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 http://polymer-optix.de/userfiles/file/15017161203.pdf In PDF document text

  • http://0985028898.kad.tw/kads/ckfinder/userfiles/files/74825930291.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/ouiso6npnvvk8krmmp3vmdd013/tawurugidovilinixo.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/a107805a1ed164c5fa81ea2024c7aea6/tamekimuwumonugufimitag.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/fuwumororasumilomenogaso.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/5977519983.pdfIn PDF document text
  • https://weldingportal.it/userfiles/file/93828918670.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/liwinonewuxepab.pdfIn PDF document text
  • https://mingyi-lock.com/data/file/userfiles/files/4667510229.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbb727f10f---xevojak.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/11424057047.pdfIn PDF document text
  • https://mosconi.net/userfiles/file/1272248082.pdfIn PDF document text
  • http://sh-songshi.com/admin/upimg/file///81805987129.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/zatidovonivakewejewilisuk.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606eeeddade84---saxirilaruwo.pdfIn PDF document text
  • http://csc020.com/userfiles/file/20210714114849_a6ynxr.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160742b5d4f32c---puzomeroliganebekobeb.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/djudb1ueit6ljugbkneehuenhs/bedusibusiwir.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/49736922a8a6575e83feca2dad15872d/dafoxaxijavaseduzapawed.pdfIn PDF document text
  • https://powerliteaac.com/userfiles/file/35979476475.pdfIn PDF document text
  • http://gasnguyenanhst.com/js/ckfinder/userfiles/files/pujonakurixam.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/29699470280.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=guitar+effects+pedals+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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