Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e2a9dfb6863db3f…

MALICIOUS

PDF

46.8 KB Created: 2020-08-30 17:20:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ad9e15021f45d137631f795a7874f608 SHA-1: 443fa4df35aa4be45b78b47d2fb90ee16283848a SHA-256: 2e2a9dfb6863db3f5f57fb31c977d70419d34a350fd00f48cce43c288342fb06
150 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, identified as a link farm, designed to direct users to potentially malicious content. The primary heuristic firing indicates a malicious redirector link, specifically `https://ttraff.cc/wix?keyword=food+coloring+flower+experiment+worksheet`, which is the most critical IOC. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.cc/wix?keyword=food+coloring+flower+experiment+worksheet
    • https://static.usrfiles.com/ugd/b8c837_0914cf91d1d74eb097ffca1d1712fcdc.pdf
    • https://static.usrfiles.com/ugd/696b8a_c4017147bfd14e38beb945746fb6a4ec.pdf
    • https://static.usrfiles.com/ugd/cec570_f1bdccc8078d45c8a05a0e3d0dcf2bac.pdf
    • https://cdn.shopify.com/s/files/1/0432/1853/4557/files/acidosis_metabolica_pediatria.pdf
    • https://cdn.shopify.com/s/files/1/0429/9862/8501/files/46748844319.pdf
    • https://cdn.shopify.com/s/files/1/0437/1775/5034/files/autocab_ghost_user_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kujefitil.pdf
    • https://static.usrfiles.com/ugd/b8c837_7298ab926a744f9c8e592a741980f1eb.pdf
    • https://static.usrfiles.com/ugd/ac51ce_1a6828dab3a9400f8539e662145ef7ba.pdf
    • https://static.usrfiles.com/ugd/f14cf6_9ed2967130bb407d99565cf00a779b84.pdf
    • https://cdn.shopify.com/s/files/1/0433/9345/0134/files/ataxia_espinocerebelosa_tipo_7.pdf
    • https://cdn.shopify.com/s/files/1/0429/6353/3977/files/wanafede.pdf
    • https://cdn.shopify.com/s/files/1/0434/4345/4119/files/pokemon_gale_of_darkness_game_downlo.pdf
    • https://cdn.shopify.com/s/files/1/0440/3141/0326/files/81271515724.pdf
    • https://cdn.shopify.com/s/files/1/0440/4926/8886/files/75126517473.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_off00007159.bin
286cf59b1c259d0b9a5e4567c90b3f56b76831eaf6646ded355fc1df3b879bd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7159 5536 bytes
font_01_sfnt_off00008425.bin
159c74d901c220414fa567aa1f7774e35a8aa8d19853e94650a86b76fc8122f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8425 13172 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.