Malicious PDF — malware analysis report

Static analysis result for SHA-256 5243da900e29c078…

MALICIOUS

PDF

122.6 KB Created: 2020-08-03 07:15:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d1b629011537d56825a217db5bfade34 SHA-1: 0009d543caea1b801a2d6c31cb30ecb6d1cebf0a SHA-256: 5243da900e29c07844720fdbd1b57a8a6e1402918db780d546fe5d0483b4c632
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits a PDF link farm, with many links pointing to Shopify domains, likely to obscure the malicious destination. The document body, though heavily obfuscated, contains the same URL found in the redirector heuristic, suggesting an attempt to lure users to malicious content.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=guide+to+federal+pharmacy+law+pdf
    • http://files.honeypotcreativecafe.com/uploads/1/3/1/4/131454286/5478923.pdf
    • http://files.acdavisbass.com/uploads/1/3/0/8/130874029/c68711e.pdf
    • http://files.biyanananta.com/uploads/1/3/2/6/132682110/4795d.pdf
    • http://files.uottawaequestrian.com/uploads/1/3/2/7/132712315/e44fd62c.pdf
    • https://cdn.shopify.com/s/files/1/0433/8227/6250/files/burewesifikutuzi.pdf
    • https://cdn.shopify.com/s/files/1/0438/0390/2112/files/discord_profile_gifs.pdf
    • https://cdn.shopify.com/s/files/1/0437/6556/3549/files/5237778589.pdf
    • https://cdn.shopify.com/s/files/1/0429/2175/4787/files/ditoruwa.pdf
    • https://cdn.shopify.com/s/files/1/0437/4944/1687/files/roll_out_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0431/5856/9115/files/55249725269.pdf
    • https://cdn.shopify.com/s/files/1/0432/5651/2680/files/nedasufanujavikigibager.pdf
    • https://cdn.shopify.com/s/files/1/0432/7381/4182/files/dasasesopetugorexat.pdf
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/tepuwuxonebivivogaw.pdf
    • https://cdn.shopify.com/s/files/1/0437/7614/7607/files/albuquerque_digital_tv_guide.pdf
    • https://cdn.shopify.com/s/files/1/0434/9601/3990/files/wujizojumivetudubowitofo.pdf
    • https://cdn.shopify.com/s/files/1/0430/6986/6141/files/12843041967.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_off0001a649.bin
9df64f45826f62f02c388e3482e7a6ee38d941d3400a41705dac7464b7a9867f
pdf-font-stream PDF embedded font (sfnt) at offset 0x1A649 5440 bytes
font_01_sfnt_off0001b8b8.bin
6483ca9dd4b214b478968beeb24630d2349912c9fd2ab309126e75435f69cb3f
pdf-font-stream PDF embedded font (sfnt) at offset 0x1B8B8 10604 bytes