/11046347471.pdf
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/vijegoponoxovuvasowi.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_off00006aab.bin
592cdba49dd1c8ba52d48c3feaf16582737e9f842f12483e7319b4046f573abd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AAB 5396 bytes
font_01_sfnt_off00007d01.bin
9ded89750a43bf7c8485176c75bbb4d80a3d80332ae3d30d2d9ea8c12596f57f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D01 10820 bytes

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