Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb1e3d69165ed0f1…

MALICIOUS

PDF

42.3 KB Created: 2020-08-31 10:30:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8da6a48333bc19e0db849cde3b413c54 SHA-1: e582e7d7555bbaeb3d4550c93674b3939aa12e7a SHA-256: bb1e3d69165ed0f18e0ee3eca6ffd24731bdb92e138375f69ac8bd0ca8f291e3
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1566.002 Spearphishing Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=tango+live+private+download'. Additionally, it exhibits a PDF link farm, with many links hosted on cdn.shopify.com, suggesting an attempt to distribute or obscure malicious content. The presence of a visual download button lure further supports the malicious intent.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=tango+live+private+download
    • https://cdn.shopify.com/s/files/1/0432/3491/8558/files/47888641650.pdf
    • https://cdn.shopify.com/s/files/1/0437/3171/4199/files/dexemivivejik.pdf
    • https://cdn.shopify.com/s/files/1/0463/2667/7665/files/midajifunanumelofug.pdf
    • https://cdn.shopify.com/s/files/1/0464/7855/7352/files/zutawitebosedaf.pdf
    • https://cdn.shopify.com/s/files/1/0448/1200/9634/files/the_cask_of_amontillado_sparknotes.pdf
    • https://cdn.shopify.com/s/files/1/0433/7090/5756/files/40072814897.pdf
    • https://cdn.shopify.com/s/files/1/0463/8857/6411/files/tw_attila_eastern_roman_empire_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8402105605.pdf
    • https://static.usrfiles.com/ugd/44b221_f684db3cb295403e8cc98271149e62bb.pdf
    • https://static.usrfiles.com/ugd/be19e1_1ea12ca7704342d2be78cebeb32ddac6.pdf
    • https://cdn.shopify.com/s/files/1/0445/5071/7604/files/awl_vocabulary_list.pdf
    • https://cdn.shopify.com/s/files/1/0429/2568/6951/files/10321723281.pdf
    • https://cdn.shopify.com/s/files/1/0430/7235/6514/files/2006_honda_civic_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/7940/1634/files/antennas_and_wave_propagation_lecture_notes.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_off00006669.bin
d17148a140013171e5fd726a2643ed972a62f83496a2ad8611653ba94bfefaf3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6669 5052 bytes
font_01_sfnt_off000077bc.bin
6cb1895d0323470012b0303149d46b2bc1ffb8a6e62a0e2c7e6651bb00dd1c37		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77BC 10876 bytes

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