Malicious PDF — malware analysis report

Static analysis result for SHA-256 e717a59e11e72726…

MALICIOUS

PDF

41.4 KB Created: 2020-08-03 09:15:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1828ddf9f91f0aa117d35f734fc8ffb6 SHA-1: 5828cfeceb7540872c45a12b66a09f5ade4271ee SHA-256: e717a59e11e72726ed754bb53364310b1701477c34dfc3dbeb3d6e31238ba22f
140 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic indicates a malicious redirector link to 'ttraff.cc', suggesting a redirection chain to a malicious site. The document body, though heavily obfuscated, contains the same malicious URL. The presence of a callback lure heuristic further supports a phishing or scam-related attack pattern.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=berger+bullets+reloading+manual+pdf
    • http://files.flagstaffsnewhomesforsale.com/uploads/1/3/0/8/130873804/6d4ae20.pdf
    • http://files.paraglidinginkorea.com/uploads/1/3/1/6/131637881/jewijowo.pdf
    • http://files.theboxdonut.ca/uploads/1/3/1/3/131383698/8e880b8.pdf
    • http://files.lacindra.com/uploads/1/3/1/4/131453684/1550877.pdf
    • https://cdn.shopify.com/s/files/1/0434/4053/7750/files/78874362976.pdf
    • https://cdn.shopify.com/s/files/1/0428/3557/4943/files/46870380521.pdf
    • https://cdn.shopify.com/s/files/1/0432/2725/0848/files/rulidegikexupifididuxo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0637/7632/files/72371487853.pdf
    • https://cdn.shopify.com/s/files/1/0431/8219/4852/files/41575416702.pdf
    • https://cdn.shopify.com/s/files/1/0431/0256/8599/files/43340391109.pdf
    • https://cdn.shopify.com/s/files/1/0431/1865/7703/files/kixabaroxiw.pdf
    • https://cdn.shopify.com/s/files/1/0437/8856/6677/files/buwuvudupuvepisot.pdf
    • https://cdn.shopify.com/s/files/1/0433/3345/1944/files/53461332311.pdf
    • https://cdn.shopify.com/s/files/1/0434/6337/7048/files/4245611647.pdf
    • https://cdn.shopify.com/s/files/1/0436/1040/7069/files/1_to_1000000_copy_and_paste.pdf
    • https://cdn.shopify.com/s/files/1/0431/6289/4495/files/22288954237.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_off00005e4a.bin
c04a84f32330d1f0b8207784a6d72f8f68c9b87b262c16c31913e7c8ba8d2dbf
pdf-font-stream PDF embedded font (sfnt) at offset 0x5E4A 5552 bytes
font_01_sfnt_off00007113.bin
22fc118b91532f299548fa7d01e74bf8ed91f3b706546960362ba6dca6f91977
pdf-font-stream PDF embedded font (sfnt) at offset 0x7113 12300 bytes