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 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.
• 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.
• 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://philabc.ru/uplcv?utm_term=top+free+live+tv+apps+for+firestick PDF link annotation

  • https://fleuriste79.fr/ckfinder/userfiles/files/suluzidimobi.pdfIn PDF document text
  • http://sp2wronki.pl/fotki/fotki/file/59014351507.pdfIn PDF document text
  • https://secolink.sk/userfiles/file/lagebojijiturelevog.pdfIn PDF document text
  • https://nacituran.com/userfiles/file/1093458424.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613530671a36f---31118502675.pdfIn PDF document text
  • https://adsbudget.net/userfiles/file/89752437694.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/51923676974.pdfIn PDF document text
  • https://alariel.be/userfiles/file/fakodosofilegimod.pdfIn PDF document text
  • https://yam-token.com/business_school/uploads/file/64197099598.pdfIn PDF document text
  • http://mrcubezpieczenia.pl/app/webroot/media/files/4060261961.pdfIn PDF document text
  • https://swaarm.de/app/webroot/upload/files/4697987359.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/14753400025.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/fuveramogomo.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/dupexapiwizizezi.pdfIn PDF document text
  • https://cincia.ro/ckfinder/userfiles/files/97947271858.pdfIn PDF document text
  • http://philboyd.com/zunusexufolu.pdfIn PDF document text
  • https://www.autopsrus.com/ckfinder/userfiles/files/butufokakenolibix.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/8ac738dc18e990930d2509341563dc8b/38539956470.pdfIn PDF document text
  • https://hideab.se/tc/Mediagalleri/file/74000348232.pdfIn PDF document text
  • https://www.mnogotrop.com/ckfinder/userfiles/files/wubovimefozonubowarufofa.pdfIn PDF document text
  • https://xebecdesign.com/xebec/userfiles/file/19705900599.pdfIn PDF document text
  • https://espritgt.com/userfiles/file/86468552009.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdb4905971---zigilopafojix.pdfIn PDF document text
  • https://heuresromantiques.com/upload/files/kozixugapegimama.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/55269233690.pdfIn PDF document text
  • https://tes-sys.com/uploads/ckfinder/files/20210908/16310630817517.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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