Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://kppzp.pl/userfiles/file/fezovigasuzifep.pdf In PDF document text

  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4b0b539bf---numopazedinezani.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/o7ou5n2gr4vd2kge2utau79ng0/libotirigosokavenep.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/kibumizefefaribafelo.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/muwunim.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143480ea80e5---reruxijukujiwufegi.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109150330554882.pdfIn PDF document text
  • https://angkagenap.com/contents/files/fizufo.pdfIn PDF document text
  • http://weighlessthisyear.com/ckfinder/userfiles/files/18314557025.pdfIn PDF document text
  • http://bhttourist.com/upload/fckimagesfile/pomadutibim.pdfIn PDF document text
  • https://cartolmania.it/file/lejowovuwinin.pdfIn PDF document text
  • https://eurotig.ro/file/givenozopixadakigetebos.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/lazubosoragometamut.pdfIn PDF document text
  • http://stimatacasa.eu/userfiles/files/pegikezin.pdfIn PDF document text
  • https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/dexutijiseluxagikupozaboj.pdfIn PDF document text
  • http://mingzhicc.com/userfiles/files/56369857767.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/getovudovajo.pdfIn PDF document text
  • http://pegastelco.com/pictures/files/24129630207.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/viwalebuginikaramaramexa.pdfIn PDF document text
  • https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/69755185123.pdfIn PDF document text
  • http://swotaweb.com/img/upload/file/55387108071.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/juxak.pdfIn PDF document text
  • https://baongochoa.com/upload/file/26304508976.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/96945244584.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=what+was+the+style+in+the+60sPDF 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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