Malicious PDF — malware analysis report

Static analysis result for SHA-256 76bfef9784b20a80…

MALICIOUS

PDF

55.6 KB Created: 2021-07-07 00:01:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: f7f299cc3e1bcf8f883346d472b80f07 SHA-1: c005ef4f13391aa508507b42bfdec9e069eed590 SHA-256: 76bfef9784b20a807ce3ca42a09fa5a893fee810649a1f2184a04344a58eba76
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV and contains numerous embedded URLs pointing to potentially compromised websites or disposable hosting. These URLs are likely used to redirect users to phishing sites or download further malicious content. The PDF structure and embedded links suggest a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3186

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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 https://allytemp.ru/uplcv?utm_term=the+example+of+federal+government+is PDF link annotation
    • http://omatsuri.kr/data/userfiles/files/16243589519.pdfIn PDF document text
    • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/7125c69ee35733f6092369ecda864655/17046281456.pdfIn PDF document text
    • http://abpaluso.com/upload/file/55946599234.pdfIn PDF document text
    • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810f077d09a---kukogiwo.pdfIn PDF document text
    • http://kokocurry.gm/userfiles/file/35805229728.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5fff216221---modexo.pdfIn PDF document text
    • http://anandamsanyal.com/userfiles/file/vurujagelofi.pdfIn PDF document text
    • http://quickvideo.nl/userfiles/file/67522403616.pdfIn PDF document text
    • http://polymer-optix.de/userfiles/file/lepetutedawifadevafibi.pdfIn PDF document text
    • http://baugeraeteverleih.de/benutzerdateien/muwofumubolewikokufemasu.pdfIn PDF document text
    • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609d2e031280c---21332475816.pdfIn PDF document text
    • http://phrabat.net/UserFiles/File/lufizidorosa.pdfIn PDF document text
    • https://medicentrumnz.eu/medicentrum/files/file/tuxoxovubewexon.pdfIn PDF document text
    • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b340e6d0773---xukapotolapapemisidaxosax.pdfIn PDF document text
    • http://northwestpixie-bobs.com/clients/e/e1/e1941a3904c49320334fd90e0ed9e852/File/kenovipofububusus.pdfIn PDF document text
    • https://sport-jicin.cz/dokumenty/tepalamipetixid.pdfIn PDF document text
    • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/948f948b082e833739e126e5b0e4e7a2/71585879345.pdfIn PDF document text
    • http://bpabv.nl/uploadfiles/file/jodunevodujex.pdfIn PDF document text
    • http://accessiblevehicleservices.com/userfiles/file/xokalelutizu.pdfIn PDF document text
    • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105080835151957.pdfIn PDF document text
    • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1ac6b41e8---25158752951.pdfIn PDF document text
    • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160ae09f74809b---28893848612.pdfIn PDF document text
    • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/nd9h8dpbrdlr1786kvjki0suhe/89593741790.pdfIn PDF document text
    • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c2cc309b4ad---93249394853.pdfIn PDF document text
    • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160724e811e3db---dupojaguvuv.pdfIn PDF document text
    • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a7f595175---42371214827.pdfIn PDF document text

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