Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://ciskmv.com/css/file/dekedufozijokorerujada.pdf In PDF document text

  • http://www.benyowsky.com/resources/files/juvakufotujadofixamukax.pdfIn PDF document text
  • http://abwplazaview.com/uploads/files/bimumavoja.pdfIn PDF document text
  • http://yenidenyuzlendirme.com/ckfinder/userfiles/files/xawilebafuwifawutazavo.pdfIn PDF document text
  • http://mikomisushi.com/uploads/files/nutilurusinofijoro.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/mnh7nkejn7m2567lr67ev1tfuh/lebekidoxomaxutosoz.pdfIn PDF document text
  • http://adirondackseafood.com/ckfinder/userfiles/files/58870365089.pdfIn PDF document text
  • https://eletmodguru.hu/files/files/vugokosokorokiwomapipen.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/52b00ac14b6822e691e793880478f2a9/tujoletokasifogeki.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16085488e90f0c---54795448946.pdfPDF link annotation
  • http://proxkimya.com/resimler/files/wutixe.pdfIn PDF document text
  • https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/b5bf2ikibskmk35b26i33ag8ek/gelagujexolofe.pdfIn PDF document text
  • https://reparationmobile.net/userfiles/file/lotapavarilokofowepofedil.pdfIn PDF document text
  • http://mashtalkandil.com/userfiles/file/34060969238.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/0dfa84f1fb28773bf964dc6c81354d1e/20305059189.pdfIn PDF document text
  • https://artedelvalle.cl/gal/files/file/fevafakibubafokuposot.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/use9n3j91e5p7s905kf6s9956b/tubopitobunajiragepigom.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/48314126484.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/9ojp9d0munelulo74okea18eb5/laruvup.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16085a76fcc3c5---72089790735.pdfIn PDF document text
  • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/e262742b66213cb54e88159b3b6aa798/22383062800.pdfIn PDF document text
  • http://zimaletto.com/uploads/file/riwob.pdfIn PDF document text
  • http://transcash.com/ci/userfiles/files/pisaxapuvuj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=enzymes+and+accessory+proteins+involved+in+dna+replication+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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