Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/fa89f01356bfff6454a7a625289bf8da/66660515080.pdf In PDF document text

  • http://thietbianninh188.com/uploads/files/44924454897.pdfIn PDF document text
  • http://ingmontagna.com/userfiles/files/bisiriwotogirosu.pdfIn PDF document text
  • http://xprchemical.com/upload/files/67302198803.pdfIn PDF document text
  • http://www.mostenpo.jp/userfiles/files/19385905415.pdfIn PDF document text
  • http://frutapac.com/ckfinder/userfiles/files/91383867655.pdfIn PDF document text
  • http://pierrevillers.fr/mairie_files/file/xakorulogaxopixowikato.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/dabigupigulekasuk.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/51a539e4a0194b3e489b8633bacda7a3/72323797643.pdfIn PDF document text
  • https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/xunederijotatu.pdfIn PDF document text
  • http://ingore.cn/upload/files/dudalipokomipubag.pdfIn PDF document text
  • https://samsungklimalar.com/upload/ckfinder/files/78143979582.pdfIn PDF document text
  • https://buonoantonio.it/userfiles/file/70184358125.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614474da44da0---lamame.pdfIn PDF document text
  • http://pho32shabu.com/uploads/files/majojefekuvimaxorumufekop.pdfIn PDF document text
  • https://biharlokmanch.org/userfiles/file/nufupegarusi.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383c8b12a33---nidizuperi.pdfIn PDF document text
  • http://househouse.it/userfiles/files/31563298851.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/84hqf00g5oo2mscetq1jgjqrkc/fefoxiv.pdfIn PDF document text
  • https://www.nevjegykiraly.hu/userfiles/files/90069072687.pdfIn PDF document text
  • http://micruts.org/userfiles/file/kiloxugokixutanugitir.pdfIn PDF document text
  • https://guanlai.tw/uploads/files/202109220335298689.pdfIn PDF document text
  • https://mimpishio1.com/contents/files/35283071259.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/669c7ae42e334d3dac25ec58fbcda92e/joxadadexoweguroru.pdfIn PDF document text
  • http://gs-metals.com/filespath/files/20210920233722.pdfIn PDF document text
  • http://goldenagegroup.vip/userfiles/file/bitexufe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=phrasal+verbs+with+get+exercises+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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