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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://corpusbg.com/files/fck/file/22688713526.pdf In PDF document text

  • https://trompis-tondschungel.de/userfiles/file/wufawirutazeri.pdfIn PDF document text
  • https://wildarium.com/ckfinder/userfiles/files/64648902104.pdfIn PDF document text
  • http://wyadonline.com/userfiles/file/roxudurevumusigimi.pdfIn PDF document text
  • https://rpaxis.net/userfiles/file/5207684740.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/lokuvatepopu.pdfIn PDF document text
  • http://matrixpaint.com/ckfinder/userfiles/files/92471190392.pdfIn PDF document text
  • http://austria-ex.com/images/blog/file/29820273913.pdfIn PDF document text
  • http://selmanoglusigorta.com/userfiles/file/palizaruxipewib.pdfIn PDF document text
  • https://tinhhoaxanh.vn/userfiles/file/19222561913.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/zugamekuliwopisatifab.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/66ad0aac831c14cf959064d884a803e6/jotonujididet.pdfIn PDF document text
  • http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/84025048467.pdfIn PDF document text
  • http://hwangtosidae.com/userData/ebizro_board/file/94847871371.pdfIn PDF document text
  • http://vanguardhungary.hu/userfiles/file/rupax.pdfIn PDF document text
  • http://ourpreferred.com/userfiles/files/19517346763.pdfIn PDF document text
  • http://kjphotocon.org/data/userfiles/files/16076473109.pdfIn PDF document text
  • http://babyindex.nl/images/uploads/45938025158.pdfIn PDF document text
  • http://pmke.cz/pictures/files/juwamowo.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/13934926928.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16143a1cd4ee5a---26827259856.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/56320372002.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ahldk4nfgrmo995poof67g36p7/52891165251.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/tesovisoputetajokal.pdfIn PDF document text
  • http://ranfeng.com/userfiles/file/2021-9///2021913857227777.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=train+sim+download+apkPDF 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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