Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6262e2f25f3e2bf…

MALICIOUS

PDF

39.6 KB Created: 2020-08-14 16:56:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89b3518d3508f7f4f3d0b0b0053c9417 SHA-1: 26a5fb63572a47498f9b94b34afc507f50f42a26 SHA-256: e6262e2f25f3e2bf7cfa7ce9d551e0b1fe2319abeb7b18870b0eefdd396bf31a
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it links to a known malicious redirector. The embedded URL, 'https://ttraff.ru/wb?keyword=generative%20shape%20design%20tutorial%20pdf', is the primary indicator of malicious intent. This suggests the document is designed to lure users to a compromised or malicious site, likely for further exploitation or credential harvesting.

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/wb?keyword=generative%20shape%20design%20tutorial%20pdf
    • http://files.crescentsigncraft.co.uk/uploads/1/3/2/8/132815367/xuguvipik-guliruba-buvunav.pdf
    • http://xijafeso.peersnetwork.org/uploads/1/3/0/7/130776418/2331258.pdf
    • https://cdn.shopify.com/s/files/1/0429/7146/3831/files/97992316646.pdf
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/dukesotaxukubawegawula.pdf
    • https://cdn.shopify.com/s/files/1/0431/8475/0741/files/convert_to_word_ocr_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/2060/6885/files/free_cover_letter_template_for_finance_manager.pdf
    • https://cdn.shopify.com/s/files/1/0433/7316/6744/files/7791665707.pdf
    • https://cdn.shopify.com/s/files/1/0430/8641/3985/files/ruwepovosofesebisaxigim.pdf
    • https://cdn.shopify.com/s/files/1/0432/9232/8104/files/rebojunaxojimaner.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_off00005b9a.bin
63e934c454ba8cbccfcfd1475cfd73e0bee3bfe3dd39f76ea9ca8401ef0a748e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B9A 5396 bytes
font_01_sfnt_off00006dfe.bin
a6fe7c70f228eecfc30a4ebdd5db50d7d8eb266138609804d4aa2271debc716a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DFE 10648 bytes

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