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
• 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.
• Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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 http://dgone.kr/userfiles/file/20220204103301.pdf In PDF document text

  • http://dobrodetel-tula.ru/kcfinder/upload/files/mupisopatezagala.pdfIn PDF document text
  • http://www.sunriseacademy.in/ckfinder/userfiles/files/11988410052.pdfIn PDF document text
  • https://tinajozu.weebly.com/uploads/1/3/0/8/130874666/16729f1de49b.pdfIn PDF document text
  • https://kunizemofowirux.weebly.com/uploads/1/3/4/3/134311671/wopodisumezugik.pdfIn PDF document text
  • https://10fci.net/userfiles/file/gufotaropaguxokor.pdfIn PDF document text
  • https://rawebitor.weebly.com/uploads/1/3/4/3/134337567/rimok-razeguvi.pdfIn PDF document text
  • http://stavebniny-pyramida.cz/admin/upload/files/zukonodivexikebujosexix.pdfIn PDF document text
  • http://manoharvatikaschool.com/userfiles/file/paminajivateguwane.pdfIn PDF document text
  • http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/fejofuwerorakanodejapapuv.pdfIn PDF document text
  • https://xabuvaxogek.weebly.com/uploads/1/3/5/4/135400262/xuguko.pdfIn PDF document text
  • https://xofenozupe.weebly.com/uploads/1/3/4/5/134500057/1602197.pdfIn PDF document text
  • https://likemojinefafus.weebly.com/uploads/1/3/1/4/131406739/nizejafotuzupe_narakawe.pdfIn PDF document text
  • https://duongthuy.net/userfiles/file/jabosokar.pdfIn PDF document text
  • http://naphogacomposite.com/upload/files/xixofor.pdfIn PDF document text
  • http://ranc.hyncice.eu/userfiles/file/57520976119.pdfIn PDF document text
  • https://www.icdsa21.scrs.in/kcfinder/upload/files/63020128037.pdfIn PDF document text
  • https://norin.co.za/YmrXLWy8?keyword=notepad%20for%20java%20programming%20free%20downloadPDF link annotation
  • https://sojinunanujiwok.weebly.com/uploads/1/3/5/3/135311630/febapixofufenabodo.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 extracted file (font_00_sfnt_off0000cd4c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000cd4c.bin)

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