Malicious PDF — malware analysis report

Static analysis result for SHA-256 94c732b5af5a37ff…

MALICIOUS

PDF

34.2 KB Created: 2020-08-06 16:42:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 52389ae0358fc028bcdbedcf1901926e SHA-1: baccc3c6f5b862a38c6e2d431418101b354d98c3 SHA-256: 94c732b5af5a37ff9eead02017f860e6a4668f3d291c07b76c90556c6b0138ca
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, including one to a known malicious redirector at 'ttraff.com'. The document body text and embedded links suggest a lure to download further content, likely malicious. The presence of numerous links, many pointing to Shopify domains, indicates a link farm designed to obscure the ultimate destination and potentially leverage SEO tactics. No scripts were extracted from this sample.

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=heavy+vehicle+technology+books+pdf
    • http://zusiki.tonypeak.net/uploads/1/3/0/7/130739415/9130459.pdf
    • http://files.blogg.allegro-as.no/uploads/1/3/0/7/130775856/damenabuwipezivil.pdf
    • http://files.growpches.com/uploads/1/3/1/3/131380342/2845392.pdf
    • https://cdn.shopify.com/s/files/1/0428/0687/0183/files/91005933238.pdf
    • https://cdn.shopify.com/s/files/1/0436/9340/8409/files/42744858721.pdf
    • https://cdn.shopify.com/s/files/1/0433/0340/3678/files/16369202530.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdf
    • https://cdn.shopify.com/s/files/1/0439/4126/5566/files/28458124629.pdf
    • https://cdn.shopify.com/s/files/1/0438/0524/5597/files/tallentex_answer_key_2020.pdf
    • https://cdn.shopify.com/s/files/1/0433/1791/9909/files/94519777322.pdf
    • https://cdn.shopify.com/s/files/1/0434/1425/7815/files/24531748494.pdf
    • https://cdn.shopify.com/s/files/1/0428/9799/7991/files/tezibalakobaduteruv.pdf
    • https://cdn.shopify.com/s/files/1/0429/8981/3909/files/gebepatibanaguzob.pdf
    • https://cdn.shopify.com/s/files/1/0435/7016/7966/files/post_study_work_visa_nz.pdf
    • https://cdn.shopify.com/s/files/1/0432/2036/9567/files/discord_screen_share_extension.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_off00004737.bin
c35798c8d21a61a47dcf5cb02b3b0f29c8b44d0cea0ac32ac06037b9ea2db81f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4737 5648 bytes
font_01_sfnt_off00005a7f.bin
d749e4ff3fbebba9008f57dc8141940b9b93fe5349867082de8a8cc53012632f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A7F 9760 bytes

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