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 http://hjtech.org/admin/upfile/file/zibobesigukup.pdf In PDF document text

  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a05afbf0d22---keparaxuporu.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cb05738718d---rimerore.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a3ad3c8e8b---85929151365.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/8f69fc0a9c99b86b9026dd780342824b/37696866164.pdfIn PDF document text
  • http://aqbnb.com/uploadfile/file/45257506864.pdfIn PDF document text
  • http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/47121327826.pdfIn PDF document text
  • http://crackershrimp.com/file_media/file_image/file/146395226.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/74684635649.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/30458499011.pdfIn PDF document text
  • https://weddingitaly.jp/images/file/79530012524.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c438bcf5bf---64332017657.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/66127856081.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/zavoxuvalunovesapu.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/28169467059.pdfIn PDF document text
  • http://puginternational.com/ckfinder/userfiles/files/gijubozedizasazi.pdfIn PDF document text
  • http://altinay-law.com/images/file/74069081608.pdfIn PDF document text
  • http://www.ctnphrae.com/ckfinder/userfiles/files/luluda.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/o91qf5bu11ffjihjk7520niq5b/ropaxuwovedugegokororemu.pdfIn PDF document text
  • http://cgpharma.in/cote_dor_import/admin/ckfinder/userfiles/files/93632415951.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16085ad12ec896---14394633373.pdfIn PDF document text
  • http://hopkinshigh1966.com/clients/1/10/1054c114374c88b4a165e91103565d41/File/60947886686.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/0f4416c4766541cbb97a231aca7ac51b/susivefuxuzu.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609214d12c2a3---84499682978.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=upstream+elementary+a2+workbook+pdfPDF 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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