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://allytemp.ru/uplcv?utm_term=offline+music+apps+ios PDF link annotation

  • https://peisheng.org/uploads/ckfiles/files/613cf038e69f4.pdfIn PDF document text
  • http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/7761510130.pdfIn PDF document text
  • https://cvssteelex.com/ckfinder/userfiles/files/64488667028.pdfIn PDF document text
  • https://quasar.mago.ro/ckfinder/userfiles/files/72406762105.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/50412642219.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/4707f97ccb0ed376230013d33a56cd1e/23101216060.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/89973593428.pdfIn PDF document text
  • http://www.dreamstoreonline.es/ckfinder/userfiles/files/82239921510.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/nekiwunurewugezidid.pdfIn PDF document text
  • http://ahknchem.com/upload/files/fufevowumuxexowipenaba.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/2aklbc2j760rata7e2li2uact3/kemef.pdfIn PDF document text
  • http://kammerchor-lindau.com/file/20262284171.pdfIn PDF document text
  • https://dom4m.com/userfiles/files/15740486392.pdfIn PDF document text
  • http://tongweivietnam.com/ckfinder/core/connector/php/connector.php?command=QuickUpload&type=Filesupload/files/23603594208.pdfIn PDF document text
  • http://tomaszskiba.com/userfiles/file/pomafunofijajepuxoburu.pdfIn PDF document text
  • https://ruxthai.com/ckfinder/userfiles/files/54653743351.pdfIn PDF document text
  • http://thetestmag.com/userfiles/files/25571247343.pdfIn PDF document text
  • https://electroagro.es/pub/files/fugujazuzimekuxudep.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3e4d9d02f---30557459086.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/gunegotawuxefaxujomid.pdfIn PDF document text
  • http://qdxqw.com/uploadfile/file/didolozis.pdfIn PDF document text
  • http://abworder.com/uploads/files/48353370906.pdfIn PDF document text
  • https://vienhung.com/webroot/img/files/sojusisagurawujeboduji.pdfIn PDF document text
  • http://ping-property.com/user_img/files/36385676679.pdfIn PDF document text
  • https://www.colegiumaniucarei.ro/ckfinder/userfiles/files/69545198288.pdfIn PDF document text
  • http://yuhuimachinery.com/d/files/64498326959.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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