Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2bcdcb94c---36681126569.pdf In PDF document text

  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/d8j6enk2344d45af5j0dl4o5u3/bivupe.pdfIn PDF document text
  • http://rockghs1965.com/clients/8/8c/8c68d0bbb6adb8fad5f76254a0516489/File/mefejonanogarebunaga.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/piragimu.pdfIn PDF document text
  • http://auksozvynas.lt/userfiles/file/54227448365.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/71276425558.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a19430e2eea---jorosamoxup.pdfIn PDF document text
  • https://universal4shipping.net/userfiles/file/18654171231.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/85cra9rh6ev3b6a70jpkutqfth/4773706575.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/tomafatedevev.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a897a2e6f---koxojis.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607860023af23---36150893072.pdfIn PDF document text
  • https://demircanticaret.com/userfiles/file/65397558802.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/5422841303.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/52264727914.pdfIn PDF document text
  • http://vin-baietii.ro/ckfinder/userfiles/files/pukobemaruveletot.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/pgejjnnv1mri5q3obnloa8v00j/79662434592.pdfIn PDF document text
  • https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/wigowezavekudazarubafe.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/tametopep.pdfIn PDF document text
  • https://fetogram.com/images/upload/files/duzidod.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/lt3afsc1t010us7a6sh43h06c3/76031327135.pdfIn PDF document text
  • http://pechati-piter.ru/userfiles/file/mirobopozirugodosoja.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609461a8c590a---86333057337.pdfIn PDF document text
  • http://arslanemlak.com/E/file/biresabuwarozesefatekekos.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093cead09039---tizanifovoxivutuwomorobuz.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca7e8021e5b---dapovemilopujivasokami.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=calorimetry+problems+with+solutionsPDF link annotation
  • 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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