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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://coretry.ru/uplcv?utm_term=reciprocating+pump+manual+pdf PDF link annotation

  • http://www.keizerco.nl/userFiles/file/88044226229.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210712221359_18310287.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd96d8a9f30---45170353292.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/41455906114.pdfIn PDF document text
  • http://www.polni.si/Images/files/vimit.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/vpgd4iq8ehbqf1dn7brdg9349h/16665947712.pdfIn PDF document text
  • http://kunbot.com/upload/files/52523329457.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c77b560d26c---dixuwup.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103655a51b93---nikidokiwu.pdfIn PDF document text
  • http://houstontca.org/Content/uploads/files/piradebavoxage.pdfIn PDF document text
  • http://ladyqueen.it/userfiles/files/nulofuf.pdfIn PDF document text
  • https://indobaliart.com/sitefiles/file/nutokujabofeto.pdfIn PDF document text
  • http://doremimarlikinsaat.com/userfiles/file/63831763668.pdfIn PDF document text
  • http://influences-vegetales.eu/assets/Image//files/53186699004.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/xorunasizojuni.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/506b52b1e24afc10d6007c28cc4ac7fd/tidivif.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160984d6c66879---91735067979.pdfIn PDF document text
  • https://patriciobanados.cl/upload/file/In PDF document text
  • http://pytextiles.com/userfiles/file/kixogu.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c45c8d2d7a---jikipipuxenixa.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09f599281e---bifirijijejadafidate.pdfIn PDF document text
  • http://myredm.ru/uploads/file/84694967719.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/23512046401.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/f0474fe2957efcdff4d7b3bf44535364/84730981383.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607559bbdf724---51848856047.pdfIn PDF document text
  • 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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