MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is described as a link farm on disposable hosting, suggesting it's used to redirect users to potentially harmful sites. The presence of embedded URLs further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://chcial.ru/uplcv?utm_term=sim+id+android PDF link annotation
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352ecf7235b---15724830300.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/sitisiwowivunofalagaxesi.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/12668837530.pdfIn PDF document text
- http://ledins.lv/cms/file/4461255586.pdfIn PDF document text
- http://comlark.ru/userfiles/files/tupef.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/7535262927.pdfIn PDF document text
- http://galenbio.com/images/upload/file/75914782519.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/79159081859.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/lawewen.pdfIn PDF document text
- http://eternoohydro.com/d/files/40422308096.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/dakipogazikagub.pdfIn PDF document text
- https://simpangkanan.com/contents/files/sokul.pdfIn PDF document text
- http://rencontres-icare.org/userfiles/file/64795856693.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/55341263999.pdfIn PDF document text
- https://alquimia.in/admin/fckeditor/editorfile/2736180497.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/57985728926.pdfIn PDF document text
- http://megalaserasia.com/upload///4004358443.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/28810618027.pdfIn PDF document text
- https://xn--90aweabvm.xn--p1ai/ckfinder/userfiles/files/60055724783.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614afca87e88f---3785229480.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/jinomogokub.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/zilibo.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/29162751825.pdfIn PDF document text
- http://ckm-machinery.com/userfiles/files/39128589636.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_off0000d6b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B5 | 17488 bytes |
SHA-256: f7cd994d5ba0738b0ae506252a7e223d842477346f57a1d9d6f33eb2b53c897a |
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font_01_sfnt_off0001042c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042C | 10040 bytes |
SHA-256: 0f52017ccf21e0760649623eee6c86cdf59bf50072d58edad0967748dc6452c7 |
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font_02_sfnt_off00011a61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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