MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://synerhu.ru/uplcv?utm_term=ios+settings+for+android PDF link annotation
- http://thibidi.vinadesign.info/uploads/images/files/19690109668.pdfIn PDF document text
- https://actorconseil.com/files/file/37780802880.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/20219201934419055.pdfIn PDF document text
- http://toyotarent.hk/FileData/ckfinder/files/20210901_E392740CDD0C90D6.pdfIn PDF document text
- https://silverbirdmarketing.com/pages/images/file/pamojuzusimisafiresele.pdfIn PDF document text
- http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/lewuvanusaxijabatovuvisiw.pdfIn PDF document text
- http://ingmarcofaedi.com/userfiles/files/kolukisixu.pdfIn PDF document text
- http://www.biosafety.biz/ckfinder/userfiles/files/89983322961.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/dedazekexelabonalipesokuf.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/23260554059.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/93949487734.pdfIn PDF document text
- http://camara.acessoainformacao.org/uploads/ckfinder/files/fosaduk.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/80216786702.pdfIn PDF document text
- http://digivideos.net/ckfinder/userfiles/files/setam.pdfIn PDF document text
- https://fotografski-studio.kost.si/userfiles/file/80460847657.pdfIn PDF document text
- https://terracell.info/images/file/zulapuwi.pdfIn PDF document text
- http://studiopol.it/userfiles/files/rebetuxulerefavikirin.pdfIn PDF document text
- https://krafteco.ru/uploads/files/38277630306.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/47708344771.pdfIn PDF document text
- https://daaeportrett.no/upload/file/vabevonurebalopusivewefij.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/tolulu.pdfIn PDF document text
- https://prospr.fr/ckfinder/userfiles/files/52526198598.pdfIn PDF document text
- http://test-immo.com/file/68881071530.pdfIn PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/vamimapusuwab.pdfIn PDF document text
- https://manhalhealing.com/userfiles/file/ruzepazujubituse.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/3681cf40c5035c09aa7508879e1ed561/tuvomopolovimetifus.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_off0000d788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD788 | 17416 bytes |
SHA-256: 46295e013f62a41bfe96cf70e47bc2b429dd10dab224f55e577081eacd60126f |
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font_01_sfnt_off00010446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10446 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C5D | 10436 bytes |
SHA-256: 1442698d1a93ba22ac83e31e9b5789ec5bf6d6429973fda5674bf3ef16bbe73d |
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