PDF malware analysis — malicious · 4255997eee1cd664

MALICIOUS

PDF

81.1 KB Created: 2022-04-08 03:37:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15

MD5: 48f965b659a3d2a814438a9a5e865677 SHA-1: 7ffae4b0b77fd89980306caebb78cb7acb809b0f SHA-256: 4255997eee1cd664fc693ade6ab19476f208a2b6b8368dcf8c0cec803726a6e5

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9993

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://yubit.co.za/YmrXLWy8?keyword=fighter%20eldritch%20knight%20dnd%205e%20guide PDF link annotation
- http://bakoca.hu/files/file/sifebijatupuz.pdfIn PDF document text
- https://zisidolig.weebly.com/uploads/1/3/1/3/131379992/riwupuxa-bazejisalutog-jises.pdfIn PDF document text
- https://russiandance.ru/frontend/web/js/kcfinder/upload/files/30428235315.pdfIn PDF document text
- http://aedjtj.pretty-match.com/upload/files/temezoze.pdfIn PDF document text
- http://xn--d1annh.xn--p1ai/files/file/zikedetujizabopodi.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/sth5q1gifgriso47srjcqsii90/65440471407.pdfIn PDF document text
- https://melozepopi.weebly.com/uploads/1/3/0/7/130775643/8352651.pdfIn PDF document text
- https://eva.am/files/4171a94a4d9b7b23.pdfIn PDF document text
- https://lonomunemol.weebly.com/uploads/1/3/6/0/136082408/bakome_wezeju.pdfIn PDF document text
- https://volenasidopawo.weebly.com/uploads/1/3/4/2/134265528/d178d9ad2603544.pdfIn PDF document text
- https://gunimesugudux.weebly.com/uploads/1/3/0/7/130776745/fimazevowipo-lopibepagezob-zadizuforiperuw-sawekisiloros.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/92601348412.pdfIn PDF document text
- http://callbells.com.ua/kcfinder/upload/files/85972316473.pdfIn PDF document text
- http://spasinnia.org/assets/ckeditor/kcfinder/upload/files/87541135373.pdfIn PDF document text
- http://fishtech.org/uploads/userfiles/file/file/tepajubuxitavesasidin.pdfIn PDF document text
- https://kerozusokenizil.weebly.com/uploads/1/3/1/3/131383247/4522315.pdfIn PDF document text
- https://xupuxagezizese.weebly.com/uploads/1/3/4/6/134613092/fikamiruxitaj_lukasitanorez.pdfIn PDF document text
- https://jufavufopu.weebly.com/uploads/1/3/4/3/134340263/08d0694f584.pdfIn PDF document text
- https://tuwunofibe.weebly.com/uploads/1/3/4/6/134657164/dajofositat_sosonejerewi_tunepafeloru_losati.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20220318065215821.pdfIn PDF document text
- http://zkbz888.com/uploadfile/file///2022021320230176.pdfIn PDF document text
- https://tubufuximenijo.weebly.com/uploads/1/3/5/3/135304690/muribixuvinidu.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000dab9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDAB9	16608 bytes
SHA-256: `a8d46f59b3853ec9254b3c90f182a1ca6249a5495b388b958498e130b87c2943`
`font_01_sfnt_off00010620.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10620	10504 bytes
SHA-256: `8b46d5f9c21d068cac1590bd1e7b8b403a798318f50ac53f8d1938dd39517bc0`
`font_02_sfnt_off00011db4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11DB4	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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