MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The `PDF_SEO_DISPOSABLE_LINK_FARM` heuristic further supports this, identifying the document as a non-clustered link farm designed to redirect users. No scripts were extracted, but the presence of external URIs and the overall structure strongly suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://cructi.ru/uplcv?utm_term=mms+bouygues+android PDF link annotation
- https://jobtiara.com/files/files/17866710576.pdfIn PDF document text
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/44777691130.pdfIn PDF document text
- https://vienhung.com/webroot/img/files/sarekiwixami.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/furogiwubologek.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/nejubovipazaguluferalu.pdfIn PDF document text
- http://shopsuathientu.com/uploads/userfiles/file/87594005686.pdfIn PDF document text
- http://espicycooking.com/files/file///53880530563.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/mabotegajaxulimatumira.pdfIn PDF document text
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/mutelimofadesalipanu.pdfIn PDF document text
- http://chernogolovka.inhome360.ru/admin/ckfinder/userfiles/files/80440367207.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/dixerivakapuwiwubovamugo.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/31591704819.pdfIn PDF document text
- https://elitstroycraft.ru/source/file/zufomimiw.pdfIn PDF document text
- http://tangiahoang.com/skinkorea/Images_upload/files/fewobajipi.pdfIn PDF document text
- http://nurugelexport.com/ckfinder/userfiles/files/gegotol.pdfIn PDF document text
- http://bishnutoursandtravels.in/userfiles/file/13438432169.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d8a8754bad---36813452595.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/21091714165210278041rgmv.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/4db3ff17a8ef7df77325c74c8ad78d78/guzinokuriwimitogatodumu.pdfIn PDF document text
- http://hengtongrongshang.com/jingkelun/userfiles/files/20210912015218.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/45094258656.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/roxivolalusemi.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/jidirexeredanobusi.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_off0000b7dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7DC | 19056 bytes |
SHA-256: 98f90900c2e168a88fb617ccc82c76eb1b0c8215b53f537610d5f287eb755b77 |
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font_01_sfnt_off0000e93b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE93B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10152 | 10796 bytes |
SHA-256: 33449d393bbdb50f2f5a3e6cbeb91200969e1f3407f21bbcc10ba5464e37947e |
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