Malicious PDF — malware analysis report

Static analysis result for SHA-256 93c2ca11bb653d63…

MALICIOUS

PDF

49.3 KB Created: 2020-08-24 07:07:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41a57123829f822b2f6e1b35e1fe576d SHA-1: 5777a85f405fe4c99f17da5877c75400b327ec99 SHA-256: 93c2ca11bb653d6399801724fb47daec8e270be803d5363d280951c0389a21d7
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, includes text related to 'genetically modified food pros and cons pdf' and the malicious URL. The primary malicious URL, https://ttraff.com/pify?keyword=genetically+modified+food+pros+and+cons+pdf, is designed to redirect users, likely to a phishing or malware distribution site. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to obscure the malicious intent.

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.com/pify?keyword=genetically+modified+food+pros+and+cons+pdf
    • http://tuman.yossikotlerdesign.com/uploads/1/3/2/7/132740978/kufanavopuzixa-ligemifegoros-wizosifen.pdf
    • http://files.mobowlusa.com/uploads/1/3/1/8/131857315/4425713.pdf
    • https://cdn.shopify.com/s/files/1/0431/6659/7288/files/dodarorebup.pdf
    • https://cdn.shopify.com/s/files/1/0431/7826/2692/files/56572085863.pdf
    • https://cdn.shopify.com/s/files/1/0432/9812/8036/files/mizo_customary_law.pdf
    • https://cdn.shopify.com/s/files/1/0453/2230/5691/files/physics_textbook_high_school.pdf
    • https://cdn.shopify.com/s/files/1/0435/4893/4295/files/72422742271.pdf
    • https://cdn.shopify.com/s/files/1/0437/7529/5640/files/vimugojolexijen.pdf
    • https://cdn.shopify.com/s/files/1/0435/3916/9429/files/dowitukepisepujeteputiz.pdf
    • https://cdn.shopify.com/s/files/1/0431/6535/2093/files/5280607651.pdf
    • https://cdn.shopify.com/s/files/1/0460/3959/7220/files/derabusozol.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_off00008311.bin
95d814ae08bafbbee4c8e6b906a99c3959f8dc325897535b142c7d8b796c1ca9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8311 5436 bytes
font_01_sfnt_off00009582.bin
820003149f91b249d5de98714330b5255e9eb4ed073d96c6daac4c34741af6fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9582 10272 bytes

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