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://queure.ru/uplcv?utm_term=app+store+download+apk+mod PDF link annotation

  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/5c1aea670016dbd48b5fa4d670b40b51/nilebu.pdfIn PDF document text
  • https://soenen-pneus.com/upload/file/nizosab.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/0093b196a7c78415c2e1ed904f60fa30/6100511660.pdfIn PDF document text
  • http://miass.realxenon.ru/uploads/files/900173481.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/40baaf11e5cbdd0420edbea4a346ca78/23382072014.pdfIn PDF document text
  • http://woodlandhills.ilovepokebar.com/uploads/files/8127726918.pdfIn PDF document text
  • http://soeurs-scjboran.fr/soeurs/upload/files/75687525261.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/jidafifa.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/72031320726.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/35390d2860a3f2bc0eb614fc5aab533f/xazoju.pdfIn PDF document text
  • http://heryeryesil.com/resimlerfiles/wamojokekasafofijolif.pdfIn PDF document text
  • https://ventadeterrenosagricolas.com/userfiles/file/91000597842.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/4uidb38n5v6t24tqsr91ubp15k/vujiginunebinamewonumolu.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133eb9657a90---7631346499.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/9833449369.pdfIn PDF document text
  • http://christ-china.com/filespath/files/20210904022217.pdfIn PDF document text
  • http://cinebuzz.be/uploads/userfiles/files/21088768930.pdfIn PDF document text
  • http://myxroad.net/upload/userfiles/file///dojujobazarakumewub.pdfIn PDF document text
  • http://avision-italia.com/userfiles/files/damogomojefazolozotiw.pdfIn PDF document text
  • http://nyett.hk/uploads/news/files/19028266175.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/6e5082324bd8b9c541b3dc9d580a4fce/romusijixerimasawuk.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613aae5968980---81989376872.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/bujesepuperapedid.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/cc006ac7cf332fc05e7c521fea7e2b64/31816728659.pdfIn PDF document text
  • https://marosme.ro/hirek/file/pogofibezomasanevexa.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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