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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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 https://cructi.ru/uplcv?utm_term=camera+hack+link PDF link annotation

  • http://transportdiverse.com/uploads/files/56881525881.pdfIn PDF document text
  • http://mvdeastudio.it/userfiles/files/6849720071.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/0b90492fde4cae457279c45f71eb0ab7/sibopevun.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/bewavareboresiledifeli.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/74665307053.pdfIn PDF document text
  • https://happen.webasl.com/userfiles/file/9701713960.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/42a0f135a10a1d913a84aabfac9bddda/62371069915.pdfIn PDF document text
  • http://dxqzx.com/ckfinder/userfiles/files/20210924_121559.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/5857593079.pdfIn PDF document text
  • https://paymentor.nl/uploads/file/3126254904.pdfIn PDF document text
  • http://kahounova.cz/userfiles/file/zebidir.pdfIn PDF document text
  • http://ideal-site.ru/userfiles/file/41940471444.pdfIn PDF document text
  • http://sakurahoaanhdao.com/webroot/img/files/92655471106.pdfIn PDF document text
  • https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/73553295829.pdfIn PDF document text
  • https://hotelangela.hu/userfiles/file/66275044737.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/dejebak.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/92d112c5b6b830c366e62d93b1273b7f/rigekuvukeloxesor.pdfIn PDF document text
  • http://3mfa.com/images/editor/files/84023719272.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133dc78cbe93---16451698304.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/95567226580.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614238daa5f38---ronevese.pdfIn PDF document text
  • https://helicopterleasingservices.com/userfiles/files/tujowizatilosa.pdfIn PDF document text
  • http://gsnursing.in/ckeditor/ckfinder/userfiles/files/43859937967.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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