Malicious PDF — malware analysis report

Static analysis result for SHA-256 b287747f88c04fcb…

MALICIOUS

PDF

39.3 KB Created: 2020-08-14 18:02:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41030944c5abc4a3c944c800cdc6ebd5 SHA-1: a1bff846d018d8b6baa2b58b9f9134ddbafb5a83 SHA-256: b287747f88c04fcb490bc09809cacb562854066342abc7814a775b757cf8ed74
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The primary malicious URL is https://ttraff.cc/pify?keyword=ignition+system+diagram+pdf, which likely serves as a gateway to further malicious content or phishing pages. The document body, though heavily obfuscated, contains references to the malicious URL and other benign-looking PDF links, suggesting a social engineering lure to disguise the malicious intent.

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.cc/pify?keyword=ignition+system+diagram+pdf
    • http://files.paiboon.biz/uploads/1/3/1/4/131406762/1208977.pdf
    • https://cdn.shopify.com/s/files/1/0435/0902/2886/files/10678825294.pdf
    • https://cdn.shopify.com/s/files/1/0436/5425/0654/files/the_seven_chakras_book.pdf
    • https://cdn.shopify.com/s/files/1/0427/8065/5775/files/96036419089.pdf
    • https://cdn.shopify.com/s/files/1/0434/1812/4445/files/50526218510.pdf
    • https://cdn.shopify.com/s/files/1/0435/0876/0735/files/escala_cromatica_sax_alto_mib.pdf
    • https://cdn.shopify.com/s/files/1/0433/4141/4552/files/kazebibitu.pdf
    • https://cdn.shopify.com/s/files/1/0432/9462/1862/files/borasadob.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7405/files/wasezilirudikenuso.pdf
    • https://cdn.shopify.com/s/files/1/0435/9127/0563/files/93485550494.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37357510366.pdf
    • https://cdn.shopify.com/s/files/1/0434/6662/1094/files/28961445117.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_off00005d58.bin
3a13eaede102a029aa7314728f24c4dac67b7b56f45393a412abb2c80421d743		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D58 5368 bytes
font_01_sfnt_off00006f8a.bin
372aaec86d0f7ec629d84d920a2e0623b2eadf15b08e1d4b471ce9155a0b874c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F8A 9764 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.