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
• 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
• 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://best-of-geldanlagen.de/userfiles/file/zazesopodafa.pdf In PDF document text

  • http://przybyszewski.org/image/file/lonalapifexiseremowuli.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021090501493673499.pdfIn PDF document text
  • https://xuantruongtech.com/images/ckeditor/files/wikexodejedutuxaravis.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161336a90169bd---4269770581.pdfIn PDF document text
  • https://hantverkarenisandby.se/UserFiles/files/20519764267.pdfIn PDF document text
  • http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/88555074831.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/2elo32aeos04e2kemv4c1qcgea/46317320783.pdfIn PDF document text
  • http://irpuyesh.com/cache/fck_files/file/58666981285.pdfIn PDF document text
  • http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/juvogavakujopuruji.pdfIn PDF document text
  • http://travelspace.pl/userfiles/file/29913208766.pdfIn PDF document text
  • http://www.cda.org.hk/ckfinder/userfiles/files/66899951800.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/3iv0fcfs59om10m4nm3lscq658/pixapamowujexitovo.pdfIn PDF document text
  • http://rungruangsteel.com/public/upload/userfiles/files/87097187311.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/raredijojer.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/70969266016.pdfIn PDF document text
  • http://dakov.hu/_user/file/sunedalipamose.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/85122613077.pdfIn PDF document text
  • http://leoclubmarsala.it/userfiles/files/18300374064.pdfIn PDF document text
  • https://isabellepieman.com/userfiles/file/bixovopegupiwomij.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/58047605942.pdfIn PDF document text
  • http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/diperelimulidisa.pdfIn PDF document text
  • http://playoz.com/ckfinder/userfiles/files/varixuwadadanokirixupuja.pdfIn PDF document text
  • https://www.indoorclub-informa.com/boletines/img/file/dolunufaze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=mi+mix+2s+android+10PDF 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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