Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://inwebjor.ru/uplcv?utm_term=how+to+unlock+a+document+in+pdf PDF link annotation

  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/e79d68200452a136920da873da62392f/kinokap.pdfIn PDF document text
  • http://charontrade.hu/data/file/14999337948.pdfIn PDF document text
  • http://global-leasing-management.com/uf/file/kifejilasut.pdfIn PDF document text
  • http://duythuc-bearing.vn/uploads/userfiles/file/bupetexosazizuwojop.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b84c876c0dc---xevadewijipixi.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/10853483027.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/hpsckgvs62bkmoldlfacpufbrf/fidapupasumemazon.pdfIn PDF document text
  • https://iohrp.org/f_files/files/5503622063.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/zenem.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160c959d91a3da---43647701375.pdfIn PDF document text
  • https://bursac.net/userfiles/file/94600275850.pdfIn PDF document text
  • http://rymwid-training.com/userfiles/file/54805734383.pdfIn PDF document text
  • http://xedaptheduc.net/app/webroot/uploads/files/nenekumirut.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c455f0e1455---91857570916.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/vigezulafisisenukela.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612597e3430c6---19098505721.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/57500561015.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/semibuk.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8157e54ebc---xusavopewarijag.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160871a256fc22---98277844745.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/5fff2fafe96c159721ca7c04e7c26f72/kagolenabitodizowubeveguj.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077faf21b557---32610886332.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/12466085667.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079921406cb8---dozixexodufotusoxazi.pdfIn PDF document text
  • http://thekitchendesignstudio.org/uploads/files/74971900187.pdfIn PDF document text
  • http://wabasnb.com/files/fckeditor/file/68543220860c23c12c61d4.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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