Malicious PDF — malware analysis report

Static analysis result for SHA-256 4780a565b41d470c…

MALICIOUS

PDF

78.0 KB Created: 2022-04-23 03:34:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: df71950494009974709e0efb9224340d SHA-1: 6ae750f1c5cb618dad8c5a00e785ceb4b910109b SHA-256: 4780a565b41d470cdbceacfd3543ec45d0cdca61ca572f1bfd5d0242a676ce30
206 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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.
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://mifuj.co.za/YmrXLWy8?keyword=how%20to%20open%20sentry%20safe%20vault PDF link annotation
    • https://gunajotigur.weebly.com/uploads/1/3/4/7/134738866/wigeritopejapo-feduwoxupiges-luwujawigedajan-puvovaxovewuget.pdfIn PDF document text
    • https://lekumoga.weebly.com/uploads/1/3/2/6/132683130/sarul-ginudu.pdfIn PDF document text
    • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/2516032851697c079cca1c634d2e4881/sosege.pdfIn PDF document text
    • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1620d3ac8cd10a---wolatudusakor.pdfIn PDF document text
    • https://zimazegikej.weebly.com/uploads/1/3/4/7/134732290/novafe.pdfIn PDF document text
    • https://luvoseguz.weebly.com/uploads/1/3/4/6/134665560/5000cae6.pdfIn PDF document text
    • https://ijfbacknumber.com/editor_up/tujisiwinavereduvapuvimav.pdfIn PDF document text
    • http://circuitvietnamcambodge.com/hinhanh/file/kesoliresezizapiguratubig.pdfIn PDF document text
    • http://ilkjv.com/Images/Media/files/94589420875.pdfIn PDF document text
    • http://kstarsmall.net/userfiles/file///81438528027.pdfIn PDF document text
    • https://rufonezovudut.weebly.com/uploads/1/3/4/8/134854931/boxexu.pdfIn PDF document text
    • http://rimini-portal.de/bilderarchiv/file/luserugepafewub.pdfIn PDF document text
    • http://belcanto-evenements.com/media/files/36127574421.pdfIn PDF document text
    • https://puliwavigajog.weebly.com/uploads/1/3/4/4/134469254/ginadimugojomajob.pdfIn PDF document text
    • https://feranipadolop.weebly.com/uploads/1/3/2/7/132740228/7a54085f96d5d0.pdfIn PDF document text
    • http://dslub.kr/userData/ebizro_board/file/nogoxapa.pdfIn PDF document text
    • https://dovekawelefirim.weebly.com/uploads/1/3/4/2/134266448/xanusajuwam.pdfIn PDF document text
    • https://bodonoweti.weebly.com/uploads/1/3/1/8/131856710/dasirixuwokasen.pdfIn PDF document text
    • http://vuason.vn/upload/files/89727065458.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_off0000cc07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC07 10616 bytes
SHA-256: c60f74a965a82abb24390c23c88300f2fa0d4c88cf3dd438376202d930a5558f
font_01_sfnt_off0000e48c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE48C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000fc9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC9E 17248 bytes
SHA-256: 023e04984545f5a778225fe3b81a53e9da3c8e1db80f2649294a7c5c7e998136