Malicious PDF — malware analysis report

Static analysis result for SHA-256 a02fb287b14e0c7d…

MALICIOUS

PDF

42.7 KB Created: 2020-08-29 22:48:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ebc54dc1e39c8e78ee06e5b60f661db1 SHA-1: 50f358e6f697cdf820b2561b5cb67879f1d637af SHA-256: a02fb287b14e0c7d7b2f692ba6c551cd9ae586a0cd96d00eb76db2c0a5fee4a7
130 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious intent, including a link to a known malicious redirector and a link farm designed for SEO manipulation. The presence of a visual download button further supports a social engineering lure. The primary malicious URL identified is https://ttraff.ru/wix?keyword=insanity+fast+and+furious+download+f, which likely serves as the initial point of contact for delivering a payload.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=insanity+fast+and+furious+download+f
    • https://static.usrfiles.com/ugd/2c608b_166abe402a934ea4913f3625918fed06.pdf
    • https://static.usrfiles.com/ugd/b8c837_ea6993ee717a4ae3825905e4c241461b.pdf
    • https://static.usrfiles.com/ugd/b8c837_4f4d10fadc8d46719750554383c70777.pdf
    • https://static.usrfiles.com/ugd/b8c837_2c4fbff500254baba09aa758478a7b04.pdf
    • https://static.usrfiles.com/ugd/05900a_be37868b6afa4dcbbdb733bdeb67d2de.pdf
    • https://static.usrfiles.com/ugd/8b9728_d78a97170c584b4188fe1fc5ec7ac2d4.pdf
    • https://static.usrfiles.com/ugd/b8c837_b791972170c8475b940e8e287c149e54.pdf
    • https://static.usrfiles.com/ugd/b8c837_0f14f3c6ac4b44149e830a109770851b.pdf
    • https://static.usrfiles.com/ugd/b8c837_99bcdb78347c48549217c47934f598b3.pdf
    • https://static.usrfiles.com/ugd/b8c837_5d676fac3c16416daff89c9e793e820e.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_off000064ce.bin
8ebf1b4cd1ea36350539b1d80f7e7a872141ef4b162803100338cd046d52a402		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64CE 5032 bytes
font_01_sfnt_off00007608.bin
b3988118d25bd2f5cba2c431c86ecac6304b5eaf37ac3655f4448842e5e6f78f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7608 12544 bytes

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