Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e76aa29eaf1ffa1…

MALICIOUS

PDF

44.6 KB Created: 2020-07-29 22:56:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44c960024b387e84f21d6c2428597384 SHA-1: ee6741020ce37d9c15cb627e2299ecafbc05b800 SHA-256: 9e76aa29eaf1ffa17f4503d0275d1b8aeea50feed808a2193d9b5295b85e5aae
120 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector and part of a link farm. The embedded URL points to a known malicious redirector, ttraff.com, which is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, suggests a lure related to business plans.

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=business+plan+samples+for+food+processing+pdf
    • http://files.katshelter.com/uploads/1/3/0/9/130969474/2b4e9aa64ef.pdf
    • http://files.art-of-jen.com/uploads/1/3/0/7/130739651/nopexesufudukurup.pdf
    • http://files.mrsrossresourceroom.com/uploads/1/3/1/6/131606652/4674703.pdf
    • https://cdn.shopify.com/s/files/1/0430/0396/9689/files/27377897735.pdf
    • https://cdn.shopify.com/s/files/1/0431/2878/3002/files/lutotagix.pdf
    • https://cdn.shopify.com/s/files/1/0432/7286/3904/files/83322008408.pdf
    • https://cdn.shopify.com/s/files/1/0438/1769/7437/files/ritob.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/befuxaj.pdf
    • https://cdn.shopify.com/s/files/1/0434/3873/5512/files/50832651819.pdf
    • https://cdn.shopify.com/s/files/1/0430/6511/4775/files/gumodapase.pdf
    • https://cdn.shopify.com/s/files/1/0434/7058/6022/files/73415847342.pdf
    • https://cdn.shopify.com/s/files/1/0428/9586/8067/files/kedaruxegugabutaroliz.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tujekozovazufurujujazer.pdf
    • https://cdn.shopify.com/s/files/1/0434/5554/5497/files/8177483233.pdf
    • https://cdn.shopify.com/s/files/1/0431/3900/6618/files/worumazebemodami.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_off000070ff.bin
6e0cdfdeb1abfbc4f257141e76e2a0542c2f60cadd16625abf3954dcf5b7b154		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70FF 5328 bytes
font_01_sfnt_off000082f5.bin
33f6b677c05f69d6a0bb9f54954f32b8375a0d317c4ccf8187c9c38d7ad48d08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82F5 10084 bytes

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