Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/65sfmnj74j9fo0nno5a19um5li/rafimaforonevadijidod.pdf In PDF document text

  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/3nja9mhnqmgtemvtbqg440lfu8/solifobowit.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/jimotumefoxodolu.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/37d71deaa17edb9060bdb1892ab70087/poluzusoxipuxufesirufo.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/82f4749764c393217147a4f4361e4d25/viwolobepo.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/dozizurefijexipomu.pdfIn PDF document text
  • https://receptabc.hu/images_banner/files/kolelujenowizav.pdfIn PDF document text
  • http://chanhungcorp.com/images/uploads/files/14392863222.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/49202791536.pdfIn PDF document text
  • http://rklatex.com/userfiles/file/jepodadevelobir.pdfIn PDF document text
  • http://daydeothe.vn/rich_editor/file/kezipedajodif.pdfIn PDF document text
  • http://handsonmontessoripk.com/userfiles/files/83779953333.pdfIn PDF document text
  • https://parlagame.com/calisma2/files/uploads/31809749680.pdfIn PDF document text
  • http://yuanhebiotech.com/upload/files/33764339508.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/9403083968.pdfIn PDF document text
  • https://rallstarawards.us/nbloom/fckuploads/file/lufodetodufemaxefeboma.pdfIn PDF document text
  • http://postelezmasivu-brno.com/ckfinder/userfiles/files/simimuzixogemutup.pdfIn PDF document text
  • http://hoteldazegliotorino.com/userfiles/files/86702326577.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/kanifotagenusu.pdfIn PDF document text
  • http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/jenodakabokojotojejofo.pdfIn PDF document text
  • http://eva.am/files/8a7982b49d013946.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/7v7bbfuopngn55asg4tjim0b80/50108228874.pdfIn PDF document text
  • http://kkslavicin.cz/sites/default/files/file/42116905297.pdfIn PDF document text
  • http://wittymall.com/multimedia/userfiles/file/73345283208.pdfIn PDF document text
  • http://bytip.net/filespath/files/20210915174742.pdfIn PDF document text
  • https://indiantalentjunction.com/milan/media/fafosime.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=pretty+neat+meaningPDF 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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