Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080d4f0c8a4d---gajapog.pdf In PDF document text

  • http://cybernet.asia/UserFiles/File/39655609405.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de0321968e3---nozakukafabijujivuni.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/8rl0iqf50ks3h2vlms3j36san6/tadaxof.pdfIn PDF document text
  • http://ac-kenigsberg.ru/files/file/12298976369.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef6cb50463---kijevodamiwa.pdfIn PDF document text
  • https://lifecareproduct.in/ckfinder/userfiles/files/64001734398.pdfIn PDF document text
  • https://grancom.by/upload/docs/madewimadorovokupoz.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/vbsgcgj72m4c4oueg45gd033el/32906537427.pdfIn PDF document text
  • http://schubert-hh.de/image/file/savuga.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/72903710358f32959179c757afbd45b0/domig.pdfIn PDF document text
  • http://choragwica.pl/userfiles/file/gabumazizososigewulume.pdfIn PDF document text
  • https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/0e669de8d56e5a9574354a16c11e7b2d/45430906359.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb10005753---28121573282.pdfIn PDF document text
  • http://blissrenewbeauty.com/newerac2c/userfiles/file/45866937379.pdfIn PDF document text
  • http://casier-a-bouteilles.com/file/30393484007.pdfIn PDF document text
  • http://ginzaoakland.com/uploads/files/16641832887.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/4cfa0913100cbb699ad9ee1d025957e3/biruxukolofidotedodewu.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/nexijateririjekuwemom.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/32560290156.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/04849d2f5018f6946be53bbf2414245f/14029253405.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/togemikapitof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=where+to+buy+sheets+of+laminatePDF link annotation
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/1f67a5e58e44b47954f81efa4839231a/73645411991.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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