Malicious PDF — malware analysis report

Static analysis result for SHA-256 f99032055c893971…

MALICIOUS

PDF

98.7 KB Created: 2022-05-06 09:37:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: e0189d137064596eb78b1a101b2e67fb SHA-1: 66c82a9ae23261b57f4cd9ad19e0766ede2c7f44 SHA-256: f99032055c8939712c1a74e04af3f863c7ed1aced16a30e3bad49834ad34ec15
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

Heuristics 5

  • 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 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://norin.co.za/YmrXLWy8?keyword=warframe%20trinity%20guide%20pdf%20download%20torrent%20free PDF link annotation
    • http://hkalc.com/userfiles/fizubimibibekuduvavize.pdfIn PDF document text
    • http://corising.info/sa_upload/userfiles/file/20220421000752.pdfIn PDF document text
    • http://nbc.ua/design/pic/file/86395008776.pdfIn PDF document text
    • http://h04ydivan.ru/userfiles/file/85150944069.pdfIn PDF document text
    • https://zenithservicos.com/userfiles/files/xuwuporufimefimezaladebi.pdfIn PDF document text
    • https://slavicchurchmississauga.com/fck_upload/file/kesudafanawatowe.pdfIn PDF document text
    • https://averakazan.ru/kcfinder/upload/files/wozilobodibu.pdfIn PDF document text
    • https://farmaciasacoor.com/site/upload/file/28689727155.pdfIn PDF document text
    • http://dongphat.net/upload/files/16167453452.pdfIn PDF document text
    • http://jian-yuan.com.tw/kcfinder/upload/files/kinijodudakebi.pdfIn PDF document text
    • http://dogoducthien.com/uploads/files/dutidalalefexifofu.pdfIn PDF document text
    • https://webmanagement.laptopservice.ro/images/file/87823206917.pdfIn PDF document text
    • https://thaiwoodengames.com/files/upload/files/jazixuromiju.pdfIn PDF document text
    • http://bulongvungtau.com/media/ftp/file/mozosevigavasedij.pdfIn PDF document text
    • http://scro.ru/pic/file/zarufewirotabojuxekolopu.pdfIn PDF document text
    • http://sor1310.com/userfiles/file/dabarijekikisoxanidakuk.pdfIn PDF document text
    • https://nekewagan.weebly.com/uploads/1/3/4/8/134881830/4a92d6b2ce561ad.pdfIn PDF document text
    • http://malopolskiszlakwinny.pl/upload/File/nomovotajazogaveliniwi.pdfIn PDF document text
    • https://maninidepot.weebly.com/uploads/1/3/4/7/134702581/rafiguna-tolataxadovegiz-jatojubokijoli.pdfIn PDF document text
    • http://mitrasejati.co.id/assets/kcfinder/upload/files/gepekokaxavaz.pdfIn PDF document text
    • http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/85944075296.pdfIn PDF document text
    • https://www.v-investor.ru/kcfinder/upload/files/87602036457.pdfIn PDF document text
    • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/29786753728.pdfIn PDF document text
    • https://activepymes.com/pub/file/80450981515.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_off00011bf2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BF2 10964 bytes
SHA-256: 2f44ef3ba2854632fce41c22c8ec395351f44d64b191e129a5f6b90c4fe691a7
font_01_sfnt_off00013530.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13530 17832 bytes
SHA-256: 3490214bb9d907b29fd9bbbdb77a07745f36c7120252c7d3c0640349b1d3c3b0
font_02_sfnt_off00016498.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16498 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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