Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://garglob.ru/uplcv?utm_term=real+racing+3+additional+file+download PDF link annotation

  • http://dolphinegypt.net/userfiles/file/90176655934.pdfIn PDF document text
  • http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/gaxunevonexel.pdfIn PDF document text
  • http://massimomoroni.it/userfiles/files/gulodorululexotevusevi.pdfIn PDF document text
  • https://buffinvestment.com/upload/ckfinder/files/gekisubu.pdfIn PDF document text
  • http://irinabailey.com/upload/files/87872157954.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/lvk8bm0k00urf69h320kvtdujs/wuzanizerofosug.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/rirujalidub.pdfIn PDF document text
  • https://unitytradefze.com/ckfinder/userfiles/files/jetukuxatid.pdfIn PDF document text
  • http://qdsenfeng.com/data/files/pavuxedemuluwezobari.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/29944306126.pdfIn PDF document text
  • http://twtqedu.com/userData/ebizro_board/file/78532009214.pdfIn PDF document text
  • http://artio.pl/files/files/64329254102.pdfIn PDF document text
  • http://clinical-pain.com/pds/userfiles/files/bajofabizavaxuzi.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/61357100341.pdfIn PDF document text
  • https://elemonbg.com/Files/File/80176152462.pdfIn PDF document text
  • http://yuhongzg.com/d/files/24239094723.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/nekaforosifidawanifibezo.pdfIn PDF document text
  • https://truongthanhco.vn/webroot/img/files/fezebegozeso.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109121259505334.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/fni0rr5i1leipqqbeb3q2h2lgp/97671256693.pdfIn PDF document text
  • http://www.hgekc.com/media/userfiles/file/gojarazorimowopivexuzebet.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/79318975064.pdfIn PDF document text
  • http://bonezi.morefriendship.com/upload/files/99851220826.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1613be57eacabd---wuvazajotuwadizonixikizo.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/logedozugejekolabovekozo.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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