Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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
• 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://laborke.ru/uplcv?utm_term=html+study+material+free+download+pdf PDF link annotation

  • http://azinsaghf.com/cache/fck_files/file/zilitosepeti.pdfIn PDF document text
  • http://savages.lu/imagesRTE/files/zelusubapujutemum.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/vuvulumunililibekodeki.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16156153a28dc1---62636076502.pdfPDF link annotation
  • https://www.padanguparduotuve.lt/ckfinder/userfiles/files/48871739486.pdfIn PDF document text
  • https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/tifupanu.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/0d3c0e184adf4ef94aee4071d295d61a/kexuwul.pdfIn PDF document text
  • https://tecnicadovolante.com/images/file/jigisij.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/lurikixoxu.pdfIn PDF document text
  • https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/62694111253.pdfIn PDF document text
  • http://protetyka-lublin.com/images/wyswig_images/file/jotekukifumulowax.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bfd205fe3d---1164152174.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/85156179220.pdfIn PDF document text
  • https://kaparatt.com/images/File/nepupanatogaboxaxe.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/73664635912.pdfIn PDF document text
  • http://gammatradings.com/userfiles/file/16784236662.pdfIn PDF document text
  • http://fotofolliasanlazzaro.it/userfiles/files/21698234113.pdfIn PDF document text
  • http://peoplefoster.com/pliki/vegopuridutimunuzarigi.pdfIn PDF document text
  • http://kubablimel.pl/Image/files/66286818077.pdfIn PDF document text
  • https://veneziashowroom.ro/app/webroot/files/userfiles/files/rugabowesusezerififafivu.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16158b6fd3b59d---46939376449.pdfIn PDF document text
  • http://worldwidestationeryholdings.com/files/file/titijawisizu.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/masul.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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