Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8b82fcfc47dc65d…

MALICIOUS

PDF

77.1 KB Created: 2022-04-15 23:38:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-06
MD5: ad6fb72b7bbc2116ad9134ccd027bc3f SHA-1: 53dcc9591e0637b123da51ec409e9f1246560c4b SHA-256: a8b82fcfc47dc65dc7c4b027c8a8dd160ace248e91f4b556685a0bbd6bc549e7
226 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

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
  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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://lovig.co.za/YmrXLWy8?keyword=what%20is%20the%20pottermore%20quiz PDF link annotation
    • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/texumamar.pdfIn PDF document text
    • http://esteticka-stomatologie.cz/files/content/file/62563427204.pdfIn PDF document text
    • https://fadojikas.weebly.com/uploads/1/4/1/3/141377841/jividupidugime_tapuwumonogaw_lejugodeji.pdfIn PDF document text
    • https://zeruposizagaki.weebly.com/uploads/1/3/4/8/134854722/4668474.pdfIn PDF document text
    • http://rostocker-taxi.de/resources/files/riwibotazo.pdfIn PDF document text
    • https://elnativocoffee.com/silver/upload/files/fonuxi.pdfIn PDF document text
    • https://tofoboloronu.weebly.com/uploads/1/3/1/6/131636632/gufezozegiluk-nofozifu-lanomuti-xurifogapi.pdfIn PDF document text
    • https://xifevaboked.weebly.com/uploads/1/3/4/8/134855042/c54032f9014870f.pdfIn PDF document text
    • http://muralsdecoracio.com/ckeditor/kcfinder/upload/files/luxugilosofop.pdfIn PDF document text
    • https://dubigeta.weebly.com/uploads/1/3/5/3/135341625/743087.pdfIn PDF document text
    • https://sudomudes.weebly.com/uploads/1/3/0/8/130874284/lovuvogufazu.pdfIn PDF document text
    • https://vagapirub.weebly.com/uploads/1/3/4/6/134648019/zarimuj.pdfIn PDF document text
    • https://ruwitopiramowu.weebly.com/uploads/1/3/4/3/134364975/tatadalofugefif_tafabofe_lewuxodopoz_fupilesifidejuj.pdfIn PDF document text
    • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16229d8ffa1abc---rimitu.pdfIn PDF document text
    • http://tcpartners.vn/kcfinder/upload/files/16326711303.pdfIn PDF document text
    • https://tavadubamik.weebly.com/uploads/1/3/4/4/134473349/zixonowesuvuv.pdfIn PDF document text
    • https://residencialconilcosta.es/kcfinder/upload/images/files/48463083722.pdfIn PDF document text
    • https://lituveso.weebly.com/uploads/1/3/4/3/134362288/pisofagijo_rozobesopa_latekesazit_loxef.pdfIn PDF document text
    • https://zowunekufoz.weebly.com/uploads/1/3/4/3/134371229/3390359.pdfIn PDF document text
    • https://xewomilofapo.weebly.com/uploads/1/3/4/8/134878854/marewuto.pdfIn PDF document text
    • https://wafonogu.weebly.com/uploads/1/3/4/3/134376542/4136521.pdfIn PDF document text
    • https://suzokixuvajix.weebly.com/uploads/1/3/0/7/130776208/9960168.pdfIn PDF document text
    • https://sotukuzawiweje.weebly.com/uploads/1/4/1/2/141292554/fomavijad.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 extracted file (font_00_sfnt_off0000ca22.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ca22.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ca22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA22 16716 bytes
SHA-256: ce9f8b39dd0dd224b8ae318422e88b93b1a0a56050470b961c280bc4714bd7a5
font_01_sfnt_off0000f56a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF56A 10668 bytes
SHA-256: 292f21529a3a616f6bab9a40cb1117f01506df9b8b320be3ded24e9e4e61a8b1
font_02_sfnt_off00010df6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DF6 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1