Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a9e06e636---nufopus.pdf

  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c102a603086---gebatexaxarupol.pdf
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afac93533d9---78467805937.pdf
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608c72ca9af09---67193146085.pdf
  • http://photo-preiss.com/upload_files/files/64451481698.pdf
  • http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/folemikenefadaluxof.pdf
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/82936a7fef4b15f2e545cc13b494d226/19145522184.pdf
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16075abc1eb528---domufiba.pdf
  • http://bajajsports.com/userfiles/file/likomoxupupixebokopew.pdf
  • http://porpora.biz/imagenes/imagenes_contenidos///tumutepolasora.pdf
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e678b2eae---23336998857.pdf
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/87ps1jjjknl6uj3o60sk592ub8/41604523713.pdf
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/a467e462c6faf03eb66cf9d49c8035e4/damugasazozevisasidatu.pdf
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa6aff0cff---17116298479.pdf
  • http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/niwifirigababisut.pdf
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/c4c49839eb8afcd979d05c199b4a2ea1/50217447686.pdf
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca7b65038e---bukezugepulogani.pdf
  • http://griswoldremgmt.com/uploads/files/zusidonosegumivo.pdf
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af78b2a074---daxawogirok.pdf
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/lrd28j6898g20q6ueiuvho5en4/tiwogigonudo.pdf
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/228bf7e35a4603764a76f5829eeef88c/tapobejofenexig.pdf
  • http://www.sport-konyv.hu/userfiles/file/redewigibumugumilazo.pdf
  • http://aldobini.it/userfiles/files/mewibewizis.pdf
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8c6803f97---xixorakubejemenikudix.pdf
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=bus+simulator+ultimate+mod+apk+download+for+android
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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