Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b04edce045f0003…

MALICIOUS

PDF

38.5 KB Created: 2020-08-28 02:02:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72b19fe95c77a9b5b2b0a4edd66b1236 SHA-1: 94d74b5978ed3e74abeddb92d768b837418a33bd SHA-256: 7b04edce045f000363dd1050e36a1d83d8271e067e67cb0cf36844da28dc8d0d
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as 'Soccer training sessions'. This link points to 'ttraff.com', which is flagged as malicious. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to benign Shopify domains. The primary malicious URL is likely intended to lead the user to a phishing or malware distribution site.

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=soccer+training+sessions
    • http://vapigupi.saintgregorysileby.org/uploads/1/3/1/3/131380934/kotebogisarisaf-folijoma-rojugizaj.pdf
    • https://cdn.shopify.com/s/files/1/0432/2574/3515/files/petijinizajazetobanagize.pdf
    • https://cdn.shopify.com/s/files/1/0464/1226/7688/files/48582537812.pdf
    • https://cdn.shopify.com/s/files/1/0436/1990/9794/files/58317750553.pdf
    • https://cdn.shopify.com/s/files/1/0439/1400/2600/files/bncc_job_circular_2019.pdf
    • https://cdn.shopify.com/s/files/1/0436/2030/3006/files/dracopedia_the_bestiary.pdf
    • https://cdn.shopify.com/s/files/1/0431/9186/1410/files/82801937892.pdf
    • https://cdn.shopify.com/s/files/1/0430/7940/1634/files/35102642988.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/bingo_numbers_1_100.pdf
    • https://cdn.shopify.com/s/files/1/0433/4950/8250/files/zubisowiseviwibibuwewipu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18491093394.pdf
    • https://cdn.shopify.com/s/files/1/0435/9038/5823/files/wapikovubotolefize.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_off00005ad4.bin
83f5305f18e6c946efda06f3bc5443df42907df79609a1db0430084f4db84f45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AD4 5036 bytes
font_01_sfnt_off00006bf4.bin
5857b9f5a5ad6ec605b40b8367e6d9b61b2e80daa7a11317ce8f89763a9afcc0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BF4 9848 bytes

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