Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbfae604c367dd62…

MALICIOUS

PDF

39.9 KB Created: 2020-08-26 23:23:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7f03ce3c047e62f4dc578d7e1bac40a8 SHA-1: e94c1a2e42fb9c9fbace3820cdd7678b362836bc SHA-256: cbfae604c367dd62a00864c806d530eb6ed9e9a437e71f570d295b96623290a6
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.com/pify?keyword=libros+de+historia+universal+pdf, is the primary indicator of malicious intent. While the document body contains garbled text and what appears to be metadata, the presence of this malicious URL strongly suggests a phishing or redirection attempt. 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.com/pify?keyword=libros+de+historia+universal+pdf
    • http://pepek.mhrspl.com/uploads/1/3/1/1/131164250/3dbf7d88f1c.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5476/files/95634857399.pdf
    • https://cdn.shopify.com/s/files/1/0447/0764/3545/files/the_online_piano_tutor.pdf
    • https://cdn.shopify.com/s/files/1/0430/7684/5728/files/different_types_of_nanomaterials.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/81179118822.pdf
    • https://cdn.shopify.com/s/files/1/0428/8331/7926/files/mavufefupevutamaboregik.pdf
    • https://cdn.shopify.com/s/files/1/0430/2556/3799/files/tujuwisaxumuzijisuwobewup.pdf
    • https://cdn.shopify.com/s/files/1/0432/4917/2635/files/1000_albums_to_hear_before_you_die.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_off00005cb6.bin
829b45c8f4e2190653699c9fe99e27600dde9f479f09636094558808ff4555dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CB6 5272 bytes
font_01_sfnt_off00006e9a.bin
33dbf7b8be49a6fc7eb6e2441d677c60a37bb007ef1f91c2e07c359466f7c585		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E9A 11404 bytes

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