Malicious PDF — malware analysis report

Static analysis result for SHA-256 218c1f01bcf8edba…

MALICIOUS

PDF

54.6 KB Created: 2020-08-25 12:05:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 750b4671d46d18ad8b69f5b0414ed521 SHA-1: aecc541b4558456992c4784aef9abf1972d00945 SHA-256: 218c1f01bcf8edbabd37285a88eed0ea6351af898801c895e2d937acd2679b9d
140 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm heuristic, with numerous links, many hosted on Shopify. The document body also contains the URL and a callback phishing lure, suggesting a scam or phishing attempt. No scripts were extracted from this sample.

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.com/pify?keyword=rochdale+boroughwide+housing+application+form
    • http://kivik.pressingheavy.com/uploads/1/3/1/0/131071157/doxavowefikilemaf.pdf
    • https://homes.rbh.org.uk/
    • https://cdn.shopify.com/s/files/1/0431/9513/8208/files/65955118361.pdf
    • https://cdn.shopify.com/s/files/1/0430/0305/2191/files/heath_scientific_computing_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0430/9745/6801/files/tilipus.pdf
    • https://cdn.shopify.com/s/files/1/0428/1804/4063/files/tugumedesobitixe.pdf
    • https://cdn.shopify.com/s/files/1/0433/5815/9006/files/twilight_book.pdf
    • https://cdn.shopify.com/s/files/1/0428/2023/9519/files/abundantly_pronunciation_guide.pdf
    • https://cdn.shopify.com/s/files/1/0439/2304/6568/files/bromatologia_e_tecnologia_de_alimentos.pdf
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/gepolevepepolidivumopogij.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_off00009423.bin
b5805db6c8d727789b8ba41cd7c2b4962b6943502e49552a3a83dccea3f5da59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9423 5808 bytes
font_01_sfnt_off0000a7c7.bin
291db51974b777330950c437666352d3c9b4cb8043baae79f3b3ab71d7e3cd69		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7C7 10972 bytes

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