Malicious PDF — malware analysis report

Static analysis result for SHA-256 18a2a77957a24a93…

MALICIOUS

PDF

127.6 KB Created: 2022-05-03 01:39:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-10
MD5: e1e3d9aa6e36e93e03d6e507226a1fd4 SHA-1: f2c7f424c50fbe0bc9809503e1828ce1f98e6b88 SHA-256: 18a2a77957a24a935208e625ffd0932ca87bc22db556e12d752c190b35351388
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

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://sunuf.co.za/YmrXLWy8?keyword=samsung%20sm-t230%20android%20upgrade PDF link annotation
    • https://zosubidam.weebly.com/uploads/1/3/4/3/134316114/4550915.pdfIn PDF document text
    • https://wazasamiv.weebly.com/uploads/1/3/0/7/130775889/papokavibiwevotaki.pdfIn PDF document text
    • https://silexizokizu.weebly.com/uploads/1/4/1/2/141231627/tawofepavubalusin.pdfIn PDF document text
    • http://studiotecnicoforace.eu/userfiles/files/kejemeb.pdfIn PDF document text
    • https://luvodufugatese.weebly.com/uploads/1/3/4/8/134893210/daec05c1155319.pdfIn PDF document text
    • https://xuxixoxeniti.weebly.com/uploads/1/3/4/5/134585484/jobixabunaliwus.pdfIn PDF document text
    • https://duririsi.weebly.com/uploads/1/3/4/0/134096382/58a18.pdfIn PDF document text
    • https://medtek.vn/storage/file/jivotowuwofajaj.pdfIn PDF document text
    • https://balijuwil.weebly.com/uploads/1/3/4/4/134403438/9f0f9e28911aa0f.pdfIn PDF document text
    • https://bimefitovaj.weebly.com/uploads/1/3/1/4/131437299/fefozonibomaji.pdfIn PDF document text
    • http://baggiez.net/userfiles/file/xogujuni.pdfIn PDF document text
    • http://jfhcoaching.com/userfiles/files/rinedefivasazuworelowegul.pdfIn PDF document text
    • https://gigexozokup.weebly.com/uploads/1/3/2/6/132695408/40574338.pdfIn PDF document text
    • https://tepevigiroj.weebly.com/uploads/1/3/4/6/134672536/zekaruzomaxapazax.pdfIn PDF document text
    • https://fofukuzoxofim.weebly.com/uploads/1/4/1/2/141286416/mufifezobamelut.pdfIn PDF document text
    • https://vafumuwolefuz.weebly.com/uploads/1/3/5/3/135325426/xurozuzegetojakalu.pdfIn PDF document text
    • http://www.jindatunnel.com/up_files/file/91208424219.pdfIn PDF document text
    • https://jovigazever.weebly.com/uploads/1/3/1/6/131637362/7fa8e5fd49c6.pdfIn PDF document text
    • https://petugaxuw.weebly.com/uploads/1/3/5/3/135397026/kidugabaxegorena.pdfIn PDF document text
    • https://nikitepiwaligu.weebly.com/uploads/1/3/4/6/134647260/155426.pdfIn PDF document text
    • https://botorka.ro/userfiles/file/88355572333.pdfIn PDF document text
    • https://ligefunodimab.weebly.com/uploads/1/3/1/3/131398292/beporezegik.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_off000190bd.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000190bd.bin)

Related samples 1

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_off000190bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x190BD 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001a8cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A8CF 16960 bytes
SHA-256: 7a67a91e527b6bbfeca0f9059fcd68c6ac430fd1e888ee107291e950c31ac625
font_02_sfnt_off0001d527.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1D527 11312 bytes
SHA-256: 75608ce78274b4f5169dd46617ce12637658d224e41f912021e2ab9cc4c6935f

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