Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e1e955c91fd94ff…

MALICIOUS

PDF

39.8 KB Created: 2020-08-05 17:45:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3afe18239e4b3bd3a873383b539f6d10 SHA-1: fceceea91a9cccc730587e92f6476d64ea7db030 SHA-256: 3e1e955c91fd94ff7b9573c1a38fb7532450b052e1c9a7f3c5f8d5b1aef7e157
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.ru, disguised as a search result for a product manual. This indicates a phishing or scam attempt. The document body, though heavily obfuscated, contains the target URL and references to other URLs hosted on Shopify, suggesting a link farm or redirection strategy. No scripts were extracted, limiting the analysis of further execution chains.

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.ru/pify?keyword=bosch+maxx+5+washing+machine+manual+pdf
    • http://files.stevejackowski.com/uploads/1/3/1/1/131164312/xabowejusapetaxamor.pdf
    • http://files.outoftimedesigns.com/uploads/1/3/2/7/132741352/semerowuvipuwam_zematek_jemelasivud.pdf
    • http://files.mayfieldwomensclubofwc.org/uploads/1/3/1/0/131071043/6e4b0f42a668.pdf
    • http://dopos.cabinetsourcing.com/uploads/1/3/0/9/130969060/3270489.pdf
    • https://cdn.shopify.com/s/files/1/0430/0144/6551/files/29252714569.pdf
    • https://cdn.shopify.com/s/files/1/0431/8386/6007/files/20009889491.pdf
    • https://cdn.shopify.com/s/files/1/0432/7650/1147/files/weguxexad.pdf
    • https://cdn.shopify.com/s/files/1/0435/5663/4785/files/91714060857.pdf
    • https://cdn.shopify.com/s/files/1/0430/5027/0869/files/xumugusover.pdf
    • https://cdn.shopify.com/s/files/1/0428/1679/8883/files/arizer_extreme_q_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/9432/7961/files/human_body_systems_foldable.pdf
    • https://cdn.shopify.com/s/files/1/0436/1519/1202/files/bukeronuji.pdf
    • https://cdn.shopify.com/s/files/1/0435/6567/8755/files/wisexesupokipebikut.pdf
    • https://cdn.shopify.com/s/files/1/0432/6345/9496/files/2002_buel_blast.pdf
    • https://cdn.shopify.com/s/files/1/0432/1165/3279/files/44420184675.pdf
    • https://cdn.shopify.com/s/files/1/0439/8769/7822/files/15751961017.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_off00005674.bin
bc0da20bf182282e8dfa38e22cd04f18c9248006be247cb12d857cb0c65e5b07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5674 5804 bytes
font_01_sfnt_off00006a3b.bin
1bc81d59f5ec59a3550fe715727f44e42ad8ccf8a404823ae084fbe936e94364		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A3B 11964 bytes

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