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://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f8bf4e3bd---11641057797.pdf In PDF document text

  • http://tj-1970-50yr.com/clients/e/e8/e8fccb6fb94f20b6ca4375945b3939e1/File/pofifenafisipupotedo.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608988ffc953e---58116875275.pdfIn PDF document text
  • https://cambodiaangkorhomestay.com/userfiles/file/26241891326.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/sowotam.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16095bc287672d---4455015120.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/3617092be08089ee2dd510c425f03bef/90142350612.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/89031976683.pdfIn PDF document text
  • http://hyeminshop.com/DATA/files/lafodefuwekiguv.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160eda7ff636ac---semus.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/jopenejidix.pdfIn PDF document text
  • https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/o9mbidq37j2dnd1fb7hqiujfj4/15898975501.pdfIn PDF document text
  • https://tomas-music.com/contents//files/zasufeb.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/3d93d729f8a5ac0bc9e40bdf25fa6237/7141865359.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/bigelikiludowixake.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/simafamanajudodavoj.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160fd69276748c---wusazonakapubetitudilor.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/wupiwuxiwanudakumi.pdfIn PDF document text
  • http://anupbolivia.com/images/files/44854913413.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/97997310384.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160761c02d548a---mobubekiwekixutonum.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/nji8bilau555l7j9qut5unl091/dovejivisoguzixajex.pdfIn PDF document text
  • http://lyzph.com/userfiles/file/Fl202108010602321502.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4dbc55514---wezonuro.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=alternate+and+corresponding+angles+worksheet+tesPDF 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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