Malicious PDF — malware analysis report

Static analysis result for SHA-256 69a1c9afb36bf6df…

MALICIOUS

PDF

58.0 KB Created: 2021-09-17 13:56:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: e0567f91c0a23f3ac0cb9d1c2df2ec24 SHA-1: c09f252c62be851037cb71422cc216b1aefcdf27 SHA-256: 69a1c9afb36bf6df58713ec13be24f3d72143f0e6096fa458ae2e51a7d645e9c
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting. The heuristic firings indicate it functions as a link farm, likely intended to redirect users to malicious sites for phishing or malware delivery. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6159

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://queure.ru/uplcv?utm_term=rs+aggarwal+verbal+and+nonverbal+pdf PDF link annotation
    • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614473942993d---futafawoguvexe.pdfIn PDF document text
    • http://sys-svinding.dk/userfiles/file/pabadufunuputoda.pdfIn PDF document text
    • https://orsam.org.tr/paketler/ckfinder/dosyalar/files/dupemesowub.pdfIn PDF document text
    • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/r79fq30lht6a4pu7bv99j1ogdb/61239129410.pdfIn PDF document text
    • http://showplus.ae/userfiles/files/9086949553.pdfIn PDF document text
    • https://dialogueinpraxis.net/files/docs/goxuwamox.pdfIn PDF document text
    • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/ae70a4ec6cba74c5b9b142b1135a83d4/98359433244.pdfIn PDF document text
    • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161310378de22a---86776680922.pdfIn PDF document text
    • http://mebelhotel.ru/userfiles/files/pikewasagof.pdfIn PDF document text
    • http://geomanteia.com/userfiles/files/73066237701.pdfIn PDF document text
    • http://pkpneu.cz/userfiles/file/kukopof.pdfIn PDF document text
    • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbcbe44d31---32356541763.pdfIn PDF document text
    • http://laserbeautymachine.net/d/files/fetavilopamo.pdfIn PDF document text
    • http://jarauwerdaenzn.nl/userfiles/file/54518838745.pdfIn PDF document text
    • http://thai-apsproducts.com/file_media/file_image/file/lakuvomanatovifu.pdfIn PDF document text
    • http://alessandrobelleseveterinario.eu/userfiles/files/pawasuwo.pdfIn PDF document text
    • http://canhtoanland.com/upload/files/dokelaposaj.pdfIn PDF document text
    • http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/divetepefajinamerudorugi.pdfIn PDF document text
    • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613486f53d151---maletoruzegokovawix.pdfIn PDF document text
    • http://clubesquilacoma.com/uploads/files/23309343955.pdfIn PDF document text
    • http://gazetavk.ru/img/file/47532334667.pdfIn PDF document text
    • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/gejulikalozikole.pdfIn PDF document text

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