Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0cb1a77bdf80eac…

MALICIOUS

PDF

56.8 KB Created: 2021-09-17 13:33:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: df6846d2c854bad9f283bdbd6892c404 SHA-1: 9a5a7d4fb7eef0af0b0929c0a78b44f704bb56aa SHA-256: a0cb1a77bdf80eac01aaa1e880c267db47e86718f479d3d1e6baa1d43d4142ac
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous external links, with one specifically targeting 'minecraft redeem a code' on a disposable hosting domain, indicating a phishing or malware distribution attempt. ClamAV detection and ML classification further support its malicious nature. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7557

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://allytemp.ru/uplcv?utm_term=minecraft+redeem+a+code PDF link annotation
    • http://queensparkview.com/image/upload/File/99057227622.pdfIn PDF document text
    • https://pima-alarms.net/slicice/file/54895485107.pdfIn PDF document text
    • https://argekaucuk.com/nbg/upload/files/gukusukubaj.pdfIn PDF document text
    • http://mallenmediations.com/mallenmediations/images/userfiles/file/nutipixudilagabevuvud.pdfIn PDF document text
    • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/e22c4c9ced3c845dd8f8f9ab3e5af26a/bitogimanama.pdfIn PDF document text
    • https://eksiliotomotiv.com/upload/ckfinder/files/niputilalasiwon.pdfIn PDF document text
    • http://shsuorui.com/uploadfiles/fckeditor/20210911/file/16313487696082.pdfIn PDF document text
    • http://chocoenglish.com/_UploadFile/Images/file/75752560079.pdfIn PDF document text
    • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613921ec9e255---misafomurik.pdfIn PDF document text
    • http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/xalaju.pdfIn PDF document text
    • http://descanso.verareyes.com/ckfinder/userfiles/files/napewoga.pdfIn PDF document text
    • http://huichem.com/ckfinder/userfiles/files/72995952527.pdfIn PDF document text
    • https://ulsantour.com/FileData/ckfinder/files/20210917_51BD04A44F4C3E50.pdfIn PDF document text
    • http://globomax.eu/userfiles/file/xesavojupukiva.pdfIn PDF document text
    • https://zegaoyun.com/calisma2/files/uploads/40869712007.pdfIn PDF document text
    • http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/94369177993.pdfIn PDF document text
    • https://aicpwdosaeast.com/ckfinder/userfiles/files/37987738498.pdfIn PDF document text
    • https://agriturismoilcolle.org/userfiles/file/mezutowe.pdfIn PDF document text
    • http://duancanhotot.com/upload/files/28894835969.pdfIn PDF document text
    • https://cobrawire.com/userfiles/files/7978064195.pdfIn PDF document text
    • http://danies.ru/ckfinder/userfiles/files/58607827502.pdfIn PDF document text
    • http://vuason.vn/upload/files/bapefejodirumamivisivi.pdfIn PDF document text
    • http://avstralianature.ru/ckfinder/userfiles/files/12202507415.pdfIn PDF document text