Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8e5a6a9311a368…

MALICIOUS

PDF

79.2 KB Created: 2022-03-28 16:37:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 85da9a6af840b0071d79ac7e14ee8ba8 SHA-1: a182d5f8d4c9c2155af06e0e03369d7e17612b82 SHA-256: aa8e5a6a9311a368ea290942e3efb3208c9ea89ec9f8df403ab204170a96328b
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://yubit.co.za/YmrXLWy8?keyword=maslach%20burnout%20inventory%20fran%C3%A7ais%20pdf%20espa%C3%B1ol PDF link annotation
    • https://fodirimuf.weebly.com/uploads/1/3/4/6/134621751/zugemuk-pineb-kiluvanazadonu.pdfIn PDF document text
    • https://ninurakabo.weebly.com/uploads/1/3/4/3/134324479/libod-bamim-soguwanubu.pdfIn PDF document text
    • https://pezosoxebigaxox.weebly.com/uploads/1/3/4/3/134337327/9658944.pdfIn PDF document text
    • https://zuziraluxir.weebly.com/uploads/1/3/4/8/134899121/rukeramerurere.pdfIn PDF document text
    • https://bameveba.weebly.com/uploads/1/3/4/1/134108569/badaberuwefaluzako.pdfIn PDF document text
    • https://mesasijodise.weebly.com/uploads/1/3/5/3/135315214/kexixeka-raxajered.pdfIn PDF document text
    • https://xuvamifete.weebly.com/uploads/1/3/0/8/130874567/4349240.pdfIn PDF document text
    • https://zulozagadome.weebly.com/uploads/1/3/4/3/134318764/96b6fe70c2c.pdfIn PDF document text
    • https://xojovirasada.weebly.com/uploads/1/3/1/6/131637125/xiseji.pdfIn PDF document text
    • https://nuvitawejizi.weebly.com/uploads/1/3/4/7/134767919/88f9cdabc091.pdfIn PDF document text
    • https://soresewo.weebly.com/uploads/1/3/1/0/131069968/bimuwetibejoteno.pdfIn PDF document text
    • https://juwalonivegab.weebly.com/uploads/1/3/5/3/135309433/wiresijifeloku-wezupe-mamarazagonise-mogaduwavivelu.pdfIn PDF document text
    • https://jedunifoxawixe.weebly.com/uploads/1/3/4/4/134458330/madofowotulefeg_fipewutojaxates_jefada.pdfIn PDF document text
    • https://zejibafubetu.weebly.com/uploads/1/3/4/1/134108860/fc081eed.pdfIn PDF document text
    • https://zaxonuwikujad.weebly.com/uploads/1/3/0/8/130874627/c0c3df4aa09.pdfIn PDF document text
    • https://doleroxewaforud.weebly.com/uploads/1/3/4/3/134322791/jumax-nuwutaxiwoxow-fufareb.pdfIn PDF document text
    • https://dikekivex.weebly.com/uploads/1/3/0/7/130775400/zasewizabowuwa.pdfIn PDF document text
    • https://nuvosukive.weebly.com/uploads/1/3/4/7/134718285/75fc9.pdfIn PDF document text
    • https://vejitame.weebly.com/uploads/1/3/4/4/134457004/7e70a0da87.pdfIn PDF document text
    • https://xijofufakeziti.weebly.com/uploads/1/3/1/3/131380729/rinipuvabobawuw.pdfIn PDF document text
    • https://tidovikazixuwuj.weebly.com/uploads/1/3/4/3/134316919/sibife.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_off0000cdb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDB5 17388 bytes
SHA-256: efa2155758dcfbe0f2eb3499c00719e9e229293c2aa14f8bd0fa518e8ff417ab
font_01_sfnt_off0000fb41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB41 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off000111e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111E5 11532 bytes
SHA-256: 241f6631381e7385bf67414d57a90d2e226e6996712c8ac44072e1e805a0a9bd

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