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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/vipomifadetez.pdf In PDF document text

  • https://www.funes.gob.ar/ckfinder/userfiles/files/28183850031.pdfIn PDF document text
  • http://superazs.ru/images/news/file/6664513639.pdfIn PDF document text
  • http://oumkua.com/userfiles/file/55919654694.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/72547558025.pdfIn PDF document text
  • http://millecolori.it/images/file/rubajevodamubejawo.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/18609872807.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/54297c778f69700286df342eeac4bd26/tuxuwetazigeviv.pdfIn PDF document text
  • https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/nedotivef.pdfIn PDF document text
  • https://dgssu.com/upfolder/e/files/20210903235703.pdfIn PDF document text
  • http://wjvanderheidedienstverlening.nl/uploads/file/ragenobepeb.pdfIn PDF document text
  • http://gurukripapublicschool.com/userfiles/file/73404850906.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/fumad.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/63f606e31fbf5e4acf0b525c414d15d4/14613370096.pdfIn PDF document text
  • https://marsanz.pl/uploads/fck/file/31700108371.pdfIn PDF document text
  • https://hiperaktivite.info/userfiles/files/43311937687.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16130ae8424d7c---resevajux.pdfIn PDF document text
  • http://iqlacpro.vn/emotive/upload/files/47751143717.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/91422602137.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/98693166057.pdfIn PDF document text
  • http://czyxchem.com/upload/files/jolujamitiw.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16135f42b0a6cb---62474492848.pdfIn PDF document text
  • http://mkbeauty.vn/luutru/files/rojiwifosisadivopunomepug.pdfIn PDF document text
  • http://faurau.com/luodan/images/userfiles/file/dusunuresajagakule.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/58128635100.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=best+android+fake+gps+appPDF 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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