Malicious PDF — malware analysis report

Static analysis result for SHA-256 b53b68f508c802b6…

MALICIOUS

PDF

49.8 KB Created: 2020-09-18 04:14:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 79ffa26367c394b4cb7078d5461bb649 SHA-1: ed07b39e666691a481e0499dafc121ab3baa7e64 SHA-256: b53b68f508c802b677f7b0772756fd57ee1edf77bea294734dd5b839df7b0c73
120 Risk Score

Malware Insights

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

The PDF file was flagged for containing a malicious redirector link and a large number of external links, suggesting a link farm or phishing attempt. The primary malicious URL identified is ttraff.me, which is used to redirect users to potentially harmful content. The document body contains garbled text but also includes the malicious URL and several other PDF links, reinforcing the link farm heuristic.

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.me/wix?keyword=las+cr%25C3%25B3nicas+de+narnia+personajes
    • http://files.florarosatherapies.com/uploads/1/3/1/8/131872055/4659144.pdf
    • http://paxufux.mccombwholesale.com/uploads/1/3/2/6/132682137/624b51f3e72.pdf
    • http://files.lindamkurth.com/uploads/1/3/2/8/132815298/lifud.pdf
    • http://files.swimmingbangkok.com/uploads/1/3/2/6/132695325/puvisamuloluwip-mevozi-jogemamopuki.pdf
    • https://62620412-b93b-44cf-bcee-49ce7e5ac4b5.filesusr.com/ugd/3bbd68_777785931acc4a8da7ac427c9b3b9ae8.pdf?index=true
    • https://13ef9f06-1e82-4aa6-899b-73ddf1b8be83.filesusr.com/ugd/89064d_00be94d3b9b241048fed8c030f71f73a.pdf?index=true
    • https://3eff455a-2c6b-4a78-8554-3a92923474cd.filesusr.com/ugd/76156b_700cbbb5e1b34817ab7277fa75d45d35.pdf?index=true
    • https://d6c161c7-58a0-4a94-a503-cb439055b794.filesusr.com/ugd/fedf23_806580a32d1d46aab2585aa32962d26b.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0483/7864/2581/files/ingram_mac_10_45.pdf
    • https://cdn.shopify.com/s/files/1/0445/9646/1732/files/tefofi.pdf
    • https://cdn.shopify.com/s/files/1/0438/0993/1426/files/70421772739.pdf
    • https://98523af1-20fd-4682-b2c3-cf34c2a22537.filesusr.com/ugd/21e9e0_a08cc183a29e4764970fbc1fe1668d5f.pdf?index=true
    • https://1ea7fe19-32fb-4497-b482-3b9143b5c794.filesusr.com/ugd/1cc777_f54addf2ceee4775a74ba2ee8c02880a.pdf?index=true
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000761f.bin
819620cb34a9d6bec20bdcc40cfbf918ee10b64babb38a294c62e38c3ce3b86c
pdf-font-stream PDF embedded font (sfnt) at offset 0x761F 4896 bytes
font_01_sfnt_off00008680.bin
617d934094092d7f603d1412e002e0313c3c91a047500c9da3e557efb088c4db
pdf-font-stream PDF embedded font (sfnt) at offset 0x8680 10992 bytes
font_02_sfnt_off0000aa66.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333
pdf-font-stream PDF embedded font (sfnt) at offset 0xAA66 4324 bytes