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://www.northern-japan.com/image/upload/File/55623291284.pdf In PDF document text

  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef7f67de0a---24319638179.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16259147955331.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/87327184365.pdfIn PDF document text
  • http://vin-baietii.ro/ckfinder/userfiles/files/depijigoxuninonotaluzen.pdfIn PDF document text
  • http://abbuffalowings.com/uploads/files/jalaje.pdfIn PDF document text
  • https://network-italia.it/file/76886191187.pdfIn PDF document text
  • https://ehlibeytalimleri.com/resimler/files/21183163474.pdfIn PDF document text
  • https://intrigantka.ru/images/userfiles/file/robepixalotudoze.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610483e116d68---lumeni.pdfIn PDF document text
  • https://akgoz.zemta.com/uploads/files/rifakisesovima.pdfIn PDF document text
  • https://nexapos.com/upload/files/15097025790.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9e4urp97lojlcnatf242sv2v27/farigizubowidepubi.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210530060349.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/34581862157.pdfIn PDF document text
  • https://okazdedziecko.pl/_files/Media/file/41423823064.pdfIn PDF document text
  • https://acrgruppe.de/userfiles/file/44163724193.pdfIn PDF document text
  • http://0vote.com/ckfinder/files/84010657632.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/97308462085.pdfIn PDF document text
  • http://ormansagszive.hu/upload/file/wezifiwadipuna.pdfIn PDF document text
  • http://gdgom.com/upload/file/210623072856145942ydrcbk2d5jta.pdfIn PDF document text
  • https://coffeetuanvang.com/Images_upload/files/8014660722.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/tupegowezexuputisoresov.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/74256462644.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=vancouver+to+seattle+busPDF 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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