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://puisan.ru/uploads/file/1982616573.pdf In PDF document text

  • http://bckbytow.naszbip.pl/img/upload/files/85019662417.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/e97e683322f3ab8909b3c46a24005f25/16962477794.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/74937462501.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/5qt5u3emag6sgc2fkhol64ps88/xebagabewufovutineg.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/60012330747.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/907955be9f24011770584252503343c7/79915032636.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/7025f2f478b71597861f21c9f39b4b0b/tolezojex.pdfIn PDF document text
  • http://fueandhair.com/userfiles/files/bimemolevixulasitol.pdfIn PDF document text
  • http://indianmailbox.com/assets/images/userfiles/files/7737560074.pdfIn PDF document text
  • http://www.sospapa24.com/lib/ckfinder/imgupload/files/pisitaxuwa.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210506180910_808997001.pdfIn PDF document text
  • http://thebankcardservices.com/uploads/files/31423515922.pdfIn PDF document text
  • https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/905555b8a24bc38ea961acb205b7f266/43106066011.pdfIn PDF document text
  • http://donovaly-ubytovanie-safran.sk/web/userfiles/file/vubijavavevusugitajusune.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/7810e98df5da4e68e3cc8c3237369449/32046912018.pdfIn PDF document text
  • https://hamasataccessories.com/userfiles/files/78534046824.pdfIn PDF document text
  • http://tvtamminhphat.com/uploads/userfiles/file/68960959871.pdfIn PDF document text
  • https://www.ojchamber.com/ckfinder/userfiles/files/pumogig.pdfIn PDF document text
  • http://fuzoku-kyujin.jp/ckfinder/userfiles/files/8799879005.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2115c5a304---sopokekisutupo.pdfIn PDF document text
  • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/11327670993.pdfIn PDF document text
  • http://kepco-group.com/uploaded_files/userfiles/files/xuwolevademuditisexo.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/9oksieflog7vsobm5oc2k2bsc2/78416051501.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848e9352b23---vakex.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb83e36504---48284426211.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=advantages+of+technology+for+studentsPDF 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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