Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa5f7d1ee393570e…

MALICIOUS

PDF

41.9 KB Created: 2020-08-19 05:44:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cb1658ac5e6e72f10086c7da60069af SHA-1: 953dfabdcddf747730f180765858695dc46df235 SHA-256: fa5f7d1ee393570e47f25d78b981ba107c90b991beea102ebc2dbfe5a4f6a3ad
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a vehicle transfer declaration form. The primary malicious URL, https://ttraff.cc/pify?keyword=d%25C3%25A9claration+de+cession+de+v%25C3%25A9hicule+pdf, is designed to redirect the user to further malicious content. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various external resources, many of which are hosted on Shopify domains.

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=d%25C3%25A9claration+de+cession+de+v%25C3%25A9hicule+pdf
    • http://files.sigmadevtech.com/uploads/1/3/0/7/130739398/3bad3418d.pdf
    • http://files.debbiepowersauthor.com/uploads/1/3/1/4/131411596/domoris_kewuf_bizilepezus.pdf
    • http://riwaruna.cfcthai.net/uploads/1/3/1/6/131637814/400f95b687c1f28.pdf
    • http://files.columbiadentcenter.com/uploads/1/3/0/9/130969910/jubegonakajij-desagomabof-sateno-pikilolot.pdf
    • http://files.termarkleather.com/uploads/1/3/2/6/132682665/85b01c3aa355523.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13139855908.pdf
    • https://cdn.shopify.com/s/files/1/0445/5153/6799/files/anthropocene_book.pdf
    • https://cdn.shopify.com/s/files/1/0432/2790/6206/files/54885712195.pdf
    • https://cdn.shopify.com/s/files/1/0431/1243/1770/files/70407943708.pdf
    • https://cdn.shopify.com/s/files/1/0435/3510/6203/files/portugues_sem_fronteiras_1.pdf
    • https://cdn.shopify.com/s/files/1/0438/1753/3597/files/advanced_java_tutorialspoint.pdf
    • https://cdn.shopify.com/s/files/1/0431/0489/5143/files/fevar.pdf
    • https://cdn.shopify.com/s/files/1/0428/0729/6163/files/mevurikusasunefijer.pdf
    • https://cdn.shopify.com/s/files/1/0432/6886/6212/files/20304527971.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_off00006205.bin
465ae136b70b9edd80db5e3accfa2478a434e85d4ce0c5b812411353a0bc62b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6205 5444 bytes
font_01_sfnt_off00007449.bin
43f7bb7d205d8c3c8a5776cc7d21f7287dfb64c9a4f68fa5c79176303994c631		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7449 11480 bytes

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