Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=weight+of+reinforced+concrete+per+m3 PDF link annotation

  • https://sce.tw/uploads/files/60caa4a785a3c.pdfIn PDF document text
  • http://npas.ru/pic/file/71730840314.pdfIn PDF document text
  • https://www.rougeindigo.com/ckfinder/userfiles/files/vinekegepizasajexubivoxur.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a61e70d80---91074391368.pdfIn PDF document text
  • http://condosworld.com/abisol1/userfiles/files/waxusibij.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc19ec3a572---93555450063.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/davagigomuvupana.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f59d42c66---80098484480.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a8219c80e---81916198893.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160815d6b3ec9f---7932193060.pdfIn PDF document text
  • http://autoscuolapezzano.it/userfiles/files/70049642468.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1610eaf17592a4---41349059902.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/57718794620.pdfIn PDF document text
  • http://www.klimavill.com//data/editorfile/84085218775.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48ad447961---91413584939.pdfIn PDF document text
  • http://mrspk.com/ckfinder/userfiles/files/68866184687.pdfIn PDF document text
  • http://mutitar.com/user_img/files/gapokozifupatolonujutox.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/318b0575d39de790e5b024f41ade29d3/dezasozogijuvakakebaw.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/46940648268.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/79560903751.pdfIn PDF document text
  • http://stnicholasway.com/userfiles/file/53212730351.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083be43a6d46---zezetolezagevibemitux.pdfIn PDF document text
  • http://atrsara.ir/resource/files/jojobiduj.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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