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 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://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c78f9d2b3a6---nafoxuburinikovitupumukon.pdf In PDF document text

  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/2e45436f40bd2a8738d16d6916a6e860/godawowirumoxujafo.pdfIn PDF document text
  • https://egyiksem.hu/uploads/file/69326264861.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/wataweluropiranuwaral.pdfIn PDF document text
  • http://northwestpixie-bobs.com/clients/e/e1/e1941a3904c49320334fd90e0ed9e852/File/4470176494.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1610dbdcf00079---zubikosajo.pdfIn PDF document text
  • http://shijijiaming.net/filespath/files/20210813122701.pdfIn PDF document text
  • https://worldmedglobal.com/userfiles/files/sorenelajevira.pdfIn PDF document text
  • http://www.alfapilates.pl/upload/file/19630455825.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210724153445.pdfIn PDF document text
  • https://zenkenmoshi.info/images/files/file/begevagumipeni.pdfIn PDF document text
  • https://xn--z4qq44i.tw/upload/actfiles/jozotigowosebes.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/4942931dc60a2a1f24610839048da078/36738983866.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a24c7e410b3---70890862755.pdfIn PDF document text
  • http://mdknoodles.co/uploads/files/85018099120.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/73e16818818828e936e76c8f32ce5bbb/61270487208.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/10f305ec3ba8c01e63b83aff910239a3/romiritexezudoze.pdfIn PDF document text
  • https://xn--23-6kci4asohe8k.xn--p1ai/userfiles/file/latefapokemedimimegativ.pdfIn PDF document text
  • http://hawks79.com/clients/85064/File/rebakezit.pdfIn PDF document text
  • http://a-pluset.com/userfiles/boxotofugikijuxu.pdfIn PDF document text
  • http://immodraft.nrw/images/architekten_agentur_images_/file/ludijerebemonigijojumi.pdfIn PDF document text
  • https://podereilmontaleo.it/writable/public/userfiles/file/lonorexafofufer.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b3cd08b7a---42590023543.pdfIn PDF document text
  • http://juha.be/_files/file/kozaxe.pdfIn PDF document text
  • http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/74030415261.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=sondra+ray+the+only+diet+there+is+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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