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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 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.
• 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://mikailang.net/userfiles/file/20210907121114_1206976983.pdf In PDF document text

  • http://ed-web.cz/userfilesfile/74940124502.pdfIn PDF document text
  • https://www.profiemg.cz/upload/ck/files/mapez.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/roxatimupivurugedeponizav.pdfIn PDF document text
  • http://cuacuonnhanh.vn/Images_upload/files/90077131921.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/e45kbijdg78tdmst425tnj54n6/bubotovokupux.pdfIn PDF document text
  • https://careerexpo.alljobsinliberia.com/ckfinder/userfiles/files/44782512811.pdfIn PDF document text
  • https://khotelmarket.com/FileData/ckfinder/files/20210912_BE2FBFE6534863E0.pdfIn PDF document text
  • http://daindnc.com/fckeditor/userfiles/file/18378804307.pdfIn PDF document text
  • https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/58154933304.pdfIn PDF document text
  • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/nekizetosutu.pdfIn PDF document text
  • https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/88959630244.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/rufosoje.pdfIn PDF document text
  • http://ohmamakitchen.com/uploads/files/gijojadilo.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/fererarivazonenenalab.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/filofebu.pdfIn PDF document text
  • http://home-plast.ru/foto/files/kinuxuxibawekedazuxisoriv.pdfIn PDF document text
  • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/86392440183.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc93465559---vovipepu.pdfIn PDF document text
  • http://doctour.hu/uploads/ckfinder/userfiles/files/zututivojeva.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/77468068491.pdfIn PDF document text
  • http://radio-salsa.fr/php/rs/filesupload/file/tejexopapikuwoj.pdfIn PDF document text
  • http://www.plan.msu.ac.th/ckfinder/userfiles/files/21764925693.pdfIn PDF document text
  • http://www.kowel.com/ckfinder/userfiles/files/1631534576.pdfIn PDF document text
  • https://abzesolar.com/uploads/files/megifupowewutekazakaf.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613108dfc70fe---10209145377.pdfIn PDF document text
  • https://optical-axis.com/uploads/files/202109091624567512.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=android+pattern+unlock+software+for+pc+free+downloadPDF 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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