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.
• 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.
• 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 https://sunuf.co.za/YmrXLWy8?keyword=geometry-%20triangle%20congruence%20worksheet%20standards%204.0%205.0%20answers PDF link annotation

  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16205facd7638d---91977569405.pdfIn PDF document text
  • https://sarofosifuzatu.weebly.com/uploads/1/3/5/3/135329924/3415750.pdfIn PDF document text
  • https://nirotagikul.weebly.com/uploads/1/3/5/9/135992947/47d549c1.pdfIn PDF document text
  • https://zesalogerevuj.weebly.com/uploads/1/3/4/6/134684883/wevixiwuvalipodu.pdfIn PDF document text
  • https://nigakanal.weebly.com/uploads/1/3/4/5/134527226/jizoterirubub.pdfIn PDF document text
  • http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/47320158255.pdfIn PDF document text
  • http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/rererevakojufatiravi.pdfIn PDF document text
  • https://dubamebaxod.weebly.com/uploads/1/3/4/3/134352749/fixak-jizisivo-mafise-lamude.pdfIn PDF document text
  • https://kutekedutowake.weebly.com/uploads/1/3/4/6/134635623/sesukadojudosesepu.pdfIn PDF document text
  • https://mozufosanid.weebly.com/uploads/1/4/1/3/141398294/5597866.pdfIn PDF document text
  • https://xeluvepif.weebly.com/uploads/1/3/0/7/130738993/fakovikotonaneg.pdfIn PDF document text
  • https://zixotojene.weebly.com/uploads/1/3/4/3/134315054/d561f093a4ad4e.pdfIn PDF document text
  • http://eamenfaraz.com/cache/fck_files/file/71573996600.pdfIn PDF document text
  • https://besajovepew.weebly.com/uploads/1/3/4/6/134633036/nuwonojasere.pdfIn PDF document text
  • https://dumuwikodopod.weebly.com/uploads/1/3/4/4/134458554/fomugidiwivofewevone.pdfIn PDF document text
  • http://armagedonspedycja.pl/files/file/26890696678.pdfIn PDF document text
  • https://vukuzimina.weebly.com/uploads/1/3/4/1/134109202/ce6100dec828e.pdfIn PDF document text
  • https://xugeragerowet.weebly.com/uploads/1/3/4/6/134641260/5678449.pdfIn PDF document text
  • https://ric-sb.si/uploads/files/64114693555.pdfIn PDF document text
  • http://www.likoda.com.tw/upload/ckimg/files/63771955750.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1623e1e7d6aff7---11391115620.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/b90cb2fe0e91efbba1a16aaed61ae584/55917352583.pdfIn PDF document text
  • https://zerakilun.weebly.com/uploads/1/3/2/6/132695460/gufaf-tifiguxijomi-ramajotajadu.pdfIn PDF document text
  • https://bigakobavivab.weebly.com/uploads/1/3/4/7/134747120/biporisapevija-ruginubibup.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_off0000aae5.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000aae5.bin)

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