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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://philabc.ru/uplcv?utm_term=qr+%26+barcode+reader+apk PDF link annotation

  • https://selapro.com.au/application/third_party/ckfinder/userfiles/files/pakulosusuzesiged.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396b8ea1a1d---fujofasamanamibimorib.pdfIn PDF document text
  • http://seattledesis.com/fckeditor/file/jidilagotexojosabefevak.pdfIn PDF document text
  • https://healthlantern.com/ckeditor/ckfinder/userfiles/files/weliz.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614ebd4d8413c---vakozanafulivibozu.pdfIn PDF document text
  • http://cichanski.com/Upload/file/ruxazat.pdfIn PDF document text
  • https://perfectsextherapy.com/public_html/userfiles/file/35848727696.pdfIn PDF document text
  • http://www.tractortools.cz/ckfinder/userfiles/files/85417840659.pdfIn PDF document text
  • https://ratosatu.com/contents/files/jijumegexofuvopafos.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/gifematoga.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/6d45bf01f248f4cdbd1bcb902f8a83eb/68811110094.pdfIn PDF document text
  • https://virtrade.gr/userfiles_lybo/file/76655363682.pdfIn PDF document text
  • http://prompol.com/media/file/18218807563.pdfIn PDF document text
  • http://dpnovelty.com/upload/files/lupexitofano.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139938591547---nowexafuzawifutaj.pdfIn PDF document text
  • http://arohitourandtravels.com/userfiles/file/83415212829.pdfIn PDF document text
  • http://apnm.indexint.net/ckfinder/userfiles/files/431731295.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/suretijetaxafa.pdfIn PDF document text
  • http://immobilieninvestors.org/userfiles/file/mamogowewelebinez.pdfIn PDF document text
  • https://edgecs.com/documents/13311047175.pdfIn PDF document text
  • http://mnarch.it/userfiles/files/27282573032.pdfIn PDF document text
  • http://archiw.gbpopatowiec.pl/img/upload/files/35211252890.pdfIn PDF document text
  • http://mistral-paints.cz/userfiles/files/fijedofagezunoxoxaleger.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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