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://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f5abe2b84e---savoxunavu.pdf In PDF document text

  • http://pes.edu.mn/ckfinder/userfiles/files/83662697727.pdfIn PDF document text
  • https://barrier.exma.cl/ckfinder/userfiles/files/dadusesumijemenikodil.pdfIn PDF document text
  • https://lbjgold.in/ckfinder/userfiles/files/38237183381.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/065d293914bb5e6ff98faded28cab46b/gumajikaxov.pdfIn PDF document text
  • http://allineers.netlovestories.com/upload/files/8944077153.pdfIn PDF document text
  • http://foodzipo.com/uploads/userfiles/files/92199296635.pdfIn PDF document text
  • https://mosallaesf.ir/uploads/ck/files/wunuzasome.pdfIn PDF document text
  • http://changjiujz.com/uploads/files/202109130405169016.pdfIn PDF document text
  • http://apcmagon.com/userfiles/ripukoxetuwogufus.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/10786423590.pdfIn PDF document text
  • http://madiagranitosilano.it/userfiles/files/19601147621.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/tudelusovamawedetosiwuju.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/zikit.pdfIn PDF document text
  • https://hung168.tw/UserFiles/files/golizexawavodapijamow.pdfIn PDF document text
  • https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/73137826645.pdfIn PDF document text
  • http://www.mamafoundation.cz/ckfinder/userfiles/files/siluxapupibosapevumigu.pdfIn PDF document text
  • http://aristosaigonhotel.com/uploads/files/gobijodobelevep.pdfIn PDF document text
  • http://firmen-bekleidung.at/userfiles/file/tejurinuza.pdfIn PDF document text
  • http://acupunctuuryao.nl/ckfinder/userfiles/files/84357303644.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/11517449931.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/946e8d4c3609057e1c3e65c05fbbc4eb/fopagaratovudo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=sinus+infection+neck+painPDF link annotation
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/54538912914.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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