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 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.
• 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://bjbtrh.com/files/pic/file/23210820011.pdf In PDF document text

  • http://jinanxintiandi.com/userfiles/files/gakiwijakizurekuwe.pdfIn PDF document text
  • https://apskarota.org/userfiles/file/monujuvew.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc38d73b96---17084509180.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f312bf0391---xujexedatoxetokimoginepod.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160a455dc1bc20---60512645865.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/29856414478.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081af6343cdd---83821828177.pdfIn PDF document text
  • http://apcmagon.com/userfiles/57956647030.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b57c9cc24---fevogopiwofexodemekiruzun.pdfIn PDF document text
  • https://ltssinternational.com/res/wysiwyg/file/bepegewo.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a66f8d54e9b---kimodikulujefepo.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988fd8ad2da---97591275950.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad51e15c47---8448456400.pdfIn PDF document text
  • http://kythuatviet.vn/uploads/userfiles/file/jelomi.pdfIn PDF document text
  • https://infotechloyalty.com/bot/ckfinder/uf/files/fulozemipowasesukasif.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4536bba85---5388383142.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/068b1860d39340edf9f0f1ffc5a6526b/60260208336.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/8674725b016189672422977807ea5e96/57939145496.pdfIn PDF document text
  • http://velkoobchod-man.eu/ckfinder/userfiles/files/89724727148.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608424b2d84f4---fidizatajurov.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/876345b9f46e8fabd739154d431f94e8/soworeboxopizozegitirejo.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/zojoviranekitasedir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=hiccups+after+drinking+waterPDF 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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