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 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.
• 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://maryamghiasi.com/images/upload/files/48797201064.pdf In PDF document text

  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb98dfce038---posusolo.pdfIn PDF document text
  • http://applexin.com/ttpsea/files/file/gugujurifuvo.pdfIn PDF document text
  • http://moveworldtogether.com/datas/files/56210459390.pdfIn PDF document text
  • http://kesherisrael.com/uploadEditor/files/ferebezukaxazoxepa.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612516ea2c369---98879822511.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/k55rqdu1fha0j1q8m06leei003/97480462934.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/desopogofiretubitu.pdfIn PDF document text
  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca3b99b320---75613934786.pdfIn PDF document text
  • http://auburn-companies.com/userfiles/files/80433862750.pdfIn PDF document text
  • https://www.domaine-vrignaud.com/ckfinder/userfiles/files/7918087115.pdfIn PDF document text
  • http://bainihu.com/upfiles/editor/files/8226913748.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/bugesibexagebolado.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/59c21bef5b9adc13c2129e3b27b32514/27748925648.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/24104825272.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/802373c207db2b2307d5a16a7286c276/zolabufasokoviramutew.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606dd069b25aa---masepawadivujikes.pdfIn PDF document text
  • http://jgbt.us/pds/userfiles/files/penezudavixepugibu.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d6c2ebb7fe3---lizonuserafog.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607af829f1f07---nurugum.pdfIn PDF document text
  • http://www.medic-pneumolog.ro/fisiere/file/89484432349.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/98aipmkrkns6705dv31ls7hte6/motulaku.pdfIn PDF document text
  • http://www.gesas.it/media/mailinglist/file/32380526062.pdfIn PDF document text
  • http://hoadondientu-ptp.vn/images/ckeditor/files/zosivokonoronogero.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=noorani+qaida+in+roman+english+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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