Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e4ea0b1459478ef…

MALICIOUS

PDF

54.9 KB Created: 2020-08-21 01:49:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ce5cb7e3dff3b86b36836ffa1aa8d13 SHA-1: 293530d0aed5c68ec31546c630dff5c208386bf4 SHA-256: 9e4ea0b1459478efd339eaa2c60320587627ef50dd4fec451816431c4c6db537
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically disguised as a Minecraft download. The embedded URL 'https://ttraff.cc/pify?keyword=minecraft++mac+1.+14.+4' is the primary indicator of this malicious intent. The document body, though heavily obfuscated, also contains this URL, reinforcing the lure. The file's purpose is to redirect users to potentially harmful content.

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/pify?keyword=minecraft++mac+1.+14.+4
    • http://files.airelectric.co/uploads/1/3/0/7/130775977/72ae59.pdf
    • https://cdn.shopify.com/s/files/1/0428/8171/2287/files/18215791115.pdf
    • https://cdn.shopify.com/s/files/1/0433/1651/0873/files/xxx_password_hacked-_xxx._com.pdf
    • https://cdn.shopify.com/s/files/1/0432/1142/3902/files/2384165173.pdf
    • https://cdn.shopify.com/s/files/1/0432/1129/2829/files/bosevapilojofe.pdf
    • https://cdn.shopify.com/s/files/1/0436/8649/4361/files/chemistry_lab_apparatus_and_uses.pdf
    • https://cdn.shopify.com/s/files/1/0451/1858/7033/files/flyer_layout_template_design.pdf
    • https://cdn.shopify.com/s/files/1/0430/8946/1402/files/meridutek.pdf
    • https://cdn.shopify.com/s/files/1/0430/0849/1673/files/21062003157.pdf
    • https://cdn.shopify.com/s/files/1/0429/6402/5493/files/12696219695.pdf
    • https://cdn.shopify.com/s/files/1/0431/6043/6887/files/start_android_emulator_without_starting_android_studio.pdf
    • https://cdn.shopify.com/s/files/1/0431/7675/5349/files/business_communication_process_product_brief.pdf
    • https://cdn.shopify.com/s/files/1/0428/1604/5222/files/xomegaxafedag.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_off00009934.bin
0e71b9dabc800dad41b75dae24619895f7663a7e551ff98705f0d9a335c47764		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9934 4996 bytes
font_01_sfnt_off0000aa26.bin
60cb1d2b23f75bc17ba7182abeb613a49bae8f602d15b489ea5d047c1a785bc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA26 10720 bytes

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