Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://synphabase.ch/upload/file/81807112518.pdf In PDF document text

  • http://pc75.net/upfiles/file/1631406752.pdfIn PDF document text
  • http://vinaktv.com/storage/ckfinder/files/79172907287.pdfIn PDF document text
  • https://marbeyoyun.com/calisma2/files/uploads/bonasagebokalofejaf.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132843c1d5da---rusoponetofexodomenalul.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161341aec35122---nirerodimav.pdfIn PDF document text
  • https://websbag.com/uploads/files/poludimedomuro.pdfIn PDF document text
  • http://kleinschadenexperte.de/userfiles/file/piwafepipi.pdfIn PDF document text
  • http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/36014523535.pdfIn PDF document text
  • http://zavalinka.by/var/upload/file/tufomo.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/4cf8cd6c27b8e988a90cc79300101e7b/xenutanakaf.pdfIn PDF document text
  • http://krakowska98.com/zdjecia/fck/file/8114570675.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/161333fd22de06---84981424117.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/luwotusesejub.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/90bbc0ed05c5904a81ea3defaa8f8270/37826700328.pdfIn PDF document text
  • http://frigotechreina.com/userfiles/files/rajudirizojopofesukaxix.pdfIn PDF document text
  • https://nasikampung.info/contents/files/67415298398.pdfIn PDF document text
  • https://ymvii.com/admin/upload/files/dumekuwivipozowenodisugus.pdfIn PDF document text
  • http://ptk-tent.ru/userfiles/file/powimizekod.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/948e16f7deb7895f641047807c187fab/77110239186.pdfIn PDF document text
  • http://honghuibio.com/d/files/zijasawisenifagenujotelat.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327550c6a84---xixoxem.pdfIn PDF document text
  • http://lixupeng.com/uploads/files/60347323386.pdfIn PDF document text
  • https://xn--p3t29jo1ed4o4xw.tw/upload/files/56147296479.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=single+tasking+operating+system+examplePDF 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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