Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://laborke.ru/uplcv?utm_term=the+dismal+descent+afk+arena PDF link annotation

  • http://thuduchouse.vn/pics/file/bipidafodova.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/mopajeler.pdfIn PDF document text
  • https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/99336645797.pdfIn PDF document text
  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/37961414159.pdfIn PDF document text
  • https://maisonforville.be/documents/file/83160934155.pdfIn PDF document text
  • https://kirmatas.com/userfiles/file/80517239428.pdfIn PDF document text
  • http://naim.naparts.com/images/fck/file/fixozawofurenokudaba.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/ae9601dd834dcd19741027d885f3b1be/38877867103.pdfIn PDF document text
  • http://morebricks.com/ckfinder/userfiles/files/raxerufawimekudupalewizel.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615aa86581f51---3817158788.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/vikuna.pdfIn PDF document text
  • https://quangcaowebsite.xemlaco.com/uploads/files/sokaxorovovelubu.pdfIn PDF document text
  • http://tindangnhadat.vn/upload/files/65883021570.pdfIn PDF document text
  • http://drapa-technika.cz/UserFiles/File/natijuxokifepisisanu.pdfIn PDF document text
  • http://zenobiacultura.it/userfiles/file///16933365459.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/15031667969.pdfIn PDF document text
  • http://veterina-hrib.cz/user-uploads/files/tusizejixufezixojige.pdfIn PDF document text
  • http://www.siphonicflowmandiri.com/upload/files/vilokekumeruk.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/93b991eb0b71be2209ef5035e522274d/sawizikinakisowaji.pdfIn PDF document text
  • http://crystal-lamp.ru/uploads/files/wetaxutufafi.pdfIn PDF document text
  • http://flapboxes.custompackageboxes.com/userfiles/files/62531881587.pdfIn PDF document text
  • https://gregoryshow.ru/files/file/7998960475.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/josesubidonojugix.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/42188941759.pdfPDF link annotation
  • http://ibnuaffan.com/ckfinder/userfiles/files/puzixipopupanunomaw.pdfIn PDF document text
  • http://fusiongrup.ro/userfiles/file/vovaforadi.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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