MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URIs are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://irlanc.ru/uplcv?utm_term=best+apps+on+play+store PDF link annotation
- http://abbwingslynnhaven.com/uploads/files/51875269185.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec9159d31f---laxum.pdfIn PDF document text
- https://10glazsikeyrosa.ru/file/52879473509.pdfIn PDF document text
- https://bczenekar.hu/files/file/pademamosegebaf.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/79982956195.pdfIn PDF document text
- http://dopuskvsro.ru/UserFiles/16509877192.pdfIn PDF document text
- https://rippa.pt/files/file/tanaz.pdfIn PDF document text
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/9221412389.pdfIn PDF document text
- http://capableapp.com/uploads/files/rogiwaku.pdfIn PDF document text
- http://greenflameenergy.com/userfiles/file/woxiwawivowudalula.pdfIn PDF document text
- https://g55net.com/webpagebuilder/ckfinder/userfiles/files/sujubiditanoneneludo.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/73696116300.pdfIn PDF document text
- http://aadcnfgl.netsociality.com/upload/files/66309487269.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109012258206890.pdfIn PDF document text
- http://manilag.com/FileData/ckfinder/files/20210906_7DC9C67FCE1EA5A6.pdfIn PDF document text
- http://francescasciortino.it/userfiles/files/vafaxolavevawezofifaxud.pdfIn PDF document text
- https://bisleriuber.genefied.co/ckfinder/userfiles/files/3107935045.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210907_061403.pdfIn PDF document text
- http://portableandcool.com/files/files/vomivitubikilug.pdfIn PDF document text
- https://springkasteelhuren.be/userfiles/file/wolaba.pdfIn PDF document text
- http://pascalparrot.com/uploads/assets/file/veraletup.pdfIn PDF document text
- https://asiantms.com/ckfinder/userfiles/files/63581165898.pdfIn PDF document text
- http://carmakers.cz/userfiles/files/23351346309.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_off0000dd82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD82 | 10320 bytes |
SHA-256: 8dd2422d30f56072c00029348dcda740235acfb8dc19fc05eed485568d770a0a |
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font_01_sfnt_off0000f50a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D1C | 17756 bytes |
SHA-256: b55a3e827ff179eafb3070509b9d610fb0ade1cbffb9c758ba0d8230dbf00613 |
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