Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa20ca5e40326fce…

MALICIOUS

PDF

54.7 KB Created: 2021-09-17 19:20:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 0a426cf6414e816517b8b5d056c78f8a SHA-1: 1f24061d135b38fe3b52b6348c9caed82156af24 SHA-256: aa20ca5e40326fcebcd060bccd8c61229a93429210473ee52cf13577386ba99c
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous external URIs pointing to disposable hosting sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of many unknown-reputation URLs reinforces this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8456

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://garglob.ru/uplcv?utm_term=fur+elise+easy+piano+pdf PDF link annotation
    • http://weldingplaza.com/files/file/28705440326.pdfIn PDF document text
    • https://nbcmedia.vn/ckfinder/userfiles/files/merofezik.pdfIn PDF document text
    • https://samavetpharm.com/userfiles/files/95290394405.pdfIn PDF document text
    • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631868960.pdfIn PDF document text
    • https://etevent.itweald.com/uploads/files/6135f55b90ee3.pdfIn PDF document text
    • http://tanriovermensucat.com/uploads/genel/files/xadolesipapukobagi.pdfIn PDF document text
    • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161377ca80c0e1---fijitodemazuwitolemamude.pdfIn PDF document text
    • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4d1e6068b---95726929022.pdfIn PDF document text
    • http://sameiroeventos.pt/ficheiros/tomijafufimaxusekibi.pdfIn PDF document text
    • http://fnathservices.com/upload/file/14143160874.pdfIn PDF document text
    • http://miass.realxenon.ru/uploads/files/bobozidibonologe.pdfIn PDF document text
    • http://aeusjtu.pretty-match.com/upload/files/79316834136.pdfIn PDF document text
    • http://banglenhospital.com/UserFiles/File/78189341621.pdfIn PDF document text
    • https://sssmri.com/ckfinder/userfiles/files/40514207844.pdfIn PDF document text
    • http://aburobocon2019.mnb.mn/uploads/files/49640153445.pdfIn PDF document text
    • http://www.hebrewforreadingcomprehension.com/content/18113416023.pdfIn PDF document text
    • http://railwaysrailroads.com/upload_files/files/55725007937.pdfIn PDF document text
    • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/momurur.pdfIn PDF document text
    • http://aiswaryamatrimonials.com/fck_uploads/file/furugerubozenunigebe.pdfIn PDF document text
    • http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zipatoremeruba.pdfIn PDF document text
    • http://fijiembajak.com/uploads/ck_uploads/files/memudofosegidovuvikofivej.pdfIn PDF document text
    • https://kingwrapcarspa.com/upload/files/govovuduxuk.pdfIn PDF document text
    • https://ibextrail.com/editor-images/39904969175.pdfIn PDF document text
    • http://gift-founder.com/archive/upload/files/57306184679.pdfIn PDF document text
    • http://kfbma.org/files/fck/file/57092847679.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.