PDF malware analysis — malicious · 0d318a4b8c44ba5c

MALICIOUS

PDF

148.9 KB Created: 2022-04-11 01:38:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14

MD5: 5c1859f0d78fbb00228c8f41a438c8bf SHA-1: 7e48bdece085f4246d0ac7ffa056c1443e938deb SHA-256: 0d318a4b8c44ba5c2dfbdc214f6825213013c5dd3b6bd98f28642129c7193d04

134 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs pointing to potentially malicious domains, suggesting it's designed to redirect users to phishing sites or download further malware. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9921

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 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=man%20in%20the%20high%20castle%20season%203%20review%20metacritic PDF link annotation
- http://siva.re/app/webroot/js/kcfinder/upload/files/rurav.pdfIn PDF document text
- http://redeyeldn.com/userfiles/file/19233868150.pdfIn PDF document text
- https://wixetaduzem.weebly.com/uploads/1/3/4/4/134471786/332f99999.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///92718824245.pdfIn PDF document text
- https://worizura.weebly.com/uploads/1/3/1/4/131437573/2f0350e3c5c997.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/zegunador.pdfIn PDF document text
- https://polurivi.weebly.com/uploads/1/3/4/9/134904590/7777079.pdfIn PDF document text
- https://musalakom.weebly.com/uploads/1/4/1/2/141254118/fufifivuvamamo-didewer-mojepakekoweriz.pdfIn PDF document text
- http://ingenierie-mont-blanc.fr/kcfinder/upload/files/dimofexat.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/58393536600.pdfIn PDF document text
- http://nhatminhtrading.vn/app/webroot/uploads/files/21510733360.pdfIn PDF document text
- https://vixoketos.weebly.com/uploads/1/3/1/4/131453026/9029823.pdfIn PDF document text
- http://jrscphalashia.org/ckeditor/kcfinder/upload/files/1133146953.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/0bd5e8ec802bea21c54b74a3290776ae/77764092819.pdfIn PDF document text
- https://jepusujejo.weebly.com/uploads/1/3/4/5/134598091/tejafabo_rabuneman_liwonulidinezad_kupepaziwelis.pdfIn PDF document text
- https://kovorugoza.weebly.com/uploads/1/3/1/3/131383314/nofuwaremerof_bonezomizetis_xutula_voxan.pdfIn PDF document text
- https://mirotimazafisel.weebly.com/uploads/1/3/4/3/134352803/jiwolibepe_mowotutarov_diputanis.pdfIn PDF document text
- https://dragonexpressml.apnaconsultant.com/userfiles/files/wozibofamenosuvugozam.pdfIn PDF document text
- https://dirasikazeta.weebly.com/uploads/1/3/1/3/131379856/nokipo-vofigexilumi-pumix.pdfIn PDF document text
- https://tafanoxuxirugo.weebly.com/uploads/1/3/5/3/135327873/9c7847232a608.pdfIn PDF document text
- https://xiwabedosebu.weebly.com/uploads/1/3/1/3/131398066/ziduzamef-bavenemupapar-vikefebejukox.pdfIn PDF document text
- https://nanagupuwaxa.weebly.com/uploads/1/3/5/3/135322083/8acffafb7c8.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/455731d354b96002a437c779cfcdbe62/sowepejijuzu.pdfIn PDF document text
- http://parfumerieindex.nl/images/uploads/59364183660.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001b680.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1B680	13660 bytes
SHA-256: `6cb33da7ba816561ceb349cc654c317fef7388d3abcbc94947e9c140af2b84ca`
`font_01_sfnt_off0001e18c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1E18C	10992 bytes
SHA-256: `c6d99f8af786b7e8acf6bfa2d46a916533e695f6aa9e2895843ffc6f3ae02baf`
`font_02_sfnt_off0001fb02.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1FB02	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_03_sfnt_off00021314.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x21314	18676 bytes
SHA-256: `480c2f41d1de38551ff6def1b773e525634c14aaa7dea234f2f9309bbaf130d8`

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