PDF malware analysis — malicious · c5d58bb54af611c8

MALICIOUS

PDF

96.2 KB Created: 2022-04-04 19:57:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28

MD5: 17783805e67e9043f048a769b5bbfe49 SHA-1: 24c4f47df54bbe45e1148aded54bf2b428a5fe7c SHA-256: c5d58bb54af611c808b0adf8c16b46898677b3ab2cb983c26a5c8da800295050

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9983

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://wirut.co.za/YmrXLWy8?keyword=seiko%207t62%20instruction%20manual PDF link annotation
- https://fivalamividow.weebly.com/uploads/1/3/4/8/134857099/20864ef5.pdfIn PDF document text
- https://faniruwesil.weebly.com/uploads/1/3/5/9/135993686/zaxibe.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623c4ddce3635---vexoxijala.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/sudofafolef.pdfIn PDF document text
- http://thechinatailor.com/uploadfile/file/2022021707311173499.pdfIn PDF document text
- https://juwatupajevofa.weebly.com/uploads/1/3/4/7/134705275/zotojigijozox_gibem_ruwomawus_molavupelilesuw.pdfIn PDF document text
- https://barefoothoa.com/webroot/js/ckfinder/userfiles/files/vigivaw.pdfIn PDF document text
- https://asp2.aiwangyun.com/ckfinder/userfiles/files/76153152359.pdfIn PDF document text
- https://varijiligedag.weebly.com/uploads/1/3/1/3/131383591/vavarudidopoz_pamugilef_wiboxoxe.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/43109076517.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/23720722237.pdfIn PDF document text
- https://sixojatem.weebly.com/uploads/1/3/4/6/134650300/9674194.pdfIn PDF document text
- https://sotamepepoj.weebly.com/uploads/1/3/0/8/130874386/4480699.pdfIn PDF document text
- https://dejoputaxili.weebly.com/uploads/1/3/4/7/134763817/1d927cf.pdfIn PDF document text
- https://mexugagerow.weebly.com/uploads/1/3/4/4/134482965/1551774.pdfIn PDF document text
- https://fisezofibidan.weebly.com/uploads/1/3/4/3/134316577/lavumebaju_gekasuzapilab_kizinuliro_sezewatufu.pdfIn PDF document text
- https://likixadukevagal.weebly.com/uploads/1/3/4/7/134700169/kikasatewe_fabumapuroduzu.pdfIn PDF document text
- https://terusabul.weebly.com/uploads/1/3/4/7/134702655/gekusosogir.pdfIn PDF document text
- https://fasanubuxa.weebly.com/uploads/1/3/4/7/134733786/garaxapine.pdfIn PDF document text
- https://lapobozitex.weebly.com/uploads/1/3/5/3/135305834/900fe.pdfIn PDF document text
- https://xetibipu.weebly.com/uploads/1/3/4/5/134528590/5410134.pdfIn PDF document text
- http://realtor-madrid.com/uploades/fckeditorfile/99602871085.pdfIn PDF document text
- http://giverny-bkk.com/upload/files/39341876020.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_off0000fa46.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFA46	18576 bytes
SHA-256: `f263acaaf1dae3460d9ebfafc715bbff563d6f603df9f144b5f12c3bb55d82e0`
`font_01_sfnt_off00012a42.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12A42	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00014253.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14253	16228 bytes
SHA-256: `f9e0ebd3b51a7789cbe5ff6cb8262e1d5ecd9905b4836b62faf7bd0e9da1645d`
`font_03_sfnt_off00015830.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15830	10996 bytes
SHA-256: `41df5b5f64903e9a1937767c079c353352e18aa838bc398a80aa1c8a36481269`

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