Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba55b0d5086ff0b8…

MALICIOUS

PDF

41.6 KB Created: 2020-08-13 22:49:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bfd1642e6cfd22f0a8c12ba391a1944 SHA-1: 65f26f74196ef5c7053ba37ab2feb41dcbc4189f SHA-256: ba55b0d5086ff0b8413bb94dba1715f241c728146d802620233a70859a94375f
120 Risk Score

Malware Insights

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

The PDF document contains a lure for "Driver booster pro full version" and embeds numerous links. One of these links, https://ttraff.cc/pify?keyword=driver+booster+pro+full+version, is identified as a malicious redirector. The document's structure and embedded links suggest a phishing or social engineering attack aimed at redirecting users to malicious content.

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=driver+booster+pro+full+version
    • http://kelege.justisville.com/uploads/1/3/1/4/131437423/509e03f0b.pdf
    • http://files.nhldraft.net/uploads/1/3/1/4/131453633/3e68e0e6f937368.pdf
    • http://files.thereadventurer.com/uploads/1/3/1/1/131164350/refebobobede-gapug-wigexakuzagis.pdf
    • http://files.willowsagellc.com/uploads/1/3/1/0/131070993/xedakiviz-nixej-zolire.pdf
    • https://cdn.shopify.com/s/files/1/0433/0350/1989/files/jimuzoj.pdf
    • https://cdn.shopify.com/s/files/1/0439/3353/2315/files/movinarorilinidixefegid.pdf
    • https://cdn.shopify.com/s/files/1/0431/6043/6887/files/86303505283.pdf
    • https://cdn.shopify.com/s/files/1/0433/3410/7286/files/60330281182.pdf
    • https://cdn.shopify.com/s/files/1/0431/4464/2715/files/zoguxelori.pdf
    • https://cdn.shopify.com/s/files/1/0432/9222/9797/files/muvufesosugirub.pdf
    • https://cdn.shopify.com/s/files/1/0434/8231/6957/files/vedikinemegelaku.pdf
    • https://cdn.shopify.com/s/files/1/0428/1804/4063/files/tepomugelenenuzumux.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kekesapenogetiru.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mufuma.pdf
    • https://cdn.shopify.com/s/files/1/0436/4166/7734/files/blogspot_para_descargar_libros_gratis.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_off00006654.bin
a0adcede5720a17d918bffc99e356365b92c0bc8e3d750bac8f14e419a3607e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6654 4884 bytes
font_01_sfnt_off00007708.bin
4a6d1d4ccd51406334feddaacc9ca76e42ad57388d518eca11f4949fe4481360		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7708 10112 bytes

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