Malicious PDF — malware analysis report

Static analysis result for SHA-256 b61e942f0aa27dc0…

MALICIOUS

PDF

92.0 KB Created: 2022-03-29 15:37:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-15
MD5: e84b3bdf7e4876125e78e1802a06408f SHA-1: 02ed2804b51b539aeb134b64051f644d51dddc78 SHA-256: b61e942f0aa27dc0fbebd90aaade929f80568ace0efb4d9a6617caf00f5a3e52
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

Heuristics 6

  • 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.
  • 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://pajatekudox.weebly.com/uploads/1/3/1/0/131069898/2552185.pdf In PDF document text
    • http://7foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/wufudixisusap.pdfIn PDF document text
    • https://gesurori.weebly.com/uploads/1/3/4/3/134353915/totobopopiduz.pdfIn PDF document text
    • https://sukivafuxek.weebly.com/uploads/1/3/0/8/130874221/sidegazasixa.pdfIn PDF document text
    • https://wupanotowi.weebly.com/uploads/1/3/1/4/131406855/rimuluta.pdfIn PDF document text
    • https://paintingwithapassion.com/nbloom/fckuploads/file/5896454643.pdfIn PDF document text
    • https://pixirexujana.weebly.com/uploads/1/3/4/5/134527097/80e62.pdfIn PDF document text
    • https://lizunega.weebly.com/uploads/1/3/5/3/135395432/duzupegaza.pdfIn PDF document text
    • http://www.sushmitamukherjee.com/fckimages/file/28007202965.pdfIn PDF document text
    • https://jekaboda.weebly.com/uploads/1/3/5/3/135398795/7523104.pdfIn PDF document text
    • https://mvfht.ca/kcfinder/upload/files/tidiwezori.pdfIn PDF document text
    • https://triptoboloyfoundation.org/editorsfiles/files/detex.pdfIn PDF document text
    • https://kuxodebareku.weebly.com/uploads/1/3/4/0/134042390/cbf84988bf0cff.pdfIn PDF document text
    • https://lumosezuto.weebly.com/uploads/1/3/4/4/134499790/tufota.pdfIn PDF document text
    • http://sgd42.ru/userfiles/file/44723101567.pdfIn PDF document text
    • https://wipasokewuwil.weebly.com/uploads/1/3/4/0/134000036/65ef62353.pdfIn PDF document text
    • http://rapet.hu/files/31269354658.pdfIn PDF document text
    • http://textstricker.de/benutzerdateien/mukituwaganumegux.pdfIn PDF document text
    • https://fedutozenizojem.weebly.com/uploads/1/3/4/6/134662960/00ec793bf2d1197.pdfIn PDF document text
    • https://sunuf.co.za/YmrXLWy8?keyword=the%20culture%20map%20book%20club%20questionsPDF link annotation
    • 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_off0000ec8f.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ec8f.bin)

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC8F 11080 bytes
SHA-256: aa067142002f23b5c429a7ff909fa26425ac084411a0866bcdc23195011293bc
font_01_sfnt_off000105fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105FD 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00011c9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C9C 17048 bytes
SHA-256: 305efeb8aacb38a28ec344f9aa2d222b48fc45b648713a440b0774f2ec7460ad
font_03_sfnt_off000148c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x148C1 16912 bytes
SHA-256: 6f9e20c46bd37e759925f7dd269280a0dbdace11c819fe56905a581adf14cd97

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