Malicious PDF — malware analysis report

Static analysis result for SHA-256 cca9709733c1dc0b…

MALICIOUS

PDF

36.9 KB Created: 2020-08-03 13:32:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ebf7acd0901750a0dca7f983807b437e SHA-1: b51baf719bc4c21c3cf7e54dce2143debca1c02c SHA-256: cca9709733c1dc0b5a6f9280d9696de99b8f8197ccb85573cd239880d39948eb
162 Risk Score

Malware Insights

MITRE ATT&CK
T1204.001 Malicious Link T1566.002 Spearphishing Attachment

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=compendium+of+the+emerald+tablets+pdf+billy+carson'. It also exhibits a link farm pattern, with numerous external PDF links, many hosted on Shopify. The document body suggests a social engineering lure, instructing the user to install a browser extension or update to view content. This combination indicates a likely attempt to trick the user into visiting a malicious site, potentially for credential theft or further malware delivery.

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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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=compendium+of+the+emerald+tablets+pdf+billy+carson
    • http://files.seatbeltsociety.org/uploads/1/3/0/8/130813132/javosatazofisulona.pdf
    • http://files.searosestudios.com/uploads/1/3/0/8/130813526/e9cccf6.pdf
    • http://files.claretianassociates.org/uploads/1/3/1/6/131637529/5707746.pdf
    • https://cdn.shopify.com/s/files/1/0430/9814/4932/files/xazubifop.pdf
    • https://cdn.shopify.com/s/files/1/0438/0118/2370/files/34519240771.pdf
    • https://cdn.shopify.com/s/files/1/0433/2558/7610/files/meverijakulufobo.pdf
    • https://cdn.shopify.com/s/files/1/0439/2825/6680/files/45803451420.pdf
    • https://cdn.shopify.com/s/files/1/0427/7898/4614/files/4766051859.pdf
    • https://cdn.shopify.com/s/files/1/0430/8379/2545/files/feather_falling_minecraft.pdf
    • https://cdn.shopify.com/s/files/1/0430/7881/1797/files/tibeku.pdf
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/mexotizaxovexo.pdf
    • https://cdn.shopify.com/s/files/1/0429/2539/2035/files/96442066485.pdf
    • https://cdn.shopify.com/s/files/1/0431/2753/7828/files/87121441105.pdf
    • https://cdn.shopify.com/s/files/1/0431/2226/2178/files/tosedadivowafisat.pdf
    • https://cdn.shopify.com/s/files/1/0433/4980/3166/files/75087991375.pdf
    • https://cdn.shopify.com/s/files/1/0437/6104/1559/files/treasure_trails_coordinates.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_off00004a03.bin
00d24abb509e0c337644f3e5541e5d391983771f6863201a10104dc0d9c9a01f
pdf-font-stream PDF embedded font (sfnt) at offset 0x4A03 5540 bytes
font_01_sfnt_off00005cac.bin
11c85ad24568b364fb0009cde56285808751b8692113451e6833ba57dc876b35
pdf-font-stream PDF embedded font (sfnt) at offset 0x5CAC 13256 bytes