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
• 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.
• 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://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/xajoxorosufonibebame.pdf In PDF document text

  • http://china-miyaco.com/img/file/202110813257.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/22426fefbe683fd24417c90f8bc501d9/varoreno.pdfIn PDF document text
  • http://techmechengineers.com/uploads/79366954370.pdfIn PDF document text
  • https://remini.hu/userfiles/file/55708272210.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/wujuwalobezotagawexadu.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/daxeburojakukapowovule.pdfIn PDF document text
  • https://marcvandewiele.com/userfiles/file/vufununodojusowu.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1615730dd4ee81---domavapigeg.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1616dfa5a50195---bumovonejugubokibidi.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/zedidaropefuguve.pdfIn PDF document text
  • https://cf2019.codefon.hu/js/ckfinder/userfiles/files/jogobusig.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/nuwemopazijupivujazelu.pdfIn PDF document text
  • https://inprovituruguay.com/ckfinder/userfiles/files/28996307922.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210912010724-zevemigaxexife.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/40211535222.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134632cabaed---16510572443.pdfIn PDF document text
  • http://decaldankinh.net/upload/files/gizeberen.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/59653076902.pdfIn PDF document text
  • https://firsathosting.com/calisma2/files/uploads/tebodoki.pdfIn PDF document text
  • http://alsace.annuaire-regional.com/ckfinder/userfiles/files/75015091543.pdfIn PDF document text
  • https://e-midas.ro/files/file/dagepamasudezofa.pdfIn PDF document text
  • http://runhouchem.com/upload/files/zabolodokafuvo.pdfIn PDF document text
  • http://adriennemason.com/assets/files/7895431619.pdfIn PDF document text
  • http://encino.ilovepokebar.com/uploads/files/66828815173.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/TxADE9PCSUw/uplcv?utm_term=meaning+of+direct+and+indirect+developmentPDF link annotation
  • 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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