Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1f56ff465b2be62…

MALICIOUS

PDF

70.8 KB Created: 2020-09-03 06:59:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e9d19173fe7f58b75889100de5d8614 SHA-1: 39c562560011a046d7c67d240c08f27c49e94a7a SHA-256: b1f56ff465b2be62618129f20d1d884f2d9e60da2be29683858197eb3e8d978e
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.link/wix?keyword=hindustan+unilever+annual+report+analysis'. This URL is embedded within the document's body text, suggesting a social engineering lure disguised as an annual report analysis. The file also exhibits characteristics of a link farm, with numerous external PDF links, indicating an attempt to distribute malicious content or engage in SEO manipulation. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of 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.link/wix?keyword=hindustan+unilever+annual+report+analysis
    • https://static.usrfiles.com/ugd/26481d_90fda302415d49228bee49d36f8fd8c8.pdf
    • https://static.usrfiles.com/ugd/0047a4_ff00ecee3ad74b2aac048c446774b47b.pdf
    • https://static.usrfiles.com/ugd/82e28d_fffecb5187f949e582dc8c495c3b6718.pdf
    • https://static.usrfiles.com/ugd/0baf77_9dc2a537b95a42838b9b58b3d7141784.pdf
    • https://static.usrfiles.com/ugd/55f640_7bdbe0a5e87a41f4a29bdaaebc0d38d6.pdf
    • https://static.usrfiles.com/ugd/e948c1_e7767b4c02d142dfad9c14e8bdc488c6.pdf
    • https://static.usrfiles.com/ugd/8c0e65_df6d188e246d4c5db9b8b925634fd1e7.pdf
    • https://cdn.shopify.com/s/files/1/0435/0912/1184/files/pambansang_bayani_ng_pilipinas.pdf
    • https://cdn.shopify.com/s/files/1/0430/1560/2339/files/folesit.pdf
    • https://cdn.shopify.com/s/files/1/0428/9986/5756/files/halloween_coloring_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0433/9797/2135/files/siwenevuse.pdf
    • https://cdn.shopify.com/s/files/1/0431/1321/8199/files/bowubatebitujijis.pdf
    • https://cdn.shopify.com/s/files/1/0429/3335/4659/files/xuzisejimesozutomav.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_off0000cdfb.bin
210f4e28972165e722750a60f0b6c91f0917fee88b5a6c59ffbcfc213d505b90		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCDFB 5076 bytes
font_01_sfnt_off0000df56.bin
32e8206b80b742d9ef00f50f5584784db949b812da4112f7174ee32851613d7b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF56 15008 bytes

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