Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5894d76f300f4ad…

MALICIOUS

PDF

56.0 KB Created: 2020-08-03 11:14:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 563e57cf7f3ef59b8d1e39599e15febe SHA-1: 0096f8003141bab8a11ebbdadeafd66699ed1326 SHA-256: b5894d76f300f4ad651555e108cba648a97f44efaea0c049fdd2cd5fcb1ab171
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain. This suggests a link farm technique used to obscure the ultimate destination. The primary malicious URL is https://ttraff.cc/wb?keyword=pune%20lonavala%20local%20time%20table%20pdf, which likely serves as a redirector to a malicious payload or phishing page. No scripts were extracted, limiting the analysis of direct execution capabilities.

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/wb?keyword=pune%20lonavala%20local%20time%20table%20pdf
    • http://files.armenianchurchofaustin.net/uploads/1/3/1/4/131438567/4212295.pdf
    • http://files.moodfoodcooking.com/uploads/1/3/0/8/130874029/6251043.pdf
    • http://files.twinlightterracecondos.com/uploads/1/3/0/8/130813409/5620897.pdf
    • https://cdn.shopify.com/s/files/1/0433/1945/9998/files/binutosapalatonobozarirav.pdf
    • https://cdn.shopify.com/s/files/1/0430/9087/0423/files/rodiluv.pdf
    • https://cdn.shopify.com/s/files/1/0433/9938/1146/files/26315267304.pdf
    • https://cdn.shopify.com/s/files/1/0434/4456/8216/files/david_brooks_and_mark_shields.pdf
    • https://cdn.shopify.com/s/files/1/0431/5345/7320/files/dolivab.pdf
    • https://cdn.shopify.com/s/files/1/0437/3191/0821/files/84953636882.pdf
    • https://cdn.shopify.com/s/files/1/0429/7408/5279/files/zeguguru.pdf
    • https://cdn.shopify.com/s/files/1/0431/6708/8800/files/negufuludaxejojexutavobi.pdf
    • https://cdn.shopify.com/s/files/1/0431/8828/9694/files/rumemegafajoxikatokaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/4976/3494/files/xazepefelifazaluwexen.pdf
    • https://cdn.shopify.com/s/files/1/0434/0927/7095/files/70565355004.pdf
    • https://cdn.shopify.com/s/files/1/0431/1344/7577/files/git_bash_profile.pdf
    • https://cdn.shopify.com/s/files/1/0432/4166/8770/files/wezobiwigusekikeparewol.pdf
    • https://cdn.shopify.com/s/files/1/0434/6016/5797/files/laxojenedakugim.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000703a.bin
c090bdde73999426894a2fc43e7aeb0477ba20d3c498d56e2853dcb28770ed7f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x703A 5112 bytes
font_01_sfnt_off00008181.bin
a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8181 1800 bytes
font_02_sfnt_off00008a0e.bin
410e788952a880f871faa79f3c0af7e6a78140b6ce0ac0cb8260f0911825f372		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A0E 10516 bytes
font_03_sfnt_off0000ae55.bin
4f9bddd8120402856594b33adaeac6aa436e26f5eb63b748bf1666df64cd7ce8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE55 16340 bytes
font_04_sfnt_off0000c3ce.bin
781b9fae2fb9201b4a05d2041fea553bb2973f1d011ab9c51e3326c72e342c60		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC3CE 4324 bytes

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