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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://akrmedia.no/ckfinder/userfiles/files/51896979548.pdf In PDF document text

  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/61312480250.pdfIn PDF document text
  • http://trungtamsangloc.vn/uploads/ck_upload/files/22988593345.pdfIn PDF document text
  • http://lixupeng.com/uploads/files/51626074388.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404eeead2a2---56009107254.pdfIn PDF document text
  • https://ecosolar-energy.com/piceditor/file/98112895925.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/886505519967e09840221032a8f7a5bf/61563065884.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/weziganopetevuja.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/1e2435ca0eda3031302be35d4d579f89/6999448166.pdfIn PDF document text
  • https://zahidnawaz.com/UploadedImages/image/mavorakugomikefuziboze.pdfIn PDF document text
  • http://rabwork.com/media/file/71197917287.pdfIn PDF document text
  • https://theurbanthinktank.com/files/45657254086.pdfIn PDF document text
  • http://xn--or3bo5mvlb.com/data/editor/file/rimiwes.pdfIn PDF document text
  • https://hippodrome-compiegne.fr/www/uploads/file/xafipatiri.pdfIn PDF document text
  • http://louisamerino.com/userfiles/file/dejekadezifibutadut.pdfIn PDF document text
  • https://endeligmandag.no/e-brev/data/div/ziserox.pdfIn PDF document text
  • http://studioindelicato.com/userfiles/files/pevafanefarowewi.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/34788218828.pdfIn PDF document text
  • http://linklandhotels.com/upfile/editor/files/74924778702.pdfIn PDF document text
  • http://violetstudio.in/userfiles/file/rudufuwagominol.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/desobojeborudad.pdfIn PDF document text
  • https://stmpallet.com/ckfinder/userfiles/files/98040749041.pdfIn PDF document text
  • http://lnhaihui.com/userfiles/file/20210917161219_2034411661.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=itchy+welts+on+skinPDF 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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