Malicious PDF — malware analysis report

Heuristics 9

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/53605581656.pdf In PDF document text

  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/7534257057.pdfIn PDF document text
  • http://coniperfumes.cl/js/ckfinder/userfiles/files/79954514987.pdfIn PDF document text
  • http://bonezi.morefriendship.com/upload/files/18837339927.pdfIn PDF document text
  • http://boardmark.com/files/file/fekamomopogesexib.pdfIn PDF document text
  • http://nhasachconggiao.com/luutru/files/82940172256.pdfIn PDF document text
  • http://fxlcd.com/upload/file/kujonawapuw.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614109f0f1ae0---16554034200.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/xufekidorulitar.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613deb288d50e---forutezinitog.pdfIn PDF document text
  • http://limobebe.com/userfiles/files/59604029653.pdfIn PDF document text
  • https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/xozifigogukanojaxogo.pdfIn PDF document text
  • https://simorgh.it/uploads/file/66354579443.pdfIn PDF document text
  • http://hzdsbg.com/uploadfile/1630654236.pdfIn PDF document text
  • https://vaitinhdien.com/app/webroot/upload/files/zobuxizivi.pdfIn PDF document text
  • http://sunmoon-glory.com/web/upload/files/nisaxelixodetovawita.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/59301951458.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153cec86898b---33876918552.pdfIn PDF document text
  • http://fsnmmaterials.com/UPFILE/userfiles/files/mibapupot.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/53893928439.pdfIn PDF document text
  • http://dentherapia.hu/files/file/jubitanuzipufigili.pdfIn PDF document text
  • https://delphin-restaurant.com/ckfinder/upload/files/mebukadibuwagawimudo.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/2k9a9n79enpsk8mbff1v8gg0l5/mizedofugurofaka.pdfIn PDF document text
  • http://phutungvespaco.com/luutru/files/ruvapaxokopogifinirij.pdfIn PDF document text
  • http://www.saveurspoitoucharentes.com/admin/ckfinder/userfiles/files/48844182220.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=2019+o+level+emath+paper+1+answersPDF 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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