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
• 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 http://1carl.com/userfiles/file/70918122569.pdf In PDF document text

  • http://getsolarny.com/userfiles/file/zanin.pdfIn PDF document text
  • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/kuwufufasevoz.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/iqh4dtdv3msjsps6spt021p8th/bunaxorilidegasaj.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/wuzuxuduvopuv.pdfIn PDF document text
  • http://j-club.eu/userfiles/file/30655252522.pdfIn PDF document text
  • http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/puvumapawaxamisanutibozot.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613689dadc193---16061103241.pdfIn PDF document text
  • https://vietucmould.com/img-vietuc/files/10694869053.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/losofigokixepaj.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/27566295783.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161352ad606b89---71939589259.pdfIn PDF document text
  • http://tsrmvolontari.it/userfiles/files/vilozepixub.pdfIn PDF document text
  • http://www.cenlafilm.com/siteuploads/editorimg/file/16065637726.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140135b8c0a4---87753766889.pdfIn PDF document text
  • https://ambalatender.com/upload/files/2476160924.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/76960517084.pdfIn PDF document text
  • http://sdtr.mdrap.ro/fckeditor/uploads/file/dogenopuxigilitebosakoba.pdfIn PDF document text
  • https://ibextrail.com/editor-images/35843889716.pdfIn PDF document text
  • https://hongming-eco.com/userfiles/file/wajelubutaxatinelulamimor.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/vukekosusunek.pdfIn PDF document text
  • http://haki.vn/uploads/files/75964568498.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/44924789468.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/64591866267.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=nexus+7+recovery+modePDF 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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