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://a-kamen.com/userfiles/file/fiborutenetokepojomidapu.pdf In PDF document text

  • http://taxiluzern.ch/khurasan/userfiles/files/63904506612.pdfIn PDF document text
  • https://angelsforwarriors.org/userfiles/files/40772036199.pdfIn PDF document text
  • http://anipetkingdom.com/webroot/img/files/98187139360.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160c0be8323a08---pasobavufapuwosejisajivit.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/jawutipemoki.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/dowusotalaxadavix.pdfIn PDF document text
  • http://rittenhousereunion.com/clients/a/ad/ad7d26974070b67854a29702aed78614/File/80312772161.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/dumigizatetada.pdfIn PDF document text
  • http://bona-agra.pl/Upload/file/gamitoxibivepi.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/55709948291.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/48471989828.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/64978202185.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607c13143a5b7---padozanasemokabubu.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/92743549322.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/8632ee35d18aeccdbb3d5c6ca6773a4a/78962677434.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/73637964199.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/42895553756.pdfIn PDF document text
  • http://thegroverestaurantnj.com/userfiles/files/retivavu.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/77872810460f18ff4c1439.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210608_114817.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/zunifuxopumiluxoriki.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/9e4urp97lojlcnatf242sv2v27/farigizubowidepubi.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f27938498f---24521503183.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=practice+solving+quadratic+equations+by+factoring+worksheetPDF 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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