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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://cokhivietuc.com/img-vietuc/files/67047977698.pdf In PDF document text

  • https://deesudcoolingtower.com/userfiles/file/fidudorowa.pdfIn PDF document text
  • http://sreecollegeofpharmacy.com/admin/kcfinder/upload/files/54027980480.pdfIn PDF document text
  • https://lejukeju.weebly.com/uploads/1/4/1/3/141351868/putilutafupid_nepazopisoto.pdfIn PDF document text
  • https://lisebozaran.weebly.com/uploads/1/3/4/6/134694889/dorigezale_zelofen_gamaxonij.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/4369809377.pdfIn PDF document text
  • https://supremeroi.com/FCKeditor/file/72796321559.pdfIn PDF document text
  • https://rodamopuxex.weebly.com/uploads/1/3/4/3/134354351/dedaxegixifawimipod.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/fufomu.pdfIn PDF document text
  • https://yam-token.com/business_school/uploads/file/pefifudijitakabagalem.pdfIn PDF document text
  • http://faceti.es/fil/ckFiles/files/kigarixelijaza.pdfIn PDF document text
  • https://muzipafubalezan.weebly.com/uploads/1/3/4/7/134702745/7479db2a5277d.pdfIn PDF document text
  • https://rerofijujujedo.weebly.com/uploads/1/3/1/8/131872137/xokifurelokej.pdfIn PDF document text
  • https://jawetixadal.weebly.com/uploads/1/3/1/6/131606755/6650380.pdfIn PDF document text
  • https://jafakatulo.weebly.com/uploads/1/3/4/3/134353771/gexedaw.pdfIn PDF document text
  • http://gradn.ru/uploades/fckeditorfile/93184333135.pdfIn PDF document text
  • http://vizitcard.kz/uploads/files/83757212567.pdfIn PDF document text
  • http://arndt-fahrschule.de/userfiles/file/72434356780.pdfIn PDF document text
  • https://pilonalamajavex.weebly.com/uploads/1/3/1/1/131164122/96f7286c04e3de.pdfIn PDF document text
  • https://vubinejenifa.weebly.com/uploads/1/3/4/4/134444695/bilevuvedug.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/e4ikkk11nanv889jsb4dl2kdf7/rawometuxalekuzoladiz.pdfIn PDF document text
  • https://lovig.co.za/YmrXLWy8?keyword=burley%20honey%20bee%20weight%20limitPDF 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 extracted file (font_00_sfnt_off00012cfc.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00012cfc.bin)

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