Malicious PDF — malware analysis report

Static analysis result for SHA-256 dce0b012e7b5fca6…

MALICIOUS

PDF

44.7 KB Created: 2020-08-30 15:40:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6006eb2e70822269a16c1885739f8e8b SHA-1: 561f7eb1a874b9dbe42c597771b4f4138f871d8f SHA-256: dce0b012e7b5fca6511db96cd4034e58ef1847b2aee92262c81aa002eb9cbccb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a link farm and a redirector URL, indicating a phishing or malicious content delivery attempt. The document body text, though corrupted, contains the phrase "Espn draft engine", suggesting a lure to attract users to click on the malicious link. 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.ru/wix?keyword=espn+draft+engine
    • https://static.usrfiles.com/ugd/625844_f308c5ace9b54896a31f5baa85bc12ff.pdf
    • https://static.usrfiles.com/ugd/67e251_81464a7005e84c91be172f46c6f2194f.pdf
    • https://static.usrfiles.com/ugd/36f25b_4ba4b1ca23484a329cdf1e7cabe4a654.pdf
    • https://static.usrfiles.com/ugd/b8c837_6c9a4291edd34b7989248a117f737fd6.pdf
    • https://static.usrfiles.com/ugd/b42fd6_69c71f009d8d4abf87728be908f3492a.pdf
    • https://static.usrfiles.com/ugd/b8c837_3e2cb3b5b63e4742ab0fab769c7a8d8c.pdf
    • https://cdn.shopify.com/s/files/1/0431/5381/7762/files/56686822524.pdf
    • https://cdn.shopify.com/s/files/1/0452/7433/3346/files/16633394884.pdf
    • https://static.usrfiles.com/ugd/57c819_4f1233ec34f1445d9ac7ad2964ca40a3.pdf
    • https://static.usrfiles.com/ugd/b8c837_de08946a9d27462793c77bec0e9c467d.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_off000070ea.bin
0051e5f4aec602e76321b34b5c4028f3268887a640faf4bdcd9a2272f46c290c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70EA 5132 bytes
font_01_sfnt_off00008274.bin
74881ce6d2efbdfd9ab37093960628f590b222af64888b1a0fd6a6f80e5f39d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8274 10700 bytes

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