PDF malware analysis — malicious · 5d84fc2fbb17bf6a

MALICIOUS

PDF

77.3 KB Created: 2022-04-01 19:37:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18

MD5: b48cb087a81326379281222325992713 SHA-1: 368a85af9f1c48a7d87fa39d2f47eb9b43f402fd SHA-256: 5d84fc2fbb17bf6afc6e80d4efb16685dbbee1595354ec1331b65bc9ec0e812c

164 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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 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.
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://norin.co.za/YmrXLWy8?keyword=d&d%20free%20map%20maker PDF link annotation
- http://yourbuilding.ru/userfiles/files/50889643556.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623bd66ccb0cc---welurofabigivi.pdfIn PDF document text
- https://viwifigejemi.weebly.com/uploads/1/3/0/8/130814408/5d2e317.pdfIn PDF document text
- http://chronoflex-dz.com/app/webroot/assets/js/kcfinder/upload/files/lagovozojekof.pdfIn PDF document text
- https://tufibexewati.weebly.com/uploads/1/3/4/5/134583298/b2f422c.pdfIn PDF document text
- https://kaximedefe.weebly.com/uploads/1/3/7/5/137513604/8708724.pdfIn PDF document text
- https://nonudefetug.weebly.com/uploads/1/3/4/3/134314303/3af4e47f2def41.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/162416768017ef---gosomebosutubid.pdfIn PDF document text
- http://flairpens.ru/uploads/file/govupamipuwirojutawugu.pdfIn PDF document text
- https://dufebekeromodi.weebly.com/uploads/1/3/0/7/130776386/worepu.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/dasutenoketuz.pdfIn PDF document text
- http://babijie.com/upload_fck/file/2022-3-14/20220314220911473231.pdfIn PDF document text
- https://rais.bg/uploads/file/89758092674.pdfIn PDF document text
- https://watogovujun.weebly.com/uploads/1/3/4/6/134626060/tiwim-megujas-mafekavememuki-salovefiwi.pdfIn PDF document text
- http://instalace-charvat.cz/userfiles/file/65663577652.pdfIn PDF document text
- http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/nopinedi.pdfIn PDF document text
- https://staffinghub.complifly.com/ckeditor/kcfinder/upload/files/dudizuriwitajoroxuniloj.pdfIn PDF document text
- https://musicalfamilytree.com/files/26766228962.pdfIn PDF document text
- https://guvavibigedufos.weebly.com/uploads/1/3/4/8/134855984/foluvik.pdfIn PDF document text
- https://dentalburgas.com/files/files/15151360530.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_off0000c9dc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC9DC	19520 bytes
SHA-256: `3bbbe0898d7b66ec4c95c625cce5df0125d6b456f4bef19eda1a0d495b81fb64`
`font_01_sfnt_off0000fd3c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD3C	9076 bytes
SHA-256: `f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8`
`font_02_sfnt_off00010fe1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10FE1	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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