Malicious PDF — malware analysis report

Static analysis result for SHA-256 e84028a92755d4c8…

MALICIOUS

PDF

144.1 KB Created: 2022-07-05 16:39:02 +00:00 Authoring application: zenvort (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 82bce7575345e84617b83f4443e68370 SHA-1: c9c0c7b7967c8249cf758a7a612bc1d45c66f631 SHA-256: e84028a92755d4c836f23f5f2974a83b02d84d3dca5b99d3fe806ce5164c59c0
64 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. One of the embedded URLs, http://awarefinance.com/ferrysburg/sauber/astrolabe/floorwork/RmlmYSAyMgRml.ZG93bmxvYWR8QWY1TVdkaWMzeDhNVFkxTnpBek5qSXlNM3g4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA..optix, is particularly suspicious due to its encoded nature. The document body was not sufficiently readable to determine a specific lure, but the overall structure points to a malicious distribution or redirection campaign.

Machine Learning

  • Nyx PDF Classifier clean score 0.0046

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://awarefinance.com/ferrysburg/sauber/astrolabe/floorwork/RmlmYSAyMgRml.ZG93bmxvYWR8QWY1TVdkaWMzeDhNVFkxTnpBek5qSXlNM3g4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA..optix
    • https://www.you-nation.com/upload/files/2022/07/pxUIstqTDRXJaqmQlsKz_05_bdbeb095f6b77dd9ac7951050ad87691_file.pdf
    • https://journals.adou.edu.gh/sites/default/files/webform/cvs/hayhest312.pdf
    • http://amlakparleman.com/wp-content/uploads/2022/07/bigtlas.pdf
    • http://www.jbdsnet.com/?p=17815
    • http://www.eventogo.com/?p=224461
    • https://libres.nomasmentiras.uy/upload/files/2022/07/AkcUUew8SU8i6jeMb1lR_05_5bcd0c24ec0ca4d5dddaea1e55ff761e_file.pdf
    • http://lifes1.com/index.php/2022/07/05/fifa-22-key-generator-win-mac-updated-2022/
    • https://mandarinrecruitment.com/system/files/webform/vidloui367.pdf
    • https://360.com.ng/upload/files/2022/07/gtwIJQYxtGz8JSaOSTK7_05_5bcd0c24ec0ca4d5dddaea1e55ff761e_file.pdf
    • https://guarded-reef-42097.herokuapp.com/strewall.pdf
    • https://workschool.ru/upload/files/2022/07/5PZlAkR1Ap8QXbZ75w1l_05_bdbeb095f6b77dd9ac7951050ad87691_file.pdf
    • https://opagac-elearning.org/blog/index.php?entryid=4473
    • https://psychomotorsports.com/motorcycles/29903-fifa-22-keygen-updated/
    • https://www.indoshoot.com/wp-content/uploads/2022/07/Fifa_22-1.pdf
    • https://akastars.com/upload/files/2022/07/PloIbUpWk7yIToM652R6_05_bdbeb095f6b77dd9ac7951050ad87691_file.pdf
    • https://still-refuge-06918.herokuapp.com/Fifa_22.pdf
    • https://ipayif.com/upload/files/2022/07/2Z5anXI4lX4XCM8glcNO_05_bdbeb095f6b77dd9ac7951050ad87691_file.pdf
    • https://www.beliveu.com/upload/files/2022/07/4QmPc778zP1nECue49jN_05_bdbeb095f6b77dd9ac7951050ad87691_file.pdf
    • https://cecj.be/wp-content/uploads/2022/07/gardsylv.pdf
    • http://postbaku.info/?p=18684
    • https://www.you-nation.com/upload/files/2022/07/pxUIstqTDRXJaqmQlsKz_05
    • https://libres.nomasmentiras.uy/upload/files/2022/07/AkcUUew8SU8i6jeMb1l
    • http://lifes1.com/index.php/2022/07/05/fifa-22-key-generator-win-mac-
    • https://360.com.ng/upload/files/2022/07/gtwIJQYxtGz8JSaOSTK7_05_5bcd0c2
    • https://workschool.ru/upload/files/2022/07/5PZlAkR1Ap8QXbZ75w1l_05_bdb
    • https://akastars.com/upload/files/2022/07/PloIbUpWk7yIToM652R6_05_bdbe
    • https://ipayif.com/upload/files/2022/07/2Z5anXI4lX4XCM8glcNO_05_bdbeb09
    • https://www.beliveu.com/upload/files/2022/07/4QmPc778zP1nECue49jN_05_
    • http://www.tcpdf.org
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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