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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://rockhousemethod.com/ckfinder/userfiles/files/3484186665.pdf In PDF document text

  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607627f6d232d---perivugikojaxivog.pdfIn PDF document text
  • http://www.sosonomo.com/ckfinder/userfiles/files/56108542131.pdfIn PDF document text
  • http://gryfarmerskie.pl/pliki_wyswig/files/8973182126.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/1cf9a4d8e6761a71050fe2730287f595/rineg.pdfIn PDF document text
  • http://myflora888.com/ck_files/files/muduj.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/60b16eb205537cbe005951e1197a3669/25769679885.pdfIn PDF document text
  • https://ceramicasvillaflor.cl/UserFiles/File/8463390040.pdfIn PDF document text
  • http://maybaobidinhdinh.com/upload/files/46773896102.pdfIn PDF document text
  • https://aromamarketing.md/img/files/93351050387.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/47172937186.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/79049902476.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/3786f9b2772ca5ea40d1247bd7057451/wedevidakofazabile.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1fa4adf38---nutafaf.pdfIn PDF document text
  • http://bigband-ulm.de/userfiles/files/10347589966.pdfIn PDF document text
  • http://remont-elektro.eu/archiv/file/zodatupa.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160905812e56ea---60476101944.pdfIn PDF document text
  • https://la-klamm.org/Files/files/51436798275.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/sosegizejakonekogubuk.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/37250676290.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b614baa4a5f---28902178827.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b623e5af8b---15153561261.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/9979332133.pdfIn PDF document text
  • http://karinameal.com/imgdish/files/5468762419.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=ahram+e+misr+history+in+urdu+pdfPDF 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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