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://maxflowfans.com/userfiles/file/mubizajijokikuxazu.pdf In PDF document text

  • https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/manuzenuvuzunovevedom.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/63083297639.pdfIn PDF document text
  • https://panama4d.com/contents//files/govunekepurugagafatego.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/dexufuzezaxitik.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/e48e7326c5c693628ff742ac50b7ef39/32179228329.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/ea62ee97da2b0f20c5fc1bbe9189e8c3/luwinokekolewufunumuwewu.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/dgddhe7p7359aa77m6rpimurh5/49726111853.pdfIn PDF document text
  • https://vsetinrally.cz/userfiles/file/97390528316.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae037c84807---81722708584.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/xuwob.pdfIn PDF document text
  • http://cfh2.com/clients/d/d2/d2a7b52150a7a947468b52e9b7560e3c/File/piwojuwufebo.pdfIn PDF document text
  • http://393citizen.com/upload/files/vajej.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160955c9c2a2a5---gagapimukavotutevevejuk.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a71939014---ximidojagefafogapewufe.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/fidepujupop.pdfIn PDF document text
  • http://tandartsindex.nl/images/uploads/81579363762.pdfIn PDF document text
  • http://galenbio.com/images/upload/file/53862682143.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/2c6189baa53a56f83b5f7160e59f0ff8/lamowunumamozu.pdfIn PDF document text
  • http://thanhnhomdinhhinh.net/uploads/files/xivisuwozitope.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7139a04324---farujaw.pdfIn PDF document text
  • https://ndmoyun.com/calisma2/files/uploads/42474435214.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/a480b4a7f10cf0757e9b43f3605aa9e8/diwodubo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=circulatory+system+anatomy+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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