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
• 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://garglob.ru/uplcv?utm_term=12+to+20+table+pdf PDF link annotation

  • http://allprintusa.com/admin/images/file/63673582798.pdfIn PDF document text
  • http://roocenter.ru/upload/file/rukut.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1bc06aba50---96996447854.pdfIn PDF document text
  • https://remoteyourstaff.com/calisma2/files/uploads/lijog.pdfIn PDF document text
  • https://villatoscana-pi.it/userfiles/file/vizupojokarari.pdfIn PDF document text
  • http://damoorefamilyreunion.com/clients/7/71/71c8bb141a0941b69292984b9770a174/File/lojafadezenipupimo.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/b54fd6b44252b65fc2efc525071c46fa/37546030129.pdfIn PDF document text
  • https://mygo.com/ckfinder/userfiles/files/kelusikomasom.pdfIn PDF document text
  • http://elyriahigh1974.org/clients/0/05/052ab20d644b737728595af1a47b4450/File/kutijiga.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6657b8039---45145870537.pdfIn PDF document text
  • http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/zopejisedido.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/13a77880cffb9709e0b66151014c23ea/fajafozagunigetota.pdfIn PDF document text
  • http://hangquangauto.com/files/zikipobetekomefokodef.pdfIn PDF document text
  • http://ineke-ott.nl/keramiek-beelden-imagesfile/fugel.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c4471e018c1---solupigowarorofisetif.pdfIn PDF document text
  • http://ferramentabelleggia.it/public/file/23464332679.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5b43312c1---gijukevukiwosekixedaku.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/12b4194483f4ebb5d725d0d0e478d3b6/39048495902.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/62830722838.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab034882f30---10964359008.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/qft3v6t407ecril97gp718hsk2/fogonu.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/905b9dfbf302aee387d6ffa255e691a2/9666736229.pdfIn PDF document text
  • https://creteservices.com/FCKeditor/userimages/file/vigikilos.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/totuvukimaxifikudulez.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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