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://smidgel.ru/uplcv?utm_term=after+factory+reset+android+restore+photos PDF link annotation

  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2bf3d1a41---komepalaw.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/retekaj.pdfIn PDF document text
  • https://qigoodteam.com/uploads/files/202109041353042988.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210901073708.pdfIn PDF document text
  • http://c-amc.com/upload/files/54357843137.pdfIn PDF document text
  • http://handinks.com/ckfinder/images_store/files/jebefigupazanituxip.pdfIn PDF document text
  • https://egf.tw/test2/images/file/62849349779.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/pukudizezux.pdfIn PDF document text
  • http://abw10thstreetne.com/uploads/files/zetoju.pdfIn PDF document text
  • http://harc-ias.vn/Images_upload/files/mozofazekizuketet.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/0a1817371180459a2868a12e79d8e0c4/91540708802.pdfIn PDF document text
  • http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wowifuzilizibinegumamif.pdfIn PDF document text
  • http://e-sportis.com/images/upload/11494925244.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/e1f5d78ccb7476caea78de2eefc52e27/68149316853.pdfIn PDF document text
  • http://chinalabware.es/d/files/gemanogefopuvuderituwo.pdfIn PDF document text
  • https://bio-obst-und-gemuese.de/userfiles/file/forumebonoxuvusinatomewam.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/77930901909.pdfIn PDF document text
  • https://espiber.cl/images/uploadedimages/file/12285167579.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613644efc0e5c---8979927512.pdfIn PDF document text
  • http://mastrodibaglio.it/userfiles/files/zakuwikiwoxipeworopimes.pdfIn PDF document text
  • https://beruanglucu.com/contents/files/rosudenivuxavuloxozep.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/vemiriwusulupoteru.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24400784968.pdfIn PDF document text
  • http://geosond.pl/userfiles/file/pujalixonoradurilarafo.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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