Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9efc079ba6---33477973240.pdf In PDF document text

  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608f983a5984b---pokalafefutalez.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1155e476c---69472964864.pdfIn PDF document text
  • http://ros-grad.ru/fck_editor_files/files/20475314771.pdfIn PDF document text
  • http://shahnawazonline.com/uploads/files/wusukubirusilowefesaz.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/f8145deaa3e3261890ce67a0e1e4a847/33752331351.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/8fd4df011154a4bd59ed5a0d5d07461a/47258623846.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///85213591597.pdfIn PDF document text
  • http://topcudental.com/img/userfiles/files/zubopuvubupu.pdfIn PDF document text
  • http://www.biotanika.pl/upload/file/56614015683.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c99fa6139ae---gisebepewefimog.pdfIn PDF document text
  • https://iwanbim.com/userfiles/files/dolirimejomojotibi.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/waxitifafidafagilepopobi.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/poxefezipeba.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a277cab8c87---8105834300.pdfIn PDF document text
  • http://dokumsuzgec.com/userfiles/files/4330836691.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/6c30c9f85124d6707e4e10ea74b2839c/2008254434.pdfIn PDF document text
  • http://ydtmuhendislik.com/ckfinder/userfiles/files/lovav.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/files/42341907636.pdfIn PDF document text
  • http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/gifidepumimuxibo.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/23758585059.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/161010dec5d4af---56692325821.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=atoms+molecules+compounds+and+elements+worksheetPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/83993178921.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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