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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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
• 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://smidgel.ru/uplcv?utm_term=password+reti+wifi+android PDF link annotation

  • http://avandcie-automation.com/ckfinder/userfiles/files/22806447655.pdfIn PDF document text
  • http://podolsk-kondicionery.ru/upload_picture/file/gojodanunafutagurivaxezol.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16144d7024ffdb---35351488084.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kbbl3gjb1enukjn8h6pfgu6f63/lidevevesat.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/vodowefopunu.pdfIn PDF document text
  • http://ac-kenigsberg.ru/files/file/dowifenunakusene.pdfIn PDF document text
  • http://ddaengshop.com/ckupload/files/35797831310.pdfIn PDF document text
  • http://johnmarzillier.com/ckfinder/userfiles/files/nadenovurojeviguloxeribu.pdfIn PDF document text
  • http://michalpavlicek.com/uploaded/file/rarupimegovejerek.pdfIn PDF document text
  • http://inimtrento.it/userfiles/files/61157147408.pdfIn PDF document text
  • https://vhcvietnam.vn/ckeditor/images/files/lirexijuz.pdfIn PDF document text
  • http://namngonviet.com/user-/files/vijotopuvawak.pdfIn PDF document text
  • https://rubyyadav.com/nbloom/fckuploads/file/66746954341.pdfIn PDF document text
  • http://benetalent.com/upload/files/kikegatoxajanulutit.pdfIn PDF document text
  • http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/3624817556.pdfIn PDF document text
  • https://www.thaiahpa.com/flash/files/87320298026.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/2e4050979ebda51f34e5a44103f16f0e/8575470290.pdfIn PDF document text
  • http://kiajihlava.cz/UserFiles/File/dadewimozerivogogiseki.pdfIn PDF document text
  • http://imi.vc/upload/files/92931801423.pdfIn PDF document text
  • http://pieseclimaauto.com/files/file/xadalizud.pdfIn PDF document text
  • https://unaizahic.com/Files/files/49914631056.pdfIn PDF document text
  • http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/64936484126.pdfIn PDF document text
  • http://slsnn.ru/content/file/6935212465.pdfIn PDF document text
  • http://vers-ma.de/userfiles/file/vugokemutanolopafunof.pdfIn PDF document text
  • http://systempro.kr/userData/board/file/86708068345.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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