PDF malware analysis — malicious · 94103b2655537e61

MALICIOUS

PDF

78.7 KB Created: 2022-03-28 22:57:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12

MD5: d620382bfb1f6a85dee5285b2e7a5d27 SHA-1: ff6d84ef23390f5a87bb3dfcfdae32cdbe150bd0 SHA-256: 94103b2655537e61aec90e759dc19639ba3e2b2ea9204f53663f9b002cb76a6d

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious document designed to redirect users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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.
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://fecuq.co.za/YmrXLWy8?keyword=medicinal%20chemistry%20jobs%20boston PDF link annotation
- https://vixoketos.weebly.com/uploads/1/3/1/4/131453026/wurokuno.pdfIn PDF document text
- https://kofekatemate.weebly.com/uploads/1/3/2/8/132815318/f75fd.pdfIn PDF document text
- https://nuxinipimop.weebly.com/uploads/1/3/2/6/132682773/911087.pdfIn PDF document text
- https://sanositew.weebly.com/uploads/1/3/1/8/131872303/xupedemedazi.pdfIn PDF document text
- https://fodolirikixubug.weebly.com/uploads/1/3/5/2/135297927/e81b29e98341.pdfIn PDF document text
- https://rinafudafize.weebly.com/uploads/1/3/5/2/135293322/8984517.pdfIn PDF document text
- https://labomozojaxige.weebly.com/uploads/1/3/0/7/130738499/pagujujubomexu_dawulaxipebox_bufegafij_bakigujos.pdfIn PDF document text
- https://wagetuve.weebly.com/uploads/1/3/5/3/135323282/320676c0eba3698.pdfIn PDF document text
- https://pituzidadago.weebly.com/uploads/1/3/4/7/134722752/4959f27854c0bb8.pdfIn PDF document text
- https://madapupe.weebly.com/uploads/1/3/4/6/134667506/59015fe05.pdfIn PDF document text
- https://zikajikujuvel.weebly.com/uploads/1/4/1/2/141253406/badokeguludob.pdfIn PDF document text
- https://rilulozopofebu.weebly.com/uploads/1/3/1/4/131406258/sijululapa.pdfIn PDF document text
- https://rizenorugeworo.weebly.com/uploads/1/3/4/3/134379336/lazisiwituwolezif.pdfIn PDF document text
- https://lajoreruxox.weebly.com/uploads/1/3/4/5/134588124/91e75efd.pdfIn PDF document text
- https://nitogumijuta.weebly.com/uploads/1/3/4/8/134876923/ludaga.pdfIn PDF document text
- https://moxizeza.weebly.com/uploads/1/3/3/9/133999163/kutaletazekij.pdfIn PDF document text
- https://kumazapo.weebly.com/uploads/1/3/2/7/132710765/rafud.pdfIn PDF document text
- https://wulukisogexoz.weebly.com/uploads/1/3/1/4/131438059/0f0c3d7378.pdfIn PDF document text
- https://nujokolove.weebly.com/uploads/1/3/0/8/130874035/tekogule.pdfIn PDF document text
- https://rifuxegu.weebly.com/uploads/1/3/4/5/134525143/aef1870f83bff.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_off0000cfcf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCFCF	11012 bytes
SHA-256: `a262c22327e2d3b2a720d454ee2d84557da1b7b189fd367597092009756d4fb6`
`font_01_sfnt_off0000e924.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE924	16940 bytes
SHA-256: `b6ea7a204b0edbe9235ceb81681c22f7c01334fb121ea5cd2b7d13dc7e2d1b81`
`font_02_sfnt_off00011568.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11568	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`

Open this report in the interactive analyzer, or submit your own file for analysis.