Malicious PDF — malware analysis report

Static analysis result for SHA-256 22b65f9b5c38af4c…

MALICIOUS

PDF

79.7 KB Created: 2022-04-08 13:37:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-03
MD5: 8457f00e3c31e1949db9aae77b0902a7 SHA-1: da20e77728f6f359ff93fc55c0995699ec3b8ca2 SHA-256: 22b65f9b5c38af4cb034575005260a2892aa7836edeaab80b8ab21f037edf14e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file contains embedded JavaScript and a large number of external links, many hosted on disposable domains, indicative of a link farm designed to distribute malware. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to exploit vulnerabilities or redirect users to phishing sites. The embedded JavaScript is likely used to facilitate the redirection or exploit process.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9833

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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://fecuq.co.za/YmrXLWy8?keyword=java%20interview%20questions%20for%208%20years%20experience%20pdf PDF link annotation
    • https://mobinefoju.weebly.com/uploads/1/3/1/3/131398425/makokolixasefa_dajenokowaf_kutugadani_vefijabomuje.pdfIn PDF document text
    • https://nemapawa.weebly.com/uploads/1/3/0/9/130969411/4039bdf3c0ac.pdfIn PDF document text
    • https://welogedaxo.weebly.com/uploads/1/3/3/9/133997457/1020314.pdfIn PDF document text
    • https://pidalane.weebly.com/uploads/1/4/1/2/141259941/gatulonenuje-kojebelu-kikolo-pugivupawiguri.pdfIn PDF document text
    • https://u-bal.com/uploads/files/tewupizowemawolepumamum.pdfIn PDF document text
    • https://pivubetipu.weebly.com/uploads/1/3/4/3/134328131/7bdb22a40.pdfIn PDF document text
    • https://xadarerisisiw.weebly.com/uploads/1/3/2/6/132682239/lodubagitawowavajanu.pdfIn PDF document text
    • https://lurumafija.weebly.com/uploads/1/3/0/8/130873973/wazetolukitiza-gatinure-nexofalojo-xadobu.pdfIn PDF document text
    • https://fukenotaza.weebly.com/uploads/1/3/2/7/132740373/8d92c8.pdfIn PDF document text
    • https://nojabepeteguki.weebly.com/uploads/1/3/4/6/134669956/paratipekoxonipesi.pdfIn PDF document text
    • https://tiwebusimevadeb.weebly.com/uploads/1/3/5/3/135346158/tolesexoli-xuzalig-fafisazunoxi.pdfIn PDF document text
    • https://padudarudiloga.weebly.com/uploads/1/3/4/7/134714427/c5bc830c59106c0.pdfIn PDF document text
    • http://servicedental.it/userfiles/files/34207587721.pdfIn PDF document text
    • https://wufaderafezika.weebly.com/uploads/1/3/0/7/130776219/dec2d5a03ec3d.pdfIn PDF document text
    • https://vogovolakufa.weebly.com/uploads/1/3/4/8/134874318/6713284.pdfIn PDF document text
    • https://damexizatu.weebly.com/uploads/1/3/4/7/134736049/4948010.pdfIn PDF document text
    • https://powumebaporisav.weebly.com/uploads/1/3/4/8/134891471/palem-tofafokimuviju.pdfIn PDF document text
    • https://xokamusepefep.weebly.com/uploads/1/3/4/7/134721243/6705103.pdfIn PDF document text
    • http://due.pt/js/ckfinder/userfiles/files/77713485700.pdfIn PDF document text
    • https://sixifemawo.weebly.com/uploads/1/3/4/4/134470876/fixalikix.pdfIn PDF document text
    • http://alrabbancapital.com/file/files/15067823358.pdfIn PDF document text
    • https://mawatewif.weebly.com/uploads/1/3/0/9/130969671/961348.pdfIn PDF document text
    • https://xaleratugigajij.weebly.com/uploads/1/3/4/6/134631249/814336.pdfIn PDF document text
    • https://najilemizosi.weebly.com/uploads/1/3/4/7/134730194/waguxisonigekidaju.pdfIn PDF document text
    • https://piledefek.weebly.com/uploads/1/3/5/9/135966078/196c0343.pdfIn PDF document text
    • https://kerawidirara.weebly.com/uploads/1/3/4/7/134746453/1674390.pdfIn PDF document text
    • http://chanhbon.vn/media/ftp/file/80898469537.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

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_off0000d396.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD396 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ebad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBAD 11380 bytes
SHA-256: 0c9ee277be2307514b7ff89e8163afa0cbdbde979af5f403e5456bccd3b60e88
font_02_sfnt_off00010692.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10692 16344 bytes
SHA-256: 9b8a2fc0b3cf9db78bb1035543572be556ab92aff39a6e82366082df26535de9

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