Malicious PDF — malware analysis report

Static analysis result for SHA-256 e66ac333fc42d565…

MALICIOUS

PDF

190.7 KB Created: 2020-08-07 18:53:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 849c96b772647e26ef3767f6bae96266 SHA-1: c8eac14fe8f9ffd3de918c8d14d04d6ab93fe02e SHA-256: e66ac333fc42d5655f8e0a1609ee4b1a03030ab0095c6722a9eaaae398772c68
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a malicious redirector link. The embedded URL points to 'ttraff.ru', which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. The primary goal appears to be redirecting the user to a potentially harmful site.

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.ru/pify?keyword=stalking+jack+the+ripper+pdf+vk
    • http://files.wycombemcctrials.com/uploads/1/3/1/1/131164236/veliri.pdf
    • http://files.capcitysports.net/uploads/1/3/2/6/132681836/7fec56.pdf
    • http://rixufo.sommerflooring.com/uploads/1/3/0/7/130775823/kenovuba_siruxiz_bisenagagarutag_niruleloji.pdf
    • https://cdn.shopify.com/s/files/1/0429/4439/7468/files/babowig.pdf
    • https://cdn.shopify.com/s/files/1/0437/2296/5160/files/adolescent_problems_in_malayalam.pdf
    • https://cdn.shopify.com/s/files/1/0431/2078/7613/files/pifasufitini.pdf
    • https://cdn.shopify.com/s/files/1/0450/7385/8710/files/wave_accounting_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0436/8600/2838/files/99824869481.pdf
    • https://cdn.shopify.com/s/files/1/0448/6312/7714/files/angina_de_pecho_electrocardiograma.pdf
    • https://cdn.shopify.com/s/files/1/0430/9401/6157/files/47771965423.pdf
    • https://cdn.shopify.com/s/files/1/0427/7937/7830/files/basic_job_interview_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/2172/8930/files/laxijusaxotobawejede.pdf
    • https://cdn.shopify.com/s/files/1/0428/2118/9788/files/4058485650.pdf
    • https://cdn.shopify.com/s/files/1/0430/0741/0329/files/keluwifozaluz.pdf
    • https://cdn.shopify.com/s/files/1/0432/7574/7484/files/wubusipelibemugem.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_off0002b5b2.bin
ed491739d7faccdd1cb685904c1ba07cef67b88d4d23a8629973dbc14dcbb520		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B5B2 5544 bytes
font_01_sfnt_off0002c89b.bin
7c9e6e61bee09a2e1c05f0f69d16694ed4d7012f8a785cad7245712567b1442b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C89B 10612 bytes

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