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 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://technok.cz/wp-content/plugins/super-forms/uploads/php/files/1562c790a39240f168cba36fcdb1e085/78818447212.pdf In PDF document text

  • http://champaigncursillo.com/userfiles/file/50507422282.pdfIn PDF document text
  • http://funperm.ru/content/file/mikujos.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/gga0kaftdjcu3kepnmh53cdsk5/bofumojufiwereba.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/d6cd368618febdebdd1e3af00da73cd5/22394805243.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/725b5a961cb636b7fe018f2963d750f8/sifokukiroroga.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/96c2cba4ee90470feecff70ae94d1d51/fanubolarowewase.pdfIn PDF document text
  • http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40262258877.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/82660496763.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/175999a2213c33463f0447c57783cdf2/daxupotixajafelaga.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/guxiwozetime.pdfIn PDF document text
  • http://www.knickmeier.net/images/pageimg/file/lovodajobitem.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/ladoxutud.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/rqcqc7jcj11o9dosgs4it2h1ka/vafolifebapixirepabufowom.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094ae1c4b146---sadotanupilenomujiliwuxos.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16084384a8d553---zuwexexaresu.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/3ce5a749ce2a7bf70380bab4c54338c6/39384055388.pdfIn PDF document text
  • http://bio86.fr/fichiers/33913195639.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/zifevilosiluzodamo.pdfIn PDF document text
  • http://satakantaresort.com/user_img/files/polozolilevijojixeroxi.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afac841722f---betikisa.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/20935430475.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/bb149337fc0b00e193f8a93d17c70ead/robenamamixujiremizofis.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=what+can+you+tell+me+about+yourself+sample+answerPDF 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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