Malicious PDF — malware analysis report

Static analysis result for SHA-256 5fd982072a9f22e5…

MALICIOUS

PDF

74.9 KB Created: 2021-07-17 14:18:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: c1a7cfb9fc4bc6839b0e3a18f77a265d SHA-1: d0e042b0710953820755ed5bc9519b65a5b49644 SHA-256: 5fd982072a9f22e56f86fac4a05c71a1245f1b8a6530dce13f650658976ab9fe
124 Risk Score

Malware Insights

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

The PDF file contains numerous links, many of which point to compromised WordPress installations. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4734

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://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/adfd1e26476f189894218a461abb6d97/98667541193.pdf In PDF document text
    • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160cbad934fdb8---93899515318.pdfIn PDF document text
    • http://beastyenergy.com/userfiles/file/kadikesuk.pdfIn PDF document text
    • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3a74cc557---poniselusunelubumizujeva.pdfIn PDF document text
    • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/4adcd7db7361cf4467b537df518c4b4a/fovelubomurasigokowit.pdfIn PDF document text
    • http://hiddenforrest.net/clients/76790/File/bofig.pdfIn PDF document text
    • https://narimasu-chintai.net/jcfiles/file/55315167008.pdfIn PDF document text
    • https://cowichanmusicfestival.com/userfiles/file/49396784815.pdfIn PDF document text
    • http://wooshin.kr/uploaded/file/24549748260ac23d40f664.pdfIn PDF document text
    • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774665624a8---felabefovozojerowodav.pdfIn PDF document text
    • http://naasschoolofmotoring.com/fckeditor/userfiles/file/gakizogoj.pdfIn PDF document text
    • http://medicapoland.pl/uploaded/file/dipawesaxenatokipaki.pdfIn PDF document text
    • http://goodtraefarm.com/ckupload/files/nutetanaxesuvidu.pdfIn PDF document text
    • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/174faa68913c8abbb86cfbf49a33c5e4/rakeporov.pdfIn PDF document text
    • http://cn-daomeng.com/upload/userfiles/files/40ceabb8a5863625f5b438b2f1f3f8d7.pdfIn PDF document text
    • https://ludifrance.fr/userfiles/file/batexi.pdfIn PDF document text
    • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/0r55gj938u8d84e0m2dhv04t1f/xederigelelifobafukod.pdfIn PDF document text
    • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/d90056e6f3da10fa0b4c9b50c354df16/70942540801.pdfIn PDF document text
    • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076dbb32a433---58977787702.pdfIn PDF document text
    • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/2df6f85ae67626c4ff14f4394e1bbfa6/selinebusizufogipo.pdfIn PDF document text
    • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/fabtg8k7472mv2g4jq1kl02tus/wozawijirisin.pdfIn PDF document text
    • http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/32940691234.pdfIn PDF document text
    • http://uceng.net/_UploadFile/Images/file/kuzubum.pdfIn PDF document text
    • http://bjallstar.com/upload/file/gufazovivalalamaxagesi.pdfIn PDF document text
    • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/dikdcvudc6gfh39cmel5nmahh2/27462702441.pdfIn PDF document text
    • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/sq6v3uon7i29buj4cfthgh7pfs/79414721468.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=the+miracle+of+mindfulness+summaryPDF link annotation

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