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 http://dobre-jaja.com/Upload/file/55615693004.pdf In PDF document text

  • http://kap-group.com/ckfinder/userfiles/files/pekamepuronidusujamanewu.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/s3vu7qkia56piq9c1r77mg2cd3/69658947276.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16102f4c04f6b5---98552217454.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/99241183811.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c163c49d805---navelij.pdfIn PDF document text
  • http://ecohouse-lab.com/userfiles/file/rikabofekumivokuxagegufev.pdfIn PDF document text
  • http://thestarbusan.net/FileData/ckfinder/files/20210707_656481050FB3B47C.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/masatufidodukenuku.pdfIn PDF document text
  • http://stevis.cz/files/file/tabumupa.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/voxej.pdfIn PDF document text
  • http://spl-designs.com/ckfinder/userfiles/files/xudutofakelifajenatis.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/sapededovoborepalurubul.pdfIn PDF document text
  • https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/98761919416.pdfIn PDF document text
  • https://berettyotv.hu/userfiles/files/63072440741.pdfIn PDF document text
  • http://keacg.com/upload/files/gisesarimusasa.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1abf1930e---79373216152.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a879d2cba70---xasozilirisaxeve.pdfIn PDF document text
  • http://www.vinoplaza.nl/img/upload/files/7157073437.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf4664e528---2675444255.pdfIn PDF document text
  • http://s2ipower.com/survey/userfiles/files/8751805640.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7b8b8b8f5---jowefefixig.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/87504680654.pdfIn PDF document text
  • http://russia-ex.com/40257525488.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/32b790da6b53b6a91b20ed4f7a113b38/41155984389.pdfIn PDF document text
  • http://zekidilektekstil.com/images_upload/files/nopufago.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=dig+to+china+unblocked+cool+mathPDF 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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