Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4064b96b1b8df59…

MALICIOUS

PDF

151.6 KB Created: 2020-08-22 16:41:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c1f5ee4e1a7d1068665bd9705d58f25 SHA-1: bbc59ca836306eb28be9f4d2c5751ed9a421ab82 SHA-256: e4064b96b1b8df59ca10540d9891c34234f0cd104bc7dab29169d3246b545429
100 Risk Score

Malware Insights

MITRE ATT&CK
T1204 User Execution T1059 Command and Scripting Interpreter

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to serve a secondary payload. Additionally, the document body instructs the user to copy and paste content into a command-line interface, indicating a social engineering tactic to trick the user into executing commands. The embedded URL is the primary indicator of the 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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=ecco+guidelines+crohn%2527+s+disease+2017
    • http://files.hansenasphalt.com/uploads/1/3/1/4/131453574/668343.pdf
    • http://files.solutionslocker.com/uploads/1/3/0/8/130815014/xitufamavit-lusuvuxifon.pdf
    • http://jigilu.jasontabit.com/uploads/1/3/0/8/130814328/tilapetuj.pdf
    • http://pexobem.musicatmainstreet.com/uploads/1/3/1/3/131384013/nigitamoxudon.pdf
    • https://cdn.shopify.com/s/files/1/0435/4267/5608/files/andrew_wk_party_hard.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdf
    • https://cdn.shopify.com/s/files/1/0431/1482/3844/files/nexarotededufuluje.pdf
    • https://cdn.shopify.com/s/files/1/0440/3711/1973/files/aviso_de_privacidad_formato.pdf
    • https://cdn.shopify.com/s/files/1/0435/7917/9171/files/bwssb_merit_list_2020.pdf
    • https://cdn.shopify.com/s/files/1/0433/9820/1502/files/fluid_catalytic_cracking.pdf
    • https://cdn.shopify.com/s/files/1/0438/5603/5990/files/soccer_hero_apk_day.pdf
    • https://cdn.shopify.com/s/files/1/0437/7129/7943/files/nikopevelonozidupot.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_off00020c17.bin
a07e71c92022e83b3f78a3bb7652fac4fe18aeb4f6aee7d4c303b50f2e8f2f1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20C17 5596 bytes
font_01_sfnt_off00021f23.bin
7fd5ab992e51aad08dc380433bb7ebc8d885c2b3710ee0cbb5daca36f391e2e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x21F23 16244 bytes

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