Malicious PDF — malware analysis report

Static analysis result for SHA-256 966ee3acc6398f63…

MALICIOUS

PDF

46.4 KB Created: 2020-08-25 05:08:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b01a8b489a05d42c2ce558f0d00de70 SHA-1: 942134ca9fe84dba7ac2a58b857f978817743de9 SHA-256: 966ee3acc6398f63bf12927dc847b91c8eb645bfe6efc9e546ca05fdf61fd2af
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing 'South Carolina DMV form 400-d' and the malicious URL, suggesting a lure to trick users into visiting a malicious site. The primary malicious URL is https://ttraff.cc/pify?keyword=south+carolina+dmv+form+400-+d, which likely leads to further 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=south+carolina+dmv+form+400-+d
    • http://sijotexun.graceforthebroken.org/uploads/1/3/2/6/132695780/vexemawepogu.pdf
    • http://nuzasekuw.christinadori.com/uploads/1/3/1/4/131438392/bilukesipapivop.pdf
    • https://cdn.shopify.com/s/files/1/0431/4690/3701/files/23310717736.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32505595602.pdf
    • https://cdn.shopify.com/s/files/1/0433/9115/6380/files/appointment_request_letter_for_business_meeting.pdf
    • https://cdn.shopify.com/s/files/1/0431/7963/8942/files/guxefilamijilowabegubixes.pdf
    • https://cdn.shopify.com/s/files/1/0433/7857/3475/files/fulirosezaveroxulam.pdf
    • https://cdn.shopify.com/s/files/1/0436/3098/5376/files/47612367552.pdf
    • https://cdn.shopify.com/s/files/1/0431/8311/2341/files/11194098202.pdf
    • https://cdn.shopify.com/s/files/1/0428/4622/4551/files/effects_of_colonialism_in_africa.pdf
    • https://cdn.shopify.com/s/files/1/0429/9236/9823/files/92967544112.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_off00006e6e.bin
b87e5ec23ff0b5f53451502306d25e819d6534e03bfb03446079d2f1d51619c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6E 5508 bytes
font_01_sfnt_off0000810c.bin
5c8ef42802affd6b307c6396316b045dcbed80d2e0bf26bfd1f1f0e4736c3277		 pdf-font-stream PDF embedded font (sfnt) at offset 0x810C 13824 bytes

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