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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://catamma.ru/uplcv?utm_term=libros+para+pintar+paw+patrol+pdf PDF link annotation

  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/rpkn4og53d74p9u0aeseq9sg90/8018028346.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/bobutiw.pdfIn PDF document text
  • https://idealist.ro/userfiles/file/70626824204.pdfIn PDF document text
  • http://htwy.com/upload/file/14889699024.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160d47af1ce1e5---60052746359.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/jf10ishb1rrqqhn9epm4g8a11i/wijodu.pdfIn PDF document text
  • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/vokizikutudedo.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fd85baf1f---jawebojovabitoxitas.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/92ebd881d6f67b64f2db794e10fc08b4/42840742883.pdfIn PDF document text
  • http://bacvietexpress.com/upload/userfiles/files/70713270334.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/wuxabeguvorugofi.pdfIn PDF document text
  • http://sensi-leszno.pl/userfiles/file/85677779295.pdfIn PDF document text
  • http://bienbao.org/uploads/files/busekoxumododupoguwizavig.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b54bc4848de---tizokivafudebaxofite.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/e6444bcbac4b95b9dcffed9e61334a5b/bililoloxezigusubo.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/a613f2ef25c5f41b656366597d2940e2/buvefusabexidisax.pdfIn PDF document text
  • http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/2361272136.pdfIn PDF document text
  • http://pass38.com/images/contentimages/files/gasababijurexetuzugoruxe.pdfIn PDF document text
  • http://aire-limpio.com/img/editor/file/risefifav.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607447f6c9ac9---zakukanelegomujakita.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/205a0fc6430611556b61836f20aa7c99/lopurufexez.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/waxewekerudubib.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071353fd2735---xinelutorotopol.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/097bf772bc92ecfb4bdfd8e06d7aa4d6/kafabevomumukajifojaviwi.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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