Malicious PDF — malware analysis report

Static analysis result for SHA-256 d48e93e8ad8d0e61…

MALICIOUS

PDF

34.0 KB Created: 2020-08-18 15:32:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 91f4424e57b74b6088fe0125fd636ea3 SHA-1: b63d5e8c54aaf2bd208eff65a1033ae212a674c0 SHA-256: d48e93e8ad8d0e61d38d4cf26200fa2fdb14a125e06535bd81306311a29194a0
120 Risk Score

Malware Insights

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

The PDF document contains a link farm designed to appear as a repair manual, but the primary link redirects to a known malicious domain (ttraff.com). This indicates a likely phishing or malware distribution attempt. The document body itself is heavily obfuscated and contains the malicious URL, reinforcing the malicious intent. 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=1999+chevy+tracker+repair+manual+pdf
    • http://files.lincolnheightsbaptistchurch.com/uploads/1/3/0/7/130776817/30310.pdf
    • http://niwuzo.champsinhaiti.org/uploads/1/3/0/8/130814788/6327704.pdf
    • https://cdn.shopify.com/s/files/1/0431/4490/4855/files/toa_attenuator.pdf
    • https://cdn.shopify.com/s/files/1/0437/4387/1128/files/zetakagig.pdf
    • https://cdn.shopify.com/s/files/1/0432/4841/8973/files/gotorovabomuz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80278007767.pdf
    • https://cdn.shopify.com/s/files/1/0436/9462/0837/files/mavizegoji.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vatajimawi.pdf
    • https://cdn.shopify.com/s/files/1/0438/9378/4728/files/lemawoxugenukenanivasu.pdf
    • https://cdn.shopify.com/s/files/1/0446/0537/4628/files/73569944906.pdf
    • https://cdn.shopify.com/s/files/1/0432/7361/7576/files/27653093257.pdf
    • https://cdn.shopify.com/s/files/1/0432/1617/5263/files/83126182363.pdf
    • https://cdn.shopify.com/s/files/1/0431/7465/8216/files/46473763307.pdf
    • https://cdn.shopify.com/s/files/1/0432/7797/5717/files/vumulab.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_off00004686.bin
9f957939e677c13bf4135797006de51c0433a0b4ef6e01e9673222dad6aad6d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4686 5556 bytes
font_01_sfnt_off0000595e.bin
e9e667336b491030fd6bc47ada1c140b500bfd0053b17db9f79bb8d79f208051		 pdf-font-stream PDF embedded font (sfnt) at offset 0x595E 9928 bytes

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