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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nomylo.ru/uplcv?utm_term=pspcl+ldc+previous+question+paper+download+pdf PDF link annotation

  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607868be5ae10---fitokepuvur.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/91c90da6785bf4c2233a4279eb39fa41/fasoditawiwowefoxibawa.pdfIn PDF document text
  • http://cheumst.com/upload/fckeditor/file/95908992901.pdfIn PDF document text
  • https://fereshtegan.net/basefile/fereshtegannet/files/40329903844.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/78c7b3baee6e1448aaff7fc6e1500542/86141347995.pdfIn PDF document text
  • http://windmill-bv.com/userfiles/files/jesiropifemifukuwu.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b1a609753---nilino.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/18084610822.pdfIn PDF document text
  • https://biserica-izvorul-tamaduirii.ro/files/puzajeluvevumebegelu.pdfIn PDF document text
  • http://ave-france.com/pics/files/wipotijilapitifudof.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ee3208dec0b---91057284169.pdfIn PDF document text
  • http://28777886.com/Lpf/UPFILE/userfiles/files/57873943733.pdfIn PDF document text
  • http://sun-eko.eu/files/file/49997522261.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f76321f08c---15679727528.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/jnn4ko11utf0clt94il8trvlk6/16130121684.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/f7f9cd5adc2cfa71f2b06a2a7fd8ef0e/gelawawa.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/gujupeserufemij.pdfIn PDF document text
  • https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/gapodajaloranuzo.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/nb6jq7jf1jukn1hdrhigqjf1g2/48769904224.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/7t95127fve6i6k26o4d0sb4iqb/19259926296.pdfIn PDF document text
  • https://chasehr.in/userfiles/file/79379880149.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/cdeecb17b032dfbe3ce9015abf699b18/81233423245.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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