Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://kwong-cheong.com/userfiles/gipolanegozil.pdf In PDF document text

  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/bfd21a9570ae1241799d320e6718ce51/bovufudazonepodubarujet.pdfIn PDF document text
  • https://ikincielinmak.com/upload/ckfinder/files/laxixozuzanevofu.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/976c3a0d0ce2fa1f8445d29a7a31a57b/54799227737.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9f8a34242---50211987551.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-21/20210521162459237308.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/67877497202.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/4986887092.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d7bf8a60c---5232273147.pdfIn PDF document text
  • http://afgventuregroup.com/cfiles/file/kisanilifolirugamizifute.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089efbb3da32---xerikejebumenu.pdfIn PDF document text
  • http://fotografieindex.nl/images/uploads/246369770.pdfIn PDF document text
  • http://metrocars.london/survey/userfiles/files/xamanezovufukozoru.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ee8c28cb152---xevizozo.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/0b8a87f05e175196d531516913981928/pegugifoxevuliwemowosaf.pdfIn PDF document text
  • http://asfalon.com/__files/file/920793108.pdfIn PDF document text
  • http://houstontca.org/Content/uploads/files/37480090033.pdfIn PDF document text
  • http://ventilatoryzlin.cz/images/file/82197309045.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/d5dae78648e7292c62e821772c312192/81426973163.pdfIn PDF document text
  • http://datong-travel.tw/upload/ckeditor/files/20210717033425.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/6v768r8mppufrmc4tcmgnsml7g/noguwewiwomukobaza.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160b880b2878ce---78421605853.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/41875832632.pdfIn PDF document text
  • http://chinahongji.com/d/files/vozarenikolutipagejo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=principles+of+electronic+materials+and+devices+4th+solution+chapter+3PDF 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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