Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6ff019e585a01c3…

MALICIOUS

PDF

55.1 KB Created: 2020-08-18 15:00:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 81ac7e5fa5cb0a4ecf7c0aae7bcd3d6c SHA-1: eabbb20cb729f83f406ec6d85228b41c425c1d17 SHA-256: d6ff019e585a01c325e08f95a09d4d53ccfd9468c4540979a73fd85b9685a7fa
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=booter+website+template', which is also flagged as malicious. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content. 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=booter+website+template
    • http://files.anestesia-triveneto.org/uploads/1/3/2/6/132681294/gifoxela.pdf
    • http://rokegad.rootsquaredphotography.com/uploads/1/3/1/6/131637814/gofedagomelelanog.pdf
    • http://files.h3fencing.com/uploads/1/3/0/7/130776371/wakafozulitoki.pdf
    • http://fefaj.naturalfeetfootzonology.com/uploads/1/3/0/7/130739625/nikezifure_fazamemumaf_xeginagulokiso_sasebisumazoja.pdf
    • http://files.inkybluestudio.com/uploads/1/3/1/0/131070579/lewezizizukameduri.pdf
    • https://cdn.shopify.com/s/files/1/0450/2913/0404/files/gads_asperger.pdf
    • https://cdn.shopify.com/s/files/1/0435/0276/4184/files/kokolagigesixafage.pdf
    • https://cdn.shopify.com/s/files/1/0438/2192/4514/files/pdf_to_word_ocr_windows.pdf
    • https://cdn.shopify.com/s/files/1/0432/6083/8050/files/5128601201.pdf
    • https://cdn.shopify.com/s/files/1/0428/7240/6179/files/xliv_roman_numerals.pdf
    • https://cdn.shopify.com/s/files/1/0431/0342/0570/files/85147506392.pdf
    • https://cdn.shopify.com/s/files/1/0431/6053/5196/files/annexure_111_form_6_sample.pdf
    • https://cdn.shopify.com/s/files/1/0435/8127/6319/files/caoutchouc_naturel.pdf
    • https://cdn.shopify.com/s/files/1/0436/9930/6648/files/fisavalimer.pdf
    • https://cdn.shopify.com/s/files/1/0427/9864/5404/files/atkins_quimica_organica.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_off00009993.bin
f3748498daa07f1fed210768a3a40cb369ac79d07fd6d76de3ffa7ea180f86ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9993 5248 bytes
font_01_sfnt_off0000ab5c.bin
795176afc1819da0c35d8e68e983f5332a8405f629f0b63ecdc4db7fb91b2bd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB5C 10760 bytes

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