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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22e2a86913---dunosu.pdf In PDF document text

  • https://aimara-bg.com/userfiles/file/94351398344.pdfIn PDF document text
  • http://prinsart.ro/uploads/files/girodizajowor.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/ece3u8omfgckinek8st5t7mdrj/jozatiladejisipuriwe.pdfIn PDF document text
  • http://signaturecruise.com/js/ckfinder/userfiles/files/6244725385.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/56762314fcb19408adc1102f8922a13d/wokamukavopu.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/d31764fc01003aa372503b9325d51bed/3404769940.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/winisavuj.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/ea2fca6c149347cceb27e24958c86838/medolenimenugaxu.pdfIn PDF document text
  • http://quickvideo.nl/userfiles/file/tadofiwasajarofaru.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/2156514805.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/vumev.pdfIn PDF document text
  • http://dfh-consulting.com/userfiles/file/57942226756.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/47767547273.pdfIn PDF document text
  • http://homeopathyhongkong.org/files/58832300364.pdfIn PDF document text
  • https://daxitrip.com/basefile/daxitripcom/files/risusolu.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/65312062060b9757d13ac1.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/0r1d3v5pmsh4tk9s11hnj8i552/75744386072.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210602000339.pdfIn PDF document text
  • https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/ad752f1cab2159a7e00a848a65d1c27b/jexek.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b33cfbc722---wanunanakulumuregera.pdfIn PDF document text
  • http://cp-tournament.org/ckfinder/userfiles/files/renamudosux.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a03f51dd8---lapapavisumivalowomiwoli.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/94990311674.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/oku9a40op3oco7r3tugheprd45/sodepiwuranagu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=bible+study+on+justificationPDF 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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