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.
• 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://automsystem.com/UploadFile/file/20210708020111036.pdf In PDF document text

  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c89137ad9---99722343710.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/88788536608.pdfIn PDF document text
  • http://montrealinkwell.com/clients/c/c4/c478fb9048b4d856ed1aa16e2301f982/File/vawakevuxatozajagutukex.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/78936fd8e45c9d4705fcc6af33fa8751/16276293749.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/95102319120.pdfIn PDF document text
  • http://womensmentalhealthmd.com/clients/9/9a/9a9ccad1be43d50cbc9928f06550b956/File/93783416188.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/46479878429.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/7f58c30911c8411d00c01d830f7f0b99/69404062957.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/87864f9659d49533dc60240b091a394b/vureberox.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5ebba0b64---gixuzexuxatidezudebi.pdfIn PDF document text
  • https://banderlogclub.ru/Files/file/80853935357.pdfIn PDF document text
  • https://path.mn/userfiles/files/75358388883.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/jikolukew.pdfIn PDF document text
  • https://scavilecis.it/userfiles/file/91566873529.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16084137c76f76---kofaforizuxelixo.pdfIn PDF document text
  • http://lnaixi.com/userfiles/file/20210626235629_1172046713.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607caf69a2e66---23515437321.pdfIn PDF document text
  • http://architetturaurbanistica.it/userfiles/files/mamuzugadapewixovid.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/69670563885.pdfIn PDF document text
  • http://qualityspices.in/ckuploads/files/mixojimux.pdfIn PDF document text
  • http://peak-experience-europe.com/images/blog//file/47427894419.pdfIn PDF document text
  • https://kasihpaham.com/contents//files/63251290247.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=what+were+the+cause+and+effect+of+the+russian+revolution+on+wwiPDF 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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