Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8ac02e66141e30…

MALICIOUS

PDF

74.3 KB Created: 2022-03-31 18:37:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: cff8663d49b19fb70e83ae2464fa8e53 SHA-1: d44ba6b0ecd922828b07f346eecaec2728d0f7f9 SHA-256: 5d8ac02e66141e3089c53eb34e62943737e52e6f739838791004749ea30d5564
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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 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.
  • 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://lazav.co.za/YmrXLWy8?keyword=10000%20reasons%20ukulele%20chords%20easy PDF link annotation
    • https://hk-delight.com/UploadFiles/file/75189362078.pdfIn PDF document text
    • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1622405700fa97---86328704773.pdfIn PDF document text
    • https://rifuxegu.weebly.com/uploads/1/3/4/5/134525143/ropeja-wivaxa-pegugexe-rewegupuluxusag.pdfIn PDF document text
    • https://baohohoanglong.com/userfiles/file/piwev.pdfIn PDF document text
    • http://isgsrl.it/images/file/xaxifelejo.pdfIn PDF document text
    • https://rogelevosegadu.weebly.com/uploads/1/3/4/6/134651245/36df2f.pdfIn PDF document text
    • https://vasekupony.sk/jsc/kcfinder/upload/files/64353601149.pdfIn PDF document text
    • http://grosfillex.com.br/admin/plugins/ckeditor/kcfinder/upload/files/tofizasemumisikofuba.pdfIn PDF document text
    • http://eptesteplelek.com/uploads/file/nomel.pdfIn PDF document text
    • http://studiogaleazzo.eu/userfiles/files/pewapelepefujode.pdfIn PDF document text
    • http://pathtojanna.com/userfiles/files/malenetudujuju.pdfIn PDF document text
    • https://jikesisepam.weebly.com/uploads/1/3/1/4/131406861/1422668.pdfIn PDF document text
    • https://ramorebuba.weebly.com/uploads/1/3/4/8/134898890/wisem-nisefit-kogopikegolubi-bapebabowibiwa.pdfIn PDF document text
    • http://lam.kiev.ua/kcfinder/upload/files/33227086736.pdfIn PDF document text
    • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/5bc847a9ba16a0ca7dfeb69975340ac8/45101757718.pdfIn PDF document text
    • https://ruwatavefi.weebly.com/uploads/1/3/4/7/134704280/196700.pdfIn PDF document text
    • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16205ca171c0ce---74034255619.pdfIn PDF document text
    • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/15855951617.pdfIn PDF document text
    • https://greenfins-thailand.org/uploads/file/25746121489.pdfIn PDF document text
    • http://archiprojektai.lt/app/webroot/uploads/userfiles/files/gulobudisowinitizebuj.pdfIn PDF document text
    • http://funagamex.vn/PhuongNamGroup/userfiles/files/81097188348.pdfIn PDF document text
    • https://nenogeva.weebly.com/uploads/1/3/4/6/134661531/dovilix_voravizoxoge_ronujuvatodusu_jaloxupa.pdfIn PDF document text
    • https://volatofe.weebly.com/uploads/1/3/4/4/134442598/2895789.pdfIn PDF document text
    • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1620d79edee5c5---74610378254.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bb20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB20 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d337.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD337 10660 bytes
SHA-256: 892183a566f73850cdd2b6a84fac3009ec88c0efe523775e98bc7460ba8cf5e5
font_02_sfnt_off0000eb99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB99 18320 bytes
SHA-256: be214ce80ca320417c5888118c831038d8dbc87d100bdded0ac61f4b2120e411