PDF malware analysis — malicious · c5dcfe4ba96f550c

MALICIOUS

PDF

81.7 KB Created: 2021-10-15 11:02:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28

MD5: c37f1e1301dc60810727fac1dc7c055a SHA-1: f5d595cf42d41986fc79d2b4036e33a1332374d1 SHA-256: c5dcfe4ba96f550cc912f3a4e063c6289b715beb07c82d76367a2f02b6ddec7e

154 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9911

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
Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL

PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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://wspaperbag.com/userfiles/file/19859830905.pdf In PDF document text
- http://freetourscadiz.com/ckfinder/userfiles/files/16852228275.pdfIn PDF document text
- http://lyzph.com/userfiles/file/Fl202109080057248561.pdfIn PDF document text
- http://auroraenergyproject.it/userfiles/files/zozedokuwaliwukonu.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/46271357653.pdfIn PDF document text
- http://homeopathyhk.com/files/41545089095.pdfIn PDF document text
- https://rumusjitu.com/contents/files/xolere.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614f64ee6437b---1946217091.pdfIn PDF document text
- https://vanvoorst.info/uploaded/file/lubatotasanozu.pdfIn PDF document text
- http://mbp.hastatis.com/mbp/upload/images/images/upload/ckfinder/kixexivinusozuku.pdfIn PDF document text
- http://fs-select.com/images/blog/file/12828150405.pdfIn PDF document text
- https://insinkerator.us/images/uploaded/file/xalewazilo.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/nozupufo.pdfIn PDF document text
- http://opuspointpartners.com/ckfinder/userfiles/files/83135593736.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/30174022608.pdfIn PDF document text
- https://mkontakt.com/dat/file/rabugovigaxotizalavi.pdfIn PDF document text
- http://twfbs.com/ckfinder/userfiles/files/91538771962.pdfIn PDF document text
- https://tonmathunglan.vn/upload/files/73864581193.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/rebupulivesav.pdfIn PDF document text
- https://indolabtek.com/Uploads/userfiles/files/sotumavefomizef.pdfIn PDF document text
- https://trinityautorepairs.com/uploads/files/37650528696.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/41b6584fdce14f88377c90e5ff84b74b/89884676322.pdfIn PDF document text
- http://airelimpio.mx/img/editor/file/95969498301.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/wijida.pdfIn PDF document text
- http://zit-tech.com/userfiles/files/donujabuwamukakibobogigur.pdfIn PDF document text
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/16109310794.pdfPDF link annotation
- https://clubselect.ro/ckfinder/userfiles/files/51694191884.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/xPAns0MRe5M/uplcv?utm_term=you+are+overreactingPDF link annotation
- 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_off0000dda5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDDA5	10340 bytes
SHA-256: `e412d8d7ba771bddfe941dd472c83a084bd776316bd3e245be5fc5738f76c5b0`
`font_01_sfnt_off0000f526.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF526	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00010d38.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10D38	16872 bytes
SHA-256: `4ede1a6ccf775d305fa37f78d2862a5fd00f288af85ffd80807450a68fed88e6`

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