MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to a link farm hosted on disposable domains, a common tactic for phishing or malware distribution. The presence of external URI heuristics further supports the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161476f9caee58---fajedawowexop.pdf In PDF document text
- http://mikailang.com/userfiles/file/20210919021016_1069509490.pdfIn PDF document text
- http://debeleven.net/UserFiles/File/6200274302.pdfIn PDF document text
- http://www.77ice.com/upload/files/43476957953.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/mumokeludel.pdfIn PDF document text
- http://ks-system.co.uk/ckfinder/userfiles/files/kesobusafabadivorivi.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/punuwinerojesizotuze.pdfIn PDF document text
- https://kaptenhoki.org/contents/files/firaxuranegesikoxes.pdfIn PDF document text
- https://miltonmattox.com/userfiles/file/mowodunowapevog.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/6697083413.pdfIn PDF document text
- http://thietbiytedaibao.com/media/files/55743767708.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/50989518012.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/68046240995.pdfIn PDF document text
- http://belniig.by/public/file/9320011096.pdfIn PDF document text
- https://icbacademy.com/upload/files/66430274707.pdfIn PDF document text
- http://jncs.kr/page_data/file/20210901225314.pdfIn PDF document text
- http://kuppersbusch.hu/userfiles/files/87201802602.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/6276351736.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/mopovatuwuva.pdfIn PDF document text
- http://print-resource.co.uk/ckfinder/userfiles/files/99504010158.pdfIn PDF document text
- http://dycelife.com/userfiles/file/xinarexunubafodemo.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614007bb9acc5---fajesojubaratukobiwaxesu.pdfIn PDF document text
- http://chinahongji.com/d/files/nadejiwegid.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=veronika+decides+to+die+pdf+downloadPDF 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_off0000de3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE3B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f64d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF64D | 20800 bytes |
SHA-256: 60973523f4b71873ed0a51b153617ee8426e6f1a41bdceb822725ef69ef266fe |
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font_02_sfnt_off00012c22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C22 | 10760 bytes |
SHA-256: cc2103c154ae725cbe9e7e4bff02a2c79df5ed04efbd4d7d5067fcfa8eac7d5f |
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