Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a45e302d698edd2…

MALICIOUS

PDF

39.2 KB Created: 2020-08-30 20:15:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4832e83355879ddea3bf2ff31b2f391e SHA-1: 953bc7d038796e641be83df53159211175a17665 SHA-256: 3a45e302d698edd213643c48ee67d75bc21b6eb4202dc35a5a1bfb6c26d12f16
120 Risk Score

Malware Insights

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

The PDF file contains embedded links that redirect to known malicious infrastructure. The document body, though heavily obfuscated, appears to be a lure related to a 'solar powered auto irrigation system project report'. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further stages of an attack.

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/wix?keyword=solar+powered+auto+irrigation+system+project+report
    • https://static.usrfiles.com/ugd/b8c837_5d05a729c1dd4c169673ba417321a4ac.pdf
    • https://static.usrfiles.com/ugd/6cf0f5_443fac836931479ebbd08d26174afc53.pdf
    • https://static.usrfiles.com/ugd/4bdc6d_c06e3aa9c68b4e26b30a9a9ae6a3da59.pdf
    • https://static.usrfiles.com/ugd/b8c837_dd7b245c3f97477db917eeb81f262350.pdf
    • https://static.usrfiles.com/ugd/b8c837_354a95618d324d27ae6063bcd34cfe0b.pdf
    • https://static.usrfiles.com/ugd/32acb1_ced682face324d3b8fad2c2f73c92dc3.pdf
    • https://static.usrfiles.com/ugd/b8c837_c23f1188a5154b8980cb8176da2cb52b.pdf
    • https://static.usrfiles.com/ugd/b8c837_a4391f989f0747ad83aa98cfd1849e2a.pdf
    • https://static.usrfiles.com/ugd/6f7357_479532ee6798493fb3bbe72d822493b8.pdf
    • https://static.usrfiles.com/ugd/b47706_780a8c0356ed44ee93ced25643217c31.pdf
    • https://static.usrfiles.com/ugd/b8c837_07ccc022868442ab9af9b159a8e2e6a3.pdf
    • https://static.usrfiles.com/ugd/3b47cb_731d4bed18b24fbd857aeb86f67c919e.pdf
    • https://static.usrfiles.com/ugd/b8c837_23d4e0d7390145788bea8d2e38bd1cc9.pdf
    • https://static.usrfiles.com/ugd/b8c837_d848dcfe411946d194bb6a3471ffe9de.pdf
    • https://static.usrfiles.com/ugd/b8c837_e83e3481299b4288ad3cabdcf6e33d37.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_off00005a1c.bin
aa19106e153863a36103805fabcd37ed09d5f94b5adee7bdc953db0fbe513471		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A1C 5768 bytes
font_01_sfnt_off00006dbd.bin
529218d5f772234a5f28c0c137217028eaf3d7e48d3540c39652eab12a52b691		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DBD 10156 bytes

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