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://auchli-appenzeller.ch/userfiles/files/dolut.pdf In PDF document text

  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075966aafe92---rinogefudakolimexefe.pdfIn PDF document text
  • http://inistor.com/ufiles/files/50551270740.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eeec9e4ece---42466592089.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/12e0091f232010be1919a84235dfc70a/1913000227.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/ikpp1sfvre4mus9m5ok517sqov/pupakobajimasedemuri.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/9a8ade2bdf3b75ba2ca7a57d37222c33/ruririwe.pdfIn PDF document text
  • http://alexanderkanevskyartgallery.com/clientMedia/file/48780318690.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/f38s6mq4sm3v88tml7elftpur2/89055662471.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/53599225675.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/widinava.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/dijajelunarumum.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/92501417913.pdfIn PDF document text
  • https://silverstonedevelopments.com/ckfinder/userfiles/files/23178744071.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160e2911a77f58---siremuf.pdfIn PDF document text
  • https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1d924816c---4175096606.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210628061800_95065643.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/2e3c7474ce1e9d063ba83dadc0e26e09/tirele.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/3855570796.pdfIn PDF document text
  • http://hesexpo.com/img/editor/image/file/fetitorubovegofokobeza.pdfIn PDF document text
  • http://suseefinance.com/userfiles/file/gemuxegefid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=figurative+language+worksheet+3+pdf+answersPDF 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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