Malicious PDF — malware analysis report

Static analysis result for SHA-256 24ded60a87efb56e…

MALICIOUS

PDF

32.9 KB Created: 2020-08-23 22:14:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e977b731e4e399f965acb46e73b2a04 SHA-1: f19801b7912bcb741e1a316415804b6f0f45f7a3 SHA-256: 24ded60a87efb56ed4c37d7644d920cad6c8cc37ad54b19935b7038db95d5034
128 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The presence of a 'download button' lure further supports this. The primary malicious URL is ttraff.com, which redirects to other content. No scripts were extracted, limiting the analysis of the payload.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=equity+reedsville+market+report
    • http://files.emilyeaglin.com/uploads/1/3/0/9/130969312/ratilutusiro-netusosi-vudesanilesaxel-muzidozebusedi.pdf
    • http://files.stochtastic.com/uploads/1/3/0/7/130776220/zabisorutuli.pdf
    • https://cdn.shopify.com/s/files/1/0430/8343/2096/files/75246303796.pdf
    • https://cdn.shopify.com/s/files/1/0436/9137/6794/files/36627902814.pdf
    • https://cdn.shopify.com/s/files/1/0453/8466/3208/files/34011263295.pdf
    • https://cdn.shopify.com/s/files/1/0430/0665/6666/files/zafevorologeburim.pdf
    • https://cdn.shopify.com/s/files/1/0432/5572/6238/files/gunonetezuf.pdf
    • https://cdn.shopify.com/s/files/1/0432/4517/4939/files/zeseropulopelosixe.pdf
    • https://cdn.shopify.com/s/files/1/0429/2008/3612/files/51819046968.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.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_off00004198.bin
29a6b08cf5bcbc67851d65e28c977c38e40a2a41e03bee3425184c4227bc9792		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4198 5412 bytes
font_01_sfnt_off000053f4.bin
21b6c7b4a3f611137dcef49ef95e1804a8f7618fc06926a095029721d306fab0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53F4 10276 bytes

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