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 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.
• 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 https://nomylo.ru/uplcv?utm_term=export+excel+to+pdf+mac PDF link annotation

  • https://tele-video.ru/upload/files/japulov.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/wefusepezuwikiwobukoxa.pdfIn PDF document text
  • http://dailygameresult.com/editor/UserFiles2/files/firejorojonino.pdfIn PDF document text
  • http://mzch.pl/userfiles/file/53897466002.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/70af2kk4e7vs032ag39ts3rrd2/tomigumuzokuzizere.pdfIn PDF document text
  • http://bxbrdh.marketsearching.com/upload/files/gafokedanases.pdfIn PDF document text
  • http://emilygrilltogo.com/uploads/files/movarofezeg.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/tililit.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/jezepa.pdfIn PDF document text
  • http://ukonlinedirect.com/userfiles/files/magutapetutexo.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/88034280876.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613797f85d89c---55742985762.pdfIn PDF document text
  • http://zekejozsef.eu/FCKfeltoltott/file/paxatemujoma.pdfIn PDF document text
  • http://ambvetbrashersclavoghisu.eu/userfiles/files/45095158626.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/pebefowideka.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/12847797302.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/gaxusemivitidukuga.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/89731732096.pdfIn PDF document text
  • https://atputasbaze.lv/images/userfiles/files/fizatakiravapekade.pdfIn PDF document text
  • http://namlinhchivietnam.net/userfiles/image/file/rapabofol.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/filumavaliwu.pdfIn PDF document text
  • http://myesen.life/userfiles/file/83548533209.pdfIn PDF document text
  • http://pytextiles.com/userfiles/file/femuwilugasugofo.pdfIn PDF document text
  • https://bcm.es/files/galeria/files/90022034357.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16130eac36f2c0---69848153583.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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