Malicious PDF — malware analysis report

Static analysis result for SHA-256 551d3dc93f212e9b…

MALICIOUS

PDF

149.6 KB Created: 2020-10-05 18:08:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 620ecce4a12aaf30e92679db92d12aac SHA-1: 296b0fdbb70c3a22a8eca85e86892da20a06330f SHA-256: 551d3dc93f212e9bd2e274ac3238b887e072914243f8f208e879427931c89f55
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ttraff.com/pify?keyword=the+out+of+sync+child+audiobook', is identified as malicious. The document body, though heavily obfuscated, contains text related to an audiobook and the URL, reinforcing the lure. The file's purpose is to redirect the user to a potentially harmful site.

Heuristics 2

  • 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.
  • 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=the+out+of+sync+child+audiobook
    • https://site-1037091.mozfiles.com/files/1037091/45243984844.pdf
    • https://site-1036702.mozfiles.com/files/1036702/58879899243.pdf
    • https://uploads.strikinglycdn.com/files/57d3afd1-93c4-4ee6-8ee6-5941b8a35006/64608824653.pdf
    • https://uploads.strikinglycdn.com/files/bdaabaa2-942f-4e4c-80d5-07e242f3e1d4/garofizumuzawa.pdf
    • https://uploads.strikinglycdn.com/files/14d2ea34-5eae-42b0-9230-1ae3f4fbb412/munesuxutovesazeximovuje.pdf
    • https://uploads.strikinglycdn.com/files/c692e7a3-1f36-46fb-9e36-381fa1d5e5db/43796797256.pdf
    • https://uploads.strikinglycdn.com/files/69caa5b6-1d2b-4137-a612-c4a812ea2b17/21752291240.pdf
    • https://uploads.strikinglycdn.com/files/e953b9eb-f702-4187-8bb3-cdd121fb0649/zakotinepu.pdf
    • https://uploads.strikinglycdn.com/files/6896b126-31bd-4f00-9c4d-ec668533830b/lesowaj.pdf
    • https://cdn.shopify.com/s/files/1/0435/2960/1175/files/jitolagilix.pdf
    • https://cdn.shopify.com/s/files/1/0431/5122/9089/files/tizisupusuzus.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_off00020cc3.bin
a124b6b3edcf442de98189b7f80e3e4ddf6bbe4a01e9b5115cadcb7dd7b604d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20CC3 5268 bytes
font_01_sfnt_off00021ebc.bin
8e7dc8cdfbc72bfe1e268d328b294fdc450479a540c1cdf92c63ec1d8bef5a42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x21EBC 13128 bytes

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