Malicious PDF — malware analysis report

Static analysis result for SHA-256 a611e39a435854bc…

MALICIOUS

PDF

149.2 KB Created: 2020-09-18 06:45:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88d41f402e7477e4a1ef91f0daeb36a7 SHA-1: 3c477f23e45e3500366a05cb564612a06f679419 SHA-256: a611e39a435854bcee1cabf11deda0e18588c896ddfa0f155f432a812e3df868
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is likely used to deliver a malicious payload. The document body, though heavily obfuscated, contains the URL and keywords that suggest a lure. The primary attack pattern involves redirecting the user to a malicious site under the guise of providing information.

Heuristics 2

  • 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.
  • 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/wix?keyword=warframe+fragments+on+mars
    • http://files.bachcantatachoir.org/uploads/1/3/0/7/130775156/ab68c1ec277f118.pdf
    • http://lufoni.dualsportwomen.com/uploads/1/3/1/1/131163943/9676231.pdf
    • http://files.sambesca.com/uploads/1/3/0/9/130968920/4453791.pdf
    • http://files.espsinc.net/uploads/1/3/1/6/131606111/2107271.pdf
    • http://wafirevot.fiveboroughbucketlist.com/uploads/1/3/2/8/132814742/1376973.pdf
    • http://xojukiko.theangelicdebt.co.uk/uploads/1/3/1/0/131070291/vilakewutuvo.pdf
    • http://fuludap.whiterosesociety.com/uploads/1/3/0/8/130813840/ketisutunulolunapig.pdf
    • http://foxolix.makariosinternational.org/uploads/1/3/1/1/131164439/4be6db47.pdf
    • http://vonusede.unknowncycling.org/uploads/1/3/1/3/131379578/9279061.pdf
    • https://6e72e3b1-39fc-48b9-a92c-e1571bb0d413.filesusr.com/ugd/cdb50c_befb5e57a08c4815b78735428e39b762.pdf?index=true
    • https://b1372c3c-b5c2-4698-b7ad-b87fc7550beb.filesusr.com/ugd/dd6616_9a3de74af440471cb5f3f656fd80a40e.pdf?index=true
    • https://ed728701-bed9-419e-bfec-104b01abfd6b.filesusr.com/ugd/e2c6c1_f45b579b55884917952554f6f5b73005.pdf?index=true
    • https://5a6dce17-1ea3-408c-9bbe-e9845ac0d083.filesusr.com/ugd/fd30ac_d8afe285718a4c0c930771fb8b0fe1b0.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0432/4465/0651/files/ledejatozoladudoguz.pdf
    • https://cdn.shopify.com/s/files/1/0432/2036/9576/files/fate_route_adaptation.pdf
    • https://cdn.shopify.com/s/files/1/0428/3046/3142/files/nasm_cpt.pdf
    • https://cdn.shopify.com/s/files/1/0431/2324/5216/files/49388272972.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_off0001fcf0.bin
3736a7176ad89375a154f393fcef3cc7bcfc6aa3fda1889566973517fbe9295d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FCF0 5068 bytes
font_01_sfnt_off00020e2a.bin
313320922d5cca01184474827e11002558189e5fe1ca4de368f7c9a920911d67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20E2A 10356 bytes
font_02_sfnt_off0002319d.bin
10572f3a10760712fbb8352e098d229fd21f48763f52fb6fd9385479015ceb58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2319D 16060 bytes

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