Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd349d03f22d0eb7…

MALICIOUS

PDF

41.7 KB Created: 2020-08-23 02:19:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c71346da04fe3c6094aecca080eea91 SHA-1: f60c742211e607f6aa3bfefc3f0b47cd80852193 SHA-256: dd349d03f22d0eb70ffb01b638a2965704f6c992f4ca72d5236336167ff76deb
120 Risk Score

Malware Insights

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

The PDF document contains a lure related to a movie title and exhibits characteristics of a link farm, with numerous embedded URLs. One critical heuristic indicates a link to known malicious redirector infrastructure, specifically 'ttraff.cc'. The document body, though heavily obfuscated, contains the same movie-related lure and the malicious URL. The presence of many links, including one pointing to a malicious redirector, suggests an attempt to lead the user to harmful content.

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.cc/pify?keyword=after+the+sunset+2004+movie+free
    • http://sijifoz.krisjanrossouw.com/uploads/1/3/1/0/131070401/4418619.pdf
    • http://files.afpneia.org/uploads/1/3/1/3/131383934/5844079.pdf
    • http://files.fairhavenprek8lmc.com/uploads/1/3/1/3/131380773/muvur.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gidawibozifuniji.pdf
    • https://cdn.shopify.com/s/files/1/0437/8827/1777/files/safari_history_timestamp.pdf
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/mitsubishi_fuso_parts_catalog.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7407/files/damineremadawunokamuje.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/57368110076.pdf
    • https://cdn.shopify.com/s/files/1/0433/4606/7621/files/rasizimizekemawixeronavow.pdf
    • https://cdn.shopify.com/s/files/1/0433/7709/8910/files/18457822156.pdf
    • https://cdn.shopify.com/s/files/1/0430/9480/2581/files/sapuwebabebokikunikubew.pdf
    • https://cdn.shopify.com/s/files/1/0439/9231/8110/files/ronig.pdf
    • https://cdn.shopify.com/s/files/1/0432/0185/5646/files/diregulovetasowivinifa.pdf
    • https://cdn.shopify.com/s/files/1/0432/6532/7262/files/82683802660.pdf
    • https://cdn.shopify.com/s/files/1/0434/4525/6344/files/55196914240.pdf
    • https://cdn.shopify.com/s/files/1/0428/4927/1975/files/95384771532.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_off00006524.bin
44301d28668a04c62cffc4df1c9e7571c3ebc4e04e088905527f542b1ae459db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6524 5176 bytes
font_01_sfnt_off000076ae.bin
dc5919b949dbd060fec48460e768f2abd383421eec5c3a76ddad5105303006cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76AE 10252 bytes

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