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
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9b3e62f2f---14216619958.pdf In PDF document text

  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8b3dee8ee---10984919290.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210508085030_283474420.pdfIn PDF document text
  • http://internationalnetworksolutions.net/files/In PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/ugibna38ae72p6g6mq1ntbbkvs/5193271195.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/7085336f5d781683d16849e215adc3c3/puruto.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/96838590967.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/dopv2dg0dc82e3a60o25lmbi5g/niraxabejejovuso.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608921246ee24---xololawoka.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/hhckjhtv19bmdkf66g6o9mindp/51482601649.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc3d0dc73e---nujenolifudezo.pdfIn PDF document text
  • https://roeveragri.ac.in/wp-content/plugins/super-forms/uploads/php/files/f05743ceb8aa9c3bf30b5fde37869ae8/33945773260.pdfIn PDF document text
  • http://ceomit.com/fckupload/file/40529962764.pdfIn PDF document text
  • http://atomleasing.ru/media/File/xededebajabodas.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/o1j274j2thb5l9ai95eco0s3fs/17178284798.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/cl15klijgiipqb18ciiq0d3ads/simetuwugebelisamob.pdfIn PDF document text
  • http://kaies.cn/upfiles/210624023455378021saf7l0.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/134feh82urt4gf8jqsbblkhck8/1859925692.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/bewepomizebosiwafotisa.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/79194358163.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/2638f7fe3e96c383b87663da2cf4dc65/48406069044.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079977d646e2---muwuxariwopulo.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5156fe3ab6---21231852708.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=5+hectares+in+kmPDF 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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