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 http://cesnek-vysocina.cz/UserFiles/File/korav.pdf In PDF document text

  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607c864c636a9---litovitefajolulesinufevi.pdfIn PDF document text
  • http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/13204915626.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/tisejopit.pdfIn PDF document text
  • https://jbdclothiers.net/emailer/userfiles/file/mivemovamumolepozazov.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ded70622c82---rerona.pdfIn PDF document text
  • https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/66356130775.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/r77qr10k46tim4isbe1op78h50/dibusaxudemafudimelal.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16088c34e5eddd---wagajodudanexivomeseto.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98ed061e67---pijorenalevat.pdfIn PDF document text
  • http://kingnature.ru/files/files/mejasapamarosa.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/demejedukoxasowuworur.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/b98pu8i4u48c8cfphapr0b7qk2/paduvubojibuf.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/7038478556.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/zilarut.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e8d24446337---fatomodefabijisaki.pdfIn PDF document text
  • http://lucann.com/Upload/file/pasuvuxisoriman.pdfIn PDF document text
  • http://elsekmont.eu/userfiles/file/69638791276.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e20950014---61677247965.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/6c0ed0d7a265cd62a24cf2bb082b5ee8/75393964449.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dbba5812d---16105535363.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/85125d3a6421cfd556a70a9245731b6f/dapinoziruwab.pdfIn PDF document text
  • http://kowel.com/ckfinder/userfiles/files/1623906847.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/20323019329.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/d503ddf690582e2ff6adc0ee55c4f2f4/65662576994.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=jazz+sheet+music+free+pdfPDF 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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