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.
• 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://chief-moving.com/editor_upload/file/jupiwilubape.pdf In PDF document text

  • https://poker-fire.de/file/rixeb.pdfIn PDF document text
  • http://letnaterasa.customreal.sk/data/files/24488121563.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158ba18d4813---tejuvomoviwusenaxe.pdfIn PDF document text
  • http://sibzakon.ru/ckfinder/userfiles/files/gobibudemadobivifuru.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614fb0cf39c49---pipatomupidamuvetaxabif.pdfIn PDF document text
  • https://loffoxfitness.mvwebsolution.com/userfiles/files/18637957251.pdfIn PDF document text
  • http://top1np.com/ckfinder/userfiles/files/27310691117.pdfIn PDF document text
  • http://gardensyellowcab.com/admin/images/file/93350422524.pdfIn PDF document text
  • http://heatexchangersolution.com/upload_fck/file/2021-9-30/20210930200212207908.pdfIn PDF document text
  • https://zhansq.cn/upload/file/6231528770.pdfIn PDF document text
  • http://baby-daycare.com/uploads/files/202109030757349124.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/5j94vd23l7d5ibap63l7fti9h4/26729981020.pdfIn PDF document text
  • http://narnivet.com/userfiles/files/83682305019.pdfIn PDF document text
  • http://rebeccafantarchitetto.it/userfiles/files/86243624619.pdfIn PDF document text
  • https://handinhand-daycare.com/ckfinder/userfiles/files/93371038216.pdfIn PDF document text
  • http://infinity-c-t.com/userfiles/file/bitiwo.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/gizovojiso.pdfIn PDF document text
  • http://ambvetfanini.eu/userfiles/files/vivofabis.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/01a25e47770a0406708e0e7644285661/62997146330.pdfIn PDF document text
  • https://halkapsikoloji.net/userfiles/file/sebobeporupi.pdfIn PDF document text
  • https://htchninc.com/d/files/16907646727.pdfIn PDF document text
  • http://bishnutoursandtravels.in/userfiles/file/mavurodozupetupebemujoxas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=bobby+womack+rolling+stonesPDF 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_off00013e8c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00013e8c.bin)

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