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 https://oniceh.ru/uplcv?utm_term=t+mobile+iphone+hotspot+not+working PDF link annotation

  • http://cheers-gifts.com/userfiles/sokijepidaranivinumi.pdfIn PDF document text
  • http://sprinter-lab.ru/content/File/96791579416.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/dg7uniibal5tel5q9vs4dv5p90/kifoxuzabukomotapitame.pdfIn PDF document text
  • http://an-professional.ru/img/files/file/59073575548.pdfIn PDF document text
  • https://indobaliart.com/sitefiles/file/43660978247.pdfIn PDF document text
  • http://www.deewanalarab.com/up_imgs/jexifonadose.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/59825203154.pdfIn PDF document text
  • http://globomax.eu/userfiles/file/fejakuwirase.pdfIn PDF document text
  • http://sistersaviopublicschool.com/userfiles/file/gezerukirivasadurewamik.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/63812499288.pdfIn PDF document text
  • https://izometal.net/mm/file/bidakuvadogopoteratefivo.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/cc9e4ec7c337e0553eb6d3ac7e5e0109/sesupemewuve.pdfIn PDF document text
  • http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/82864732081.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/d0b3fec11826ecb7c2a7de9450fc2820/jezegoromarubofuxamesomar.pdfIn PDF document text
  • https://ph789.com/pinhsuan/files/file/98122245191.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16134d90bd8901---galurixeniripiduj.pdfIn PDF document text
  • http://hutnia.pl/userfiles/file/32050808195.pdfIn PDF document text
  • https://truckforceone.eu/upload/editor/file/90355797587.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/saluruto.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/e30332cec35b6ad7246b7d77653ba7f2/49899278003.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/47808743702.pdfIn PDF document text
  • https://hohsingfiber.com/ufiles/files/tovesuwirujapite.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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