Malicious PDF — malware analysis report

Static analysis result for SHA-256 7511fd6021c542da…

MALICIOUS

PDF

65.1 KB Created: 2021-09-20 07:08:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: dd53b1ab06afd56cfc201d1baf6f7a98 SHA-1: 5ec2752cad0443dfd95492b632e6053c06327ba4 SHA-256: 7511fd6021c542da9a7966c1879268eadc7fe7e0586b1b77bc615a7ad902a5c7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, indicative of a link farm used for phishing or malware distribution. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment. While no scripts were explicitly extracted, the nature of the URLs and the heuristic firings strongly suggest malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6468

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=screen+cast+android+10 PDF link annotation
    • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/tqobll1cr9nsu47j845ffs77m3/72479720827.pdfIn PDF document text
    • https://speculatio.in/userfiles/file/81573366665.pdfIn PDF document text
    • http://edv-denk.com/userfiles/file/72592564575.pdfIn PDF document text
    • https://ladangmimpi2.com/contents/files/liwesixokarazoje.pdfIn PDF document text
    • http://chaodontuonglai.vn/uploads/ck_upload/files/buvoxidorujavoga.pdfIn PDF document text
    • http://sartoriaventurini.com/userfiles/files/33846947848.pdfIn PDF document text
    • https://fenixfalt.com/userfiles/file/rejekuwum.pdfIn PDF document text
    • http://www.hgekc.com/media/userfiles/file/67160830265.pdfIn PDF document text
    • https://rijst.nu/userfiles/file/95311672365.pdfIn PDF document text
    • https://nodka.eu/ckeditor/ckfinder/userfiles/files/75924797817.pdfIn PDF document text
    • http://tsrmmessina.it/userfiles/files/gumanuduv.pdfIn PDF document text
    • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c328f4012---nokujekamekugopi.pdfIn PDF document text
    • http://zeminyerkaplama.com/upload/ckfinder/files/16215236451.pdfIn PDF document text
    • http://ibrahimalsada.com/pics/file/11912560419.pdfIn PDF document text
    • http://www.smwiarus.pl/ckfinder/userfiles/files/lulowiriwufazenon.pdfIn PDF document text
    • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/efa88c387bdb9abf2e85f0c9b262d1a6/99947920741.pdfIn PDF document text
    • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147df0236651---47705720774.pdfIn PDF document text
    • http://agcslohian.com/userfiles/file/83136103019.pdfIn PDF document text
    • http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/wikasizinasa.pdfIn PDF document text
    • http://makrostal.pl/user_images/file/26757684774.pdfIn PDF document text
    • http://ghalemdi.com/userfiles/file/patedixip.pdfIn PDF document text
    • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4c820b7f1---62734672961.pdfIn PDF document text

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