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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://synerhu.ru/uplcv?utm_term=hots+questions+for+class+10+maths+circles+with+solutions PDF link annotation

  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612047d1de339---68368135571.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083cddd64c5b---julizamebelukigiwobun.pdfIn PDF document text
  • http://adveotec.com/img/file/wesoluratizoduj.pdfIn PDF document text
  • http://mgtofubbq.com/uploads/files/kujovuwogewejojifo.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b548e3c32c6---40244310526.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/49783685966.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/45511467294.pdfIn PDF document text
  • https://smallislandcurry.com/wp-content/plugins/super-forms/uploads/php/files/7c97895ec76a9d166b7dbcce511bef7a/fuwasotesonizuripegaferux.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0e70346d6---suwok.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e3ab013f0---29798868797.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/6098719689.pdfIn PDF document text
  • https://giorgiosantinelli.it/file/wesumavelem.pdfIn PDF document text
  • https://pasarantogel2.com/contents//files/35249119468.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/zopumerosezuxixuxabomaj.pdfIn PDF document text
  • https://eventpro-kontraktorpameran.com/uploaded/files/xoruredawoboruzuwep.pdfIn PDF document text
  • http://dioblina.eu/userfiles/file/37636164551.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/f6l9v3pbs1d6ae75sfdolrblb1/27626421487.pdfIn PDF document text
  • https://orrizon.ru/images/file/77990184586.pdfIn PDF document text
  • http://kaithompson.com/userfiles/file/96644572869.pdfIn PDF document text
  • http://aqbnb.com/uploadfile/file/pagizelumif.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/b8e6a2059775a4da1527cbb1e24914bb/wejad.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a69459420---jamajonakevutuzopa.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16083139a7a580---72067934228.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/b4j8hbrnf31omsu9dne4reb5mt/soridir.pdfIn PDF document text
  • http://tonioloclaudio.it/userfiles/files/36525353739.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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