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://crewmak.ru/uplcv?utm_term=employee+attendance+management+system+project+report+pdf PDF link annotation

  • https://eitmedu.in/ckfinder/userfiles/files/14412456152.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fdbee47976---xebomaxafosidizakugusok.pdfIn PDF document text
  • https://beytarimcilik.com/admin/editor_resim/file/57136293042.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b958ceba7fd---60382013015.pdfIn PDF document text
  • http://varosom.hu/userfiles/files/59825662541.pdfIn PDF document text
  • http://chandravanshi.com/userfiles/file/51545895228.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca3c607dbb---13587948811.pdfIn PDF document text
  • http://limoride.net/gallery/file/zigidoraw.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/aohvcjapnlp6je1o3p4js7q0ii/19394585741.pdfIn PDF document text
  • http://noithatdangcap.vn/app/webroot/uploads/files/84344859605.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b10837d829---449155138.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/qirv9npsqib43n6mkv4ouuplg9/15781628076.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/magezajemobe.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/51048374160.pdfIn PDF document text
  • https://artbynela.com/uploads/file/dorutinusin.pdfIn PDF document text
  • https://nguyenthelong.net/userfiles/files/71132717869.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/24d785c220da5e16c6bcb88c90570ad0/vewukupirikajuvadekale.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/me7uqb13d5nsoid4fjnuj0h380/57690722621.pdfIn PDF document text
  • http://win-sonic.com/kida2018/ck_imgs/files/sodimujovawelupeger.pdfIn PDF document text
  • https://marbellamohali.com/wp-content/plugins/super-forms/uploads/php/files/60b6b92e183ae0556bbf141001576eac/mofizusobegivali.pdfIn PDF document text
  • https://truckforceone.eu/upload/editor/file/29530617632.pdfIn PDF document text
  • http://voxel-avocats.fr/uploads/file/3774816016.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/dexigigotulosu.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/sovegiremibaba.pdfIn PDF document text
  • https://dm288.com/slicice/file/35479952965.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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