Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bc52a39dd451b5d…

MALICIOUS

PDF

76.3 KB Created: 2022-03-28 01:21:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-20
MD5: 83288ef16de23227869f268117c03d06 SHA-1: 9b50943db582adb35975d24626bfe12288f135df SHA-256: 3bc52a39dd451b5dfd98fa6406fb2bf9417118b4e68f2abd99d08ad5b7de8d97
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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://zowukudikumo.weebly.com/uploads/1/3/1/3/131382828/9771939.pdf In PDF document text
    • https://daradila.weebly.com/uploads/1/3/1/4/131438164/datipomij.pdfIn PDF document text
    • https://witowufagefalob.weebly.com/uploads/1/3/0/7/130738848/zadutixug-bonapujo-galoxadarasax-rajigubunove.pdfIn PDF document text
    • https://fufuwotasivixi.weebly.com/uploads/1/3/5/9/135966690/5306277.pdfIn PDF document text
    • https://jafipununevov.weebly.com/uploads/1/3/0/8/130814040/defufebusupix-fosako-voxereju.pdfIn PDF document text
    • https://bameveba.weebly.com/uploads/1/3/4/1/134108569/8623498.pdfIn PDF document text
    • https://duvigenusidila.weebly.com/uploads/1/3/4/7/134736387/lamewatezal.pdfIn PDF document text
    • https://kimiragijasem.weebly.com/uploads/1/3/4/0/134096233/299fa32be56f5.pdfIn PDF document text
    • https://sexewowoko.weebly.com/uploads/1/3/0/8/130873923/8435746.pdfIn PDF document text
    • https://kukavixol.weebly.com/uploads/1/3/4/4/134485481/2799535.pdfIn PDF document text
    • https://perotufolijefup.weebly.com/uploads/1/3/4/6/134613204/5992027.pdfIn PDF document text
    • https://rawitexebava.weebly.com/uploads/1/3/4/4/134487877/3719104.pdfIn PDF document text
    • https://tovisasuwuvep.weebly.com/uploads/1/3/4/5/134513775/4330649.pdfIn PDF document text
    • https://rusufonexu.weebly.com/uploads/1/3/4/4/134481083/rozaxe-pijav-gavalutafogi.pdfIn PDF document text
    • https://dasajusowerav.weebly.com/uploads/1/3/1/6/131637273/7168150.pdfIn PDF document text
    • https://matasomorat.weebly.com/uploads/1/3/4/4/134492922/e925a543a.pdfIn PDF document text
    • https://wexejapu.weebly.com/uploads/1/3/1/3/131384175/rijiboxeb-wikidopu-bosukumo-lexubudo.pdfIn PDF document text
    • https://gomufutezenufi.weebly.com/uploads/1/3/4/6/134677359/7248844.pdfIn PDF document text
    • https://zufojemesegogof.weebly.com/uploads/1/3/4/7/134753559/7673364.pdfIn PDF document text
    • https://wifadesar.weebly.com/uploads/1/3/5/3/135345928/xedage-tinubinex-zapel.pdfIn PDF document text
    • https://mafugefowodofo.weebly.com/uploads/1/3/1/3/131378796/8686773.pdfIn PDF document text
    • https://kaxamibixifuwiv.weebly.com/uploads/1/3/1/4/131452941/mopili.pdfIn PDF document text
    • https://paxuweveli.weebly.com/uploads/1/3/5/3/135320709/978ace.pdfIn PDF document text
    • https://cafij.co.za/YmrXLWy8?keyword=learn%20ios%20app%20development%20pdfPDF 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_off0000c5ee.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c5ee.bin)

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c5ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5EE 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000dc8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC8D 17232 bytes
SHA-256: 3f4db96975ccf78f1a170300330022e83687aeb2be20405f6d886c6c72fa7ed6
font_02_sfnt_off00010946.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10946 10680 bytes
SHA-256: 56915f49d77daa0aa83220a072c739311d5c7949d4c3a76d1f862d697ce222da

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