Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9a4f3443c821c78…

MALICIOUS

PDF

116.6 KB Created: 2022-07-06 03:35:09 +00:00 Authoring application: washbent (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: c5905f6597ced041d3f6d09d7a4d3c30 SHA-1: d4d480075afcbac758774d656e247560586c486e SHA-256: b9a4f3443c821c787efa01ce4fb24efe9b91505f0c1e3fd5e78775b4e9fbb257
84 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, many of which point to potentially malicious or untrusted domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_URI' heuristics. One such link, http://find24hs.com/adsorbs/hwang?UGFraXN0YW5QZW5hbENvZGUxODYwVXJkdWVwdWIUGF=ZG93bmxvYWR8ZjNLTlRod01ueDhNVFkxTnpBMk56RTFOSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA&caledonia=gratuity.yesturday, appears to be a lure for downloading further content. The presence of a link farm suggests an attempt to distribute or host malicious payloads.

Machine Learning

  • Nyx PDF Classifier clean score 0.0235

Heuristics 4

  • 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.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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://find24hs.com/adsorbs/hwang?UGFraXN0YW5QZW5hbENvZGUxODYwVXJkdWVwdWIUGF=ZG93bmxvYWR8ZjNLTlRod01ueDhNVFkxTnpBMk56RTFOSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA&caledonia=gratuity.yesturday
    • http://ksycomputer.com/?p=33298
    • https://www.eventogo.com/golfing-over-it-with-alva-majo-cheats-tool-download-install/
    • https://thecryptobee.com/odesi-music-composition-full-crack-work-pc/
    • https://protected-fjord-50682.herokuapp.com/alofar.pdf
    • https://sjdistributions.com/extramame-19-0-keygen-crack-2019-update-_hot_/
    • https://www.didochat.com/upload/files/2022/07/uq4EX5f5FIdKH3W8JKnI_06_2df664f1ef5a0f286bfd9cf53c7c4c61_file.pdf
    • https://www.cameraitacina.com/en/system/files/webform/feedback/alihaz557.pdf
    • https://nlamateur.nl/upload/files/2022/07/BYUDNaipDsBGE5maBfw3_06_b0ee56ac53bb61b1a6f4a7b516f6da9e_file.pdf
    • https://www.cameraitacina.com/en/system/files/webform/feedback/doom-3-resurrection-of-evil-keygen-download.pdf
    • http://networks786.ovh/upload/files/2022/07/OUNoQDdoR2Ylk7gi437w_06_bc8d1b1616794f4ade2d9f1645cda12a_file.pdf
    • http://3.234.42.222/blog/index.php?entryid=4494
    • https://topgiftsforgirls.com/native-instruments-b4-ii-serial-number/
    • https://engagementlandschaft.de/wp-content/uploads/2022/07/olivfyll.pdf
    • http://emforma.cm-amadora.pt/blog/index.php?entryid=5600
    • https://johnsonproductionstudios.com/wp-content/uploads/2022/07/birenai.pdf
    • http://romeroconsult.com/wp-content/uploads/2022/07/HD_Online_Player_neat_Video_Plugin_Sony_Vegas_Crack_BETTER.pdf
    • http://kyakahan.com/wp-content/uploads/2022/07/Stronghold_Antimalware_12_Serial_Number.pdf
    • https://mylovelyplaces.com/wp-content/uploads/2022/07/gabrup.pdf
    • https://www.didochat.com/upload/files/2022/07/uq4EX5f5FIdKH3W8JKnI_06_2df664f1ef5a0f286bfd9c
    • https://nlamateur.nl/upload/files/2022/07/BYUDNaipDsBGE5maBfw3_06_b0ee56ac53bb61b1a6f4a7b
    • https://www.cameraitacina.com/en/system/files/webform/feedback/doom-3-resurrection-of-evil-
    • http://networks786.ovh/upload/files/2022/07/OUNoQDdoR2Ylk7gi437w_06_bc8d1b1616794f4ade2d9f
    • http://romeroconsult.com/wp-
    • http://cidisli.yolasite.com/resources/Passages-2-Students-Book-With-Audio-Download-LINK.pdf
    • https://trello.com/c/bhsrmo4j/45-house-of-dead-3-original-no-cd-crack-full-game-hack-password
    • 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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