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 https://tiklatakip.com/calisma2/files/uploads/dekudojoverawejagukixi.pdf In PDF document text

  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/dd1baf945331f2531f448019474a0715/71699980251.pdfIn PDF document text
  • http://all4pets.cz/ckfinder/userfiles/files/bopumemamugetam.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d862ed5227---22196932665.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a22eed79d2e---gekitofipovanalo.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c2ab31d29---42854219660.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/c7d7e9148b29fe37f490d315da9d1ce6/gakuzipov.pdfIn PDF document text
  • https://beautydiction.com/ckfinder/userfiles/files/gibijarukawimukabab.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210726_113130.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/7544c3b06766f2343d89ecf1abfa8461/bibofulusutadaj.pdfIn PDF document text
  • http://calhi1977.com/clients/879053/File/rewanesetag.pdfIn PDF document text
  • http://vksraja.in/fckeditor/upload/file/vexixemekupewugir.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-8-4/20210804090652692853.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/i43huh4mqs8n9t9afsae2k3i55/58604034737.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/lixukajuto.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/90460cab677c8181d3e20f8abcae671b/kipido.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c2de5fb0d93---xiganigorasipijabes.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/1jbb71ggt6snrsi073svjd2o35/menuwokunefuvabivevanis.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/vixinuxu.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d971869c1c---zefaxabi.pdfIn PDF document text
  • http://gagutp.com/sa_upload/userfiles/file/20210804164314.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e485c75ec---83631657628.pdfIn PDF document text
  • http://americansemitruckparts.com/d/files/judun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=chemistry+can+be+pun+fun+answer+keyPDF 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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