Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8789d2591777096…

MALICIOUS

PDF

99.9 KB Created: 2022-03-24 10:36:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: d9d8ea096da1fb0c0a42b534fb6fc02c SHA-1: 2a14105d2ee1251afcd420223cc086f0a4c56d7c SHA-256: f8789d2591777096e73087f04c87adf82d0e0fc1de5b8acb425b94be3724d59f
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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=consejo%20de%20participaci%C3%B3n%20ciudadana%20y%20control%20social%202019 PDF link annotation
    • https://bimebupeku.weebly.com/uploads/1/3/4/7/134715010/b4cf07e8cc80630.pdfIn PDF document text
    • https://beburasitowetu.weebly.com/uploads/1/3/0/9/130969608/1259819.pdfIn PDF document text
    • https://sufevibuxaka.weebly.com/uploads/1/3/2/7/132712301/1482396.pdfIn PDF document text
    • https://xabomipa.weebly.com/uploads/1/3/4/4/134484571/1876923.pdfIn PDF document text
    • https://gurufikenifa.weebly.com/uploads/1/3/2/3/132303388/971867.pdfIn PDF document text
    • https://xevulesej.weebly.com/uploads/1/3/0/8/130874496/lujuturig-jigojapale.pdfIn PDF document text
    • https://kotedeturu.weebly.com/uploads/1/3/1/6/131606402/1036056.pdfIn PDF document text
    • https://begafirezudafo.weebly.com/uploads/1/3/1/4/131438667/6701268.pdfIn PDF document text
    • https://toromadon.weebly.com/uploads/1/3/4/5/134523466/634969.pdfIn PDF document text
    • https://dijamolilum.weebly.com/uploads/1/3/5/3/135347404/genot_fuxivoso_borutov_fufokupu.pdfIn PDF document text
    • https://wemuxafav.weebly.com/uploads/1/3/4/8/134860001/dutojafinusudakit.pdfIn PDF document text
    • https://palokeligiz.weebly.com/uploads/1/3/4/4/134496709/lemoz.pdfIn PDF document text
    • https://razavewi.weebly.com/uploads/1/3/0/8/130813306/deluruwi.pdfIn PDF document text
    • https://welabelodaset.weebly.com/uploads/1/3/5/3/135399274/mugepavamajopad.pdfIn PDF document text
    • https://menegelobeka.weebly.com/uploads/1/3/4/9/134903334/gidugujak.pdfIn PDF document text
    • https://sizasaligibi.weebly.com/uploads/1/3/4/5/134506534/fedobuwirozejez_zikuzogukab_jizovusojofuz.pdfIn PDF document text
    • https://filuwanukolo.weebly.com/uploads/1/3/4/8/134874182/nedunitiwoxo_wibipezimet_bilol.pdfIn PDF document text
    • https://pifaxatopegamu.weebly.com/uploads/1/3/4/1/134108845/4f4d64ca971f.pdfIn PDF document text
    • https://wuvukimepegoj.weebly.com/uploads/1/3/4/6/134694914/6567264.pdfIn PDF document text
    • https://jaxebenub.weebly.com/uploads/1/3/4/2/134266064/7390573.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_off00011db9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DB9 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00013458.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13458 18044 bytes
SHA-256: 6e4a18c56aea196df32670727af934755b27eeb1efdd232c92f763248d840d1b
font_02_sfnt_off000162a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x162A5 11480 bytes
SHA-256: 7ba375f69d293f35eb5825772ec0ffaed99b631f0f6c8974e4339b81d1ccd348

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