Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd859651a441f6c1…

MALICIOUS

PDF

41.7 KB Created: 2020-08-29 19:40:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69aee7cbedc588c30c6b6b03bd35c144 SHA-1: 725606d6c7113e0596f9a0869ff1dfd1eef49f25 SHA-256: fd859651a441f6c1a8b80beb2a0c7743503c0f6279699dcea513384d2ee2f2ab
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.cc/wix?keyword=agenda+eramos+tantos+anos, is the primary indicator of malicious intent. This suggests the document is designed to lure the user to a potentially harmful website. No scripts were extracted, limiting further analysis of the payload.

Heuristics 2

  • 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.
  • 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/wix?keyword=agenda+eramos+tantos+anos
    • https://static.usrfiles.com/ugd/9ea9b6_384ceb62350b47c0b7a14abcd146630f.pdf
    • https://static.usrfiles.com/ugd/daca0d_477a81b6d29d45878d26ad985316052b.pdf
    • https://static.usrfiles.com/ugd/b5472a_639d497d5a1f4ba8812bff7897b088df.pdf
    • https://static.usrfiles.com/ugd/b8c837_29e7b3aade4a4eb8bb125d60c744419c.pdf
    • https://static.usrfiles.com/ugd/b8c837_b15a3ae8ae444835aaddf3d67db363c0.pdf
    • https://static.usrfiles.com/ugd/b8c837_8a65298334da4510b6ed68a339334389.pdf
    • https://static.usrfiles.com/ugd/b8c837_99f972d9c7d9437c9f3b7063e3a3e615.pdf
    • https://cdn.shopify.com/s/files/1/0428/2833/3219/files/sisadapogilipona.pdf
    • https://cdn.shopify.com/s/files/1/0433/9230/3254/files/nereluladuvajerenofaba.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_off0000651d.bin
a3c5d86b8fde3797f3397b21799f82d7e0706f9dc0cdc6129c2f10cb5441fc5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x651D 5104 bytes
font_01_sfnt_off0000765e.bin
f966d5c460ba67c8c98a9b8392e872acbc89ce3ea2887aaea9796417231b120c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x765E 11036 bytes

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