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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://vulopinuvi.weebly.com/uploads/1/3/1/1/131164419/9f099e.pdf.
• 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://ponafet.ru/wix?keyword=the+purge+google+drive+2016 PDF link annotation

  • https://cdn.sqhk.co/pobijejok/Vhjjbhg/my_cafe_games_for_pc.pdfIn PDF document text
  • https://vulopinuvi.weebly.com/uploads/1/3/1/1/131164419/9f099e.pdfIn PDF document text
  • https://kepemumud.weebly.com/uploads/1/3/1/4/131454984/xunuke.pdfIn PDF document text
  • https://cdn.sqhk.co/baxoladipezu/b9DBbKJ/jatejopasurejasiperugez.pdfIn PDF document text
  • https://vakogupomuniv.weebly.com/uploads/1/3/4/6/134610568/puzawofisutek.pdfIn PDF document text
  • https://wojewifonutej.weebly.com/uploads/1/3/4/8/134883442/bujukevirazezep_pasegikovegiku.pdfIn PDF document text
  • https://cdn.sqhk.co/nebemina/cjjwehh/85064388273.pdfIn PDF document text
  • https://towipikegogu.weebly.com/uploads/1/3/4/6/134690187/287988.pdfIn PDF document text
  • https://cdn.sqhk.co/mugegiduveb/iggghc0/powerbass_10_4000w_dvc_subwoofer.pdfIn PDF document text
  • https://cdn.sqhk.co/vopofuxo/xhbgdG2/pejawegusudalalugonopu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cf336f9a-6a79-4542-9269-5b62d6eb69dd.filesusr.com/ugd/1daf83_fb729ce28a9c47c3bea0211f267db90a.pdf?index=trueIn PDF document text
  • https://4f65703b-d4c0-4c9c-9e30-73c8cc83ec5d.filesusr.com/ugd/54fa57_29e34b7b193f435bb8250ec95e78d600.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a0af39d-ec94-4e75-934a-6f92d7c63774/wilejasedotebeboti.pdfIn PDF document text
  • https://eac5c218-d238-408c-98a6-8ff0ecbb25fc.filesusr.com/ugd/b1277d_0e1896267e694f349e626a4b2691c80d.pdf?index=trueIn PDF document text
  • https://45dcde1a-aed5-4138-b95e-a0f768a283bf.filesusr.com/ugd/89441e_a2def80dfbc0407a889750723e0c538b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/204c121a-8ddd-4c66-924a-a1873bfd9f07/toxerav.pdfIn PDF document text
  • https://729282ec-1290-4cbc-9302-cf8a24acd4c7.filesusr.com/ugd/42c189_414d8620c339466a8682a08623c2b99d.pdf?index=trueIn PDF document text
  • https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_e6d6806a6c854806aab6e5ee6a0c5d54.pdf?index=trueIn PDF document text
  • https://44f39d5c-a655-4437-91b6-62b11e148e71.filesusr.com/ugd/eb4c03_b66fb0ef93904c5c823420cedc3724db.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd782d62-f590-48ea-9630-dc1d75d7efb4/how_to_take_care_of_kidney_in_diabetes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56f0e7a0-ef38-48b5-9f64-37baaca804ab/apc_br1500g_warranty.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://scripts.sil.org/OFLIn PDF document text

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