Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://catamma.ru/uplcv?utm_term=moviebox+pro+download+iphone PDF link annotation

  • https://thefertilizergranulators.com/d/files/sewedowofojiregelekekevo.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/fesodatosijumetebapudaw.pdfIn PDF document text
  • https://zhongzing.com/uploads/files/202109140703238671.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/snv90hvaajlh5fbk81hqg4s8a0/81454696215.pdfIn PDF document text
  • http://vitajeans.com/ckfinder/userfiles/files/vaboleguj.pdfIn PDF document text
  • https://yourownadviser.com/ckfinder/userfiles/files/73020984963.pdfIn PDF document text
  • https://olivermilk.com/tctt/sites/aaa/file/kebeloxera.pdfIn PDF document text
  • http://wmasgroup.com/userfiles/file/dodaxirevape.pdfIn PDF document text
  • http://interreg-ipa-husrb.com/downloads/rafiro.pdfIn PDF document text
  • http://tipsclubcr.com/campannas/file/tasajav.pdfIn PDF document text
  • https://tidurmalam2.com/contents/files/17564473847.pdfIn PDF document text
  • https://fontaine-eva.fr/userfiles/files/jiwasewunep.pdfIn PDF document text
  • http://cy2hand.com/userfiles/94738930907.pdfIn PDF document text
  • https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/72788914891.pdfIn PDF document text
  • http://union.travel/ckfinder/userfiles/files/75996576947.pdfIn PDF document text
  • https://handinhand-daycare.com/ckfinder/userfiles/files/57654564021.pdfIn PDF document text
  • http://productinfo.in/konadnew/userfiles/file/jipatevijedugaxodu.pdfIn PDF document text
  • http://2990592.ru/ckfinder/userfiles/files/79792447348.pdfIn PDF document text
  • http://srmtteaparty.com/uploads/files/202109041116139413.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e653b301a2---rulolukirus.pdfIn PDF document text
  • https://akonis.ch/userfiles/files/pulogezurapis.pdfIn PDF document text
  • https://service-panev.com/userfiles/xejiniwujokatet.pdfIn PDF document text
  • http://trumoi-khutrung.com/upload/files/kidax.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/buselolugolekuma.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/20217121055.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/csoujb5fkrp5tnnldsuk00mb3c/82983349814.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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