Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3b1107d27767f9…

MALICIOUS

PDF

129.9 KB Created: 2022-04-05 19:34:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: ed07beea3740e1a44d1c3eb180b076dd SHA-1: 94646129e5affa82a08b89d4df8d2afd825613f4 SHA-256: 4e3b1107d27767f9106d5dcede5cbdd553dbf999278de5bfd3c655be99f57dc0
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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://colod.co.za/YmrXLWy8?keyword=how%20many%20magic%20treehouse%20books%20are%20there%20in%20total PDF link annotation
    • https://gujejedadun.weebly.com/uploads/1/3/1/3/131398181/14925632.pdfIn PDF document text
    • https://ruwevupezo.weebly.com/uploads/1/3/4/0/134013147/f0f52b9b6.pdfIn PDF document text
    • https://tilideru.weebly.com/uploads/1/3/4/5/134589764/dazabadodelibi.pdfIn PDF document text
    • https://gekeforoka.weebly.com/uploads/1/3/1/4/131438206/setizijizojile.pdfIn PDF document text
    • http://vkp.ru/upload/global/file/kevarimuxezureroradadun.pdfIn PDF document text
    • https://fupiledur.weebly.com/uploads/1/3/4/5/134527701/5848428.pdfIn PDF document text
    • http://ecogestval.com/userfiles/file/41034300418.pdfIn PDF document text
    • https://xapovakugad.weebly.com/uploads/1/3/5/3/135393008/9860656ff4918.pdfIn PDF document text
    • https://wegemoxotude.weebly.com/uploads/1/3/4/5/134505127/b1a860426ecb2.pdfIn PDF document text
    • https://tadafami.weebly.com/uploads/1/3/4/3/134386911/pokovomajagav_pesoraxozono_buteloru.pdfIn PDF document text
    • https://golofoven.weebly.com/uploads/1/4/1/3/141362167/9171010.pdfIn PDF document text
    • https://wumevevevusawu.weebly.com/uploads/1/3/4/3/134388399/19b0e0.pdfIn PDF document text
    • https://khogiaydantuonghanquoc.com/images/news/file/ratugepax.pdfIn PDF document text
    • https://roriwemako.weebly.com/uploads/1/3/4/5/134599113/girupan_ritunod.pdfIn PDF document text
    • https://lesinagin.weebly.com/uploads/1/3/1/4/131454304/jabebimod-fewolaxuv-koforogime-dujilete.pdfIn PDF document text
    • https://vuzabevewipa.weebly.com/uploads/1/3/6/0/136087677/remiwifu.pdfIn PDF document text
    • https://mosidaxe.weebly.com/uploads/1/3/4/2/134265431/a953276246.pdfIn PDF document text
    • https://nanupubixo.weebly.com/uploads/1/3/0/9/130969545/ravojinomama.pdfIn PDF document text
    • https://tatasabazenaxaj.weebly.com/uploads/1/3/2/6/132695883/wotujorulufo_bilofupu_vidozef.pdfIn PDF document text
    • https://tagaxaxe.weebly.com/uploads/1/3/5/3/135390661/mamogogefosojij_vatovip.pdfIn PDF document text
    • http://oinfo.cz/userfiles/file/toluwolosevugudiv.pdfIn PDF document text
    • https://pezulotum.weebly.com/uploads/1/3/1/4/131483557/8131274.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_off0001980b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1980B 11200 bytes
SHA-256: e7ddc1fcbb5394571330c410abb13aa0ef85679004443621cf376368727ed357
font_01_sfnt_off0001b21c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B21C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001ca2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1CA2E 17640 bytes
SHA-256: 492d217adae0f4e2951ff81fb9e2555d4f6688ca16669bf9138ac598b691718e

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