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.
• 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.
• 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://crewmak.ru/uplcv?utm_term=productivity+on+android PDF link annotation

  • http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/77923814620.pdfIn PDF document text
  • http://www.bargiel.com.pl/ckfinder/userfiles/files/dosisanivef.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/jixesofobufoz.pdfIn PDF document text
  • https://ofly.om-digitalsolutions.cn/upload/files/79292116610.pdfIn PDF document text
  • https://abisspaandboutique.com/nbloom/fckuploads/file/35875751912.pdfIn PDF document text
  • http://195exim.com/datas/files/duxajobopitebititubu.pdfIn PDF document text
  • http://clinicaveterinariagoitese.it/userfiles/files/97191549198.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/b72e15cde1c89fae666364ca106bd765/50953953513.pdfIn PDF document text
  • https://soswzgierz.pl/web/uploads/files/lixamatigaset.pdfIn PDF document text
  • http://indianapit.thriftstorewebsites.net/flash/indianapit.thriftstorewebsites.net/file/79208223566.pdfIn PDF document text
  • https://teamcode.net/upload/files/vewezomagojonuw.pdfIn PDF document text
  • http://cochemical.com/upload/files/53771565834.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/22170069233.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614609ffe5bd6---fasegaxoxurepo.pdfIn PDF document text
  • http://eca.or.th/ckfinder/userfiles/files/65166609095.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc474c36bb---sasaxerut.pdfIn PDF document text
  • http://tai-group.com/upload/files/25232350012.pdfIn PDF document text
  • http://wpklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bogibulozix.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/29175509769.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/wuwuxedazakunononaw.pdfIn PDF document text
  • http://thietkewebbacninh.com/webroot/img/files/darafos.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/belebivejibudadepeb.pdfIn PDF document text
  • https://tekartltd.com/upload/files/makafadesiwuvime.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/50912811057.pdfIn PDF document text
  • http://realcomfort.ru/content/upload/file/52487478844.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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