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://wirut.co.za/YmrXLWy8?keyword=cribbage%20rules%20scoring%20flush PDF link annotation

  • https://movazegunexonep.weebly.com/uploads/1/4/1/2/141259980/2d16f05c26d9eb9.pdfIn PDF document text
  • https://nalimaxepizof.weebly.com/uploads/1/3/4/6/134662907/22fc25.pdfIn PDF document text
  • https://jeripakituwimug.weebly.com/uploads/1/3/2/6/132695489/japabo.pdfIn PDF document text
  • https://ask-it.softki.com/Ask-it/UserFiles/file///67432988523.pdfIn PDF document text
  • https://kivutafiderok.weebly.com/uploads/1/3/4/5/134598466/8157808.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/71b30cbba726efa51a86edfb058c2722/50674793309.pdfIn PDF document text
  • https://zlataraburmevuckovic.com/files/bagowe.pdfIn PDF document text
  • https://sakiverore.weebly.com/uploads/1/3/6/0/136095660/2b93455.pdfIn PDF document text
  • https://xobopeta.weebly.com/uploads/1/3/0/7/130739243/2904520.pdfIn PDF document text
  • https://xefobizedep.weebly.com/uploads/1/3/1/6/131636625/4717751.pdfIn PDF document text
  • https://boruwimuruliv.weebly.com/uploads/1/3/4/8/134875556/4296974.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161f88d2165724---fetodefapiviz.pdfIn PDF document text
  • http://chinazzjx.com/d/files/zixoriwuvuxatalemavubu.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1622440fed4fb8---palejozimafazekebunulu.pdfIn PDF document text
  • https://razabajase.weebly.com/uploads/1/3/4/3/134355763/lodeno.pdfIn PDF document text
  • http://mojaksiegowa.net/userfiles/file/penexadosokovafejegepuje.pdfIn PDF document text
  • https://duocvinhkim.com/userfiles/file/logodusuloguxi.pdfIn PDF document text
  • http://veno2.com/upload/desaduxepenamimasimade.pdfIn PDF document text
  • https://xevududugomiti.weebly.com/uploads/1/3/4/6/134633411/supomasovagale-febarusisagowe-vezinovusadowab-pafedefovuwor.pdfIn PDF document text
  • https://tinusibojuzikat.weebly.com/uploads/1/3/2/7/132711981/danatodunone.pdfIn PDF document text
  • http://netcentricnj.com/ckfinder/userfiles/files/kidabofosagonoxirab.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_off0000c1a1.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c1a1.bin)

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