PDF malware analysis — malicious · 4e3e2800bf6bbec3

MALICIOUS

PDF

85.7 KB Created: 2021-11-04 11:53:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: a6be57935dd22ab763f8ac04a546f1d0 SHA-1: 8fea7daefbde7f64dd4f8a1b6d72c74bd8013a0f SHA-256: 4e3e2800bf6bbec3c5d497c0da2f456053e9c3b7ac243375255a089dbac7aa72

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9961

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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.
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://pixomot.ru/uplcv?utm_term=what+are+collective+nouns+for+kids PDF link annotation
- http://www.520amis.com/upload/files/26193921403.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/73999127001.pdfIn PDF document text
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/20521828791.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/xofimisatodoran.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/16132788570.pdfIn PDF document text
- https://askflip.com/uploads/files/pexogesoduxerileb.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/lurulukoxopez.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16173da6ced48a---vabibilokakuripudigusuj.pdfIn PDF document text
- https://korankertas.com/contents/files/divexinojo.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16169104385f7f---kozisipixulajipim.pdfIn PDF document text
- http://talcmanagement.com/uploaded_files/userfiles/files/dalavovasenuxawisij.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16155c5a134b08---napexa.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/99029061321.pdfIn PDF document text
- http://stevis.cz/files/file/lekavomovojalokimeseb.pdfIn PDF document text
- https://bushregenerators.com/userfiles/files/pofunig.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/mewipuzijotipabowenimofun.pdfIn PDF document text
- http://inbond-cn.com/userfiles/file/33393305117.pdfIn PDF document text
- http://www.anaja-inter.org/public/file/17371768587.pdfIn PDF document text
- https://hometeamcorp.com/images/usr/wigixeferafupemam.pdfIn PDF document text
- https://yunglin.com/uploadpic/files/72632225199.pdfIn PDF document text
- http://fobas.cz/userfiles/file/webelutufagewox.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/95618223935.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_off0000eb3e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEB3E	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off00010355.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10355	10824 bytes
SHA-256: `d00cc6298c0d8ccf63fd0b4b4fa06c666339b7a50e829f6b9e24ae559763425a`
`font_02_sfnt_off00011c48.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11C48	17396 bytes
SHA-256: `c87bb1d8fd9d52e3c6fd1ddfdea3a52f29851f1dc029c7708cb1829d31b15af0`

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