Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbeb416a11da3a97…

MALICIOUS

PDF

79.2 KB Created: 2022-04-07 04:08:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-24
MD5: 600ba0ef2cd6ac67476baa8588ff1284 SHA-1: 73352880b522771d1a47b2277c20051359b94ef4 SHA-256: cbeb416a11da3a97a4757ada856dec8d378844f10d06846fbd8ae428b3e3d8b1
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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://wirut.co.za/YmrXLWy8?keyword=simbolos%20del%20diagrama%20de%20flujo%20programacion PDF link annotation
    • http://1000projects.ru/upload_picture/file/mepelerelitavidar.pdfIn PDF document text
    • https://radixukawatezod.weebly.com/uploads/1/3/4/6/134645496/satinowowug.pdfIn PDF document text
    • https://vinatech.com/userfiles/file/62880614127.pdfIn PDF document text
    • https://batikigika.weebly.com/uploads/1/4/1/2/141260717/7602039.pdfIn PDF document text
    • https://xidifapub.weebly.com/uploads/1/3/0/8/130873728/0dd5f4a7db62bb.pdfIn PDF document text
    • https://fumifopimon.weebly.com/uploads/1/3/4/4/134464078/viparumumejenok.pdfIn PDF document text
    • https://mefifusefom.weebly.com/uploads/1/3/4/2/134266023/5644754.pdfIn PDF document text
    • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/kemufotaxusa_bonokiw.pdfIn PDF document text
    • https://febapemideb.weebly.com/uploads/1/3/0/7/130738739/nugigumajurip_jazorunivulole_dokazoz_fibabusokoson.pdfIn PDF document text
    • https://cgb-echafaudage.fr/upload/files/30911173369.pdfIn PDF document text
    • https://koledino.weebly.com/uploads/1/3/4/3/134332835/1192607.pdfIn PDF document text
    • https://ludunijup.weebly.com/uploads/1/3/0/9/130968942/xobukepegopuvi_bemap.pdfIn PDF document text
    • https://paklya.su/design/img/upload/file/xereduzinakinituf.pdfIn PDF document text
    • https://wuwawumakilur.weebly.com/uploads/1/3/4/8/134875279/8879832.pdfIn PDF document text
    • https://wujewogo.weebly.com/uploads/1/3/4/5/134586314/mulab-kuxulopab-lezisudebe.pdfIn PDF document text
    • https://sivabujik.weebly.com/uploads/1/3/4/0/134017760/bosuduguv.pdfIn PDF document text
    • http://millenium.moscowfashion.net/content/xuploadimages/file/11237515532.pdfIn PDF document text
    • https://wotafoxig.weebly.com/uploads/1/3/4/3/134306194/vatemitagazotu.pdfIn PDF document text
    • https://ruzujadala.weebly.com/uploads/1/3/4/5/134513227/wiruwemonikoza.pdfIn PDF document text
    • http://phrabat.net/UserFiles/File/goxuvovi.pdfIn PDF document text
    • https://krassimirtaskov.com/userfiles/files/3020748767.pdfIn PDF document text
    • https://putukaxuke.weebly.com/uploads/1/3/1/4/131437363/8852023.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_off0000ce15.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ce15.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ce15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE15 11312 bytes
SHA-256: f37acd41111e287fa8cfd1cec652f6fb3276e8fffa7101d1267f527661ca7ac9
font_01_sfnt_off0000e81f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE81F 18032 bytes
SHA-256: 9ef558478ac88fcbd3d3324e122c98ae2606feed04d01e7b311acefd5d7aed84
font_02_sfnt_off00011594.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11594 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1