Malicious PDF — malware analysis report

Static analysis result for SHA-256 4eaa6f9aa63af3ce…

MALICIOUS

PDF

44.5 KB Created: 2020-08-16 23:41:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b21be77d96f1d04fed18ac87656dcf4 SHA-1: 7c50b39cef5b46924262b0a5180635a6f070ec7a SHA-256: 4eaa6f9aa63af3ce9d7849d627d6dd0a5956fa41c62dc4e6837455410871d4ac
200 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1059.003 Windows Command Shell T1059.001 PowerShell

The PDF contains a malicious redirector link that promises cracked software, aiming to trick the user into downloading a payload. The document also explicitly instructs the user to copy and paste content into a shell, suggesting a command execution lure. The presence of a password-protected archive lure indicates an attempt to bypass security controls. The primary malicious URL is https://ttraff.cc/pify?keyword=acunetix+web+vulnerability+scanner+12+crack.

Heuristics 5

  • 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.
  • 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
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=acunetix+web+vulnerability+scanner+12+crack
    • http://files.ieleaders.net/uploads/1/3/0/7/130776718/45c35ab516bd.pdf
    • https://cdn.shopify.com/s/files/1/0437/8758/3650/files/17071216339.pdf
    • https://cdn.shopify.com/s/files/1/0437/8558/4801/files/1611147468.pdf
    • https://cdn.shopify.com/s/files/1/0431/7141/4173/files/87485926910.pdf
    • https://cdn.shopify.com/s/files/1/0427/5830/8006/files/faniwofudifitodum.pdf
    • https://cdn.shopify.com/s/files/1/0431/2186/8960/files/tabefo.pdf
    • https://cdn.shopify.com/s/files/1/0430/0134/8255/files/57413705821.pdf
    • https://cdn.shopify.com/s/files/1/0433/9249/9877/files/36471913180.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32505595602.pdf
    • https://cdn.shopify.com/s/files/1/0429/7385/5903/files/nonolijixugofe.pdf
    • https://cdn.shopify.com/s/files/1/0433/4069/3662/files/4629338972.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_off00006e6c.bin
5f6b0a57ff0d61541ef3d5626514618162f8f192f43c828fa7a0ac209a5fe5e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E6C 5492 bytes
font_01_sfnt_off00008153.bin
f7e206f43f800f2f170e8d560d715bc8246ddf454f27ab8de4089e4740bea6a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8153 10996 bytes

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