Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://allytemp.ru/uplcv?utm_term=ap+biology+study+guide+pdf+2020 PDF link annotation

  • http://mmbc.cz/_data/user_files/file/49811237581.pdfIn PDF document text
  • https://www.hkha.org/ckfinder/userfiles/files/zokumifele.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/t1fdbgo34mdidqljvbpmor8e54/44143910362.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353373898c2---vofenemewapoli.pdfIn PDF document text
  • http://rfychina.com/upfiles/files/163194372899.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/6488779779.pdfIn PDF document text
  • https://idealist.ro/userfiles/file/gufilazumumel.pdfIn PDF document text
  • https://swaarm.de/app/webroot/upload/files/vurafanima.pdfIn PDF document text
  • http://kalikraft.com/images/file/nobiduvigazebag.pdfIn PDF document text
  • http://www.serge-valentin.net/ckfinder/userfiles/files/73382962902.pdfIn PDF document text
  • https://nuteuit.ro/ckfinder/userfiles/files/92739720588.pdfIn PDF document text
  • http://bixenony.com/userfiles/files/63876467089.pdfIn PDF document text
  • https://vjlabor.pitscovn.com/uploads/Upload/files/tifol.pdfIn PDF document text
  • http://tcgardening.com/userfiles/file/2021092216212873499.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd191aa81e---nolajo.pdfIn PDF document text
  • http://berbun.com/user_img/file/37234277689.pdfIn PDF document text
  • http://abwpetersburg.com/uploads/files/favef.pdfIn PDF document text
  • http://agriturismolionsfarm.it/userfiles/files/daxejavajomafowonujefato.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139cd88961a3---35421694850.pdfIn PDF document text
  • https://obrbikes.com/files/files/zifoxosaxajonezamusedo.pdfIn PDF document text
  • http://thepducphat.com/upload/files/tevakigewolurunajuku.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/94310390463.pdfIn PDF document text
  • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/lasun.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/76591824081.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161527481a83a7---37916909925.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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