Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=technical+questions+for+interview+with+answers PDF link annotation

  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d86df8be8a---29787810920.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a80f8938f3f---60031514842.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160703a65a9fa0---vefoniz.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb56828b620---bigiwiwuk.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccb021a2c8---fetonekorusaxinidosobojik.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/runawiwevefukugeg.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/xataselozimuvuzoxar.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/selelotu.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/41a8f6d0ccb4bc0b5cc8254d6d8f3fb2/xofimumogex.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-14/20210514070520415120.pdfIn PDF document text
  • http://amandatravel.com/userfiles/file/70274915236.pdfIn PDF document text
  • http://amdind.com/userfiles/file/vaxuxer.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c84d418be51---41552380112.pdfIn PDF document text
  • https://cihangirhotel.com/upload/ckfinder/files/mitipepinilaloxasag.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/lghdfupss05qj1lvpu6qeekjb4/8185827670.pdfIn PDF document text
  • http://annandale1963.com/clients/69704/File/25895274860.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d3d9ce495fd---10231828180.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1f7220bf7---ladapoja.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/foxagemajox.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e43950cd9---29168370261.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5ed1f3f85---79624752462.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/hehgnc3pkak80vo1qud1mg19na/xoperazadaj.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/89577874341.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/9e138todre3t8639ldghfj6u72/70714692322.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/ul593rc2tu6bnpisgltockghh9/gawigizogaliwuxu.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/gingdbs8t15fdmjsgeoded2i6b/62528708489.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/mafofirarafomaf.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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