Malicious PDF — malware analysis report

Static analysis result for SHA-256 941df020b719c72d…

MALICIOUS

PDF

91.0 KB Created: 2022-04-08 08:46:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 7c2539161b340506a18ab6f0e8abdcdf SHA-1: ff8e06c39aec6992a4a366ebdd6c7831a996a807 SHA-256: 941df020b719c72dd7b6e6f56e37a64d44ecf5a92ded2cfea2406b9eb871b009
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a large number of external links, many hosted on disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites or download further payloads. The embedded JavaScript is likely responsible for initiating the redirection or download process.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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://norin.co.za/YmrXLWy8?keyword=what%20happens%20if%20you%20burn%2010k%20gold PDF link annotation
    • https://sulunekuzesafap.weebly.com/uploads/1/3/1/4/131406846/404e9d05cf.pdfIn PDF document text
    • https://zenuxemevobimog.weebly.com/uploads/1/3/4/7/134756414/9479545.pdfIn PDF document text
    • https://sekokuvujiziv.weebly.com/uploads/1/3/4/0/134096710/luwelogunavefokinena.pdfIn PDF document text
    • https://ravixolagawiji.weebly.com/uploads/1/3/4/4/134491843/417088.pdfIn PDF document text
    • http://seksdagen.nl/userfiles/file/620874008.pdfIn PDF document text
    • http://ucinnovation.ru/admin/ckfinder/userfiles/files/zoxebimuripufovewunopow.pdfIn PDF document text
    • https://fozegujulukov.weebly.com/uploads/1/3/4/4/134459046/946320e2daaa2.pdfIn PDF document text
    • https://igmof.com/admin/js/kcfinder/upload/web_file_ig_1/files/56734673163.pdfIn PDF document text
    • http://rmidiomas.com/uploads/files/56056887187.pdfIn PDF document text
    • http://gitral.fr/upload/userfiles/files/25322746058.pdfIn PDF document text
    • https://vonegulozezuxe.weebly.com/uploads/1/3/4/3/134371031/viziwagab.pdfIn PDF document text
    • https://fowanexi.weebly.com/uploads/1/3/4/6/134648222/9455153.pdfIn PDF document text
    • https://fluffy-chins.com/images/file/niripox.pdfIn PDF document text
    • https://jagdrevier.hu/upload/images/file/92148606426.pdfIn PDF document text
    • https://kipeparuzov.weebly.com/uploads/1/4/1/2/141261153/ca5663430b7d9.pdfIn PDF document text
    • http://zimmerei-possert.at/57671685423.pdfIn PDF document text
    • https://tumozoredupoki.weebly.com/uploads/1/3/0/9/130969837/4823f176e.pdfIn PDF document text
    • http://aligokdemir.com/resimler/files/nened.pdfIn PDF document text
    • https://fruitssupplier.com/app/webroot/img/files/4180829039.pdfIn PDF document text
    • https://pilinuxuxip.weebly.com/uploads/1/3/2/8/132814996/33b27.pdfIn PDF document text
    • https://regapopuro.weebly.com/uploads/1/3/5/9/135964604/5704591.pdfIn PDF document text
    • http://root3idlf.holf.cn/cif/data/uploads/img/file/164480111776.pdfIn PDF document text
    • https://zosumomaxin.weebly.com/uploads/1/3/4/0/134040430/8602734.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_off0000fe43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE43 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00011655.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11655 17476 bytes
SHA-256: feddf799f6daf1d64286d5e1c742e59badf817d2aa4a2b4a05e794695e0c621c
font_02_sfnt_off000143d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x143D1 11388 bytes
SHA-256: 3684d930815238cbcee873e0387fd981ec14df14966ec85fc2b560daaed23960