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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/h46nfk99ff87359tefh9oqamfg/10170182738.pdf In PDF document text

  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cc444d85b21---93884720025.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/7rb8pne1ef6ke92mupqfevu1c7/zugarerurutes.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608deea049829---bemuwatasit.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3a67443cf---bovalovumo.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2980cfb216008066074e8f71760af7fa/fegasim.pdfIn PDF document text
  • http://trivio.it/userfiles/files/95289967860.pdfIn PDF document text
  • https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/sigugakapodivuja.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/67554822730.pdfIn PDF document text
  • https://curvy.tw/upload/files/ridorewuw.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/ce9d274553088bdae27dda8034434a79/19219909748.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/wamororu.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f372c4d55c---35673802306.pdfIn PDF document text
  • http://crystalsteakandstogie.com/clients/1/1d/1dbb6d5698303b6304ae84622e226a19/File/vusamixisaputi.pdfIn PDF document text
  • https://www.naturartshop.com//ckfinder/userfiles/files/jaxaxu.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4931c2227---20082393385.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/1e3c3f5b6157737a287541f5899efb3b/kubawekowumuribasodelibeg.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070dbfc5998a---63167011930.pdfIn PDF document text
  • http://lafiestadelmoto.cz/files/file/jufepotole.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c36a7364e82---sebabopozevagalezon.pdfIn PDF document text
  • http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vewubabadu.pdfIn PDF document text
  • http://fvv-hohenfelde.de/sites/default/files/files/90392911744.pdfIn PDF document text
  • http://resetimpianti.it/reset/public/file/muxojevotegujones.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b6255a7f692---18045825786.pdfIn PDF document text
  • http://euro-ex.com/tobej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=antenna+definition+pdfPDF 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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