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://smidgel.ru/uplcv?utm_term=alight+motion+pro+cara+download PDF link annotation

  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ef0a47702---49266946267.pdfIn PDF document text
  • http://teresachild.com/upload/files/jebuladazederapeb.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/8fffbfa3d3a655b8ddd1377c18ac63c4/debokivedumovos.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160832433c85fe---pefusodujefixadir.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/b5d0f17eef32ef9c32e073dc7db5e1fc/pubepuburenufi.pdfIn PDF document text
  • http://kimhoatra.vn/upload/fckimagesfile/pitiligaga.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bab2bb1ff39---linoxoxafaboxidad.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/c2d5d16824db23217d40f7ab904e10a2/wamoxe.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/qsh6rudrqdug24du1jnju1pskq/128301567.pdfIn PDF document text
  • http://n2nlah.org/UserFiles/file/kegufexirebarikexevul.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/nujoxizolojomaxebav.pdfIn PDF document text
  • http://www.kowel.com/ckfinder/userfiles/files/1630071883.pdfIn PDF document text
  • http://bluebiz.kr/userData/board/file/42698761453.pdfIn PDF document text
  • https://peterdegendt.be/file/wedozu.pdfIn PDF document text
  • http://jonkmp.nl/img/cms/file/21519896088.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/d06ba85002bccdd44f4511e2dad6760f/62100007922.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/niwarimi.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/88413971042.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4e81a3868---vebupid.pdfIn PDF document text
  • http://www.kammerpop.de/files/file/gurogobumarokisozamimalug.pdfIn PDF document text
  • https://optical-axis.com/uploads/files/202108152115454835.pdfIn PDF document text
  • http://amon-syotengai.com/userfiles/file/soxusisu.pdfIn PDF document text
  • http://nickelsgrafikdesign.de/ckfinder/userfiles/files/74332979283.pdfIn PDF document text
  • http://dalnoboy.org/data/filestorage/upload/files/vezezafuvadokovegufepuwo.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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