MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to other PDF files hosted on disposable domains. This suggests a campaign to manipulate search engine results or distribute further malicious content.
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 http://csc0516.com/userfiles/file/20210916105702_75kuwp.pdf In PDF document text
- http://titadoorbinhduong.com/upload/files/99367737035.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/rg2ipkkuikn44khmc4cg2fgv8b/fifola.pdfIn PDF document text
- http://jfhconsultancy.nl/userfiles/files/66744753314.pdfIn PDF document text
- http://www.solarwindependence.com/ckfinder/userfiles/files/wunorur.pdfIn PDF document text
- https://ipekyolumedya.com/resim_galeri/file/tababipivegebusefuluwoza.pdfIn PDF document text
- http://veiligheidssloten.nl/ckfinder/userfiles/files/peboxaximanimagaloxezejo.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/latuw.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/74623299469.pdfIn PDF document text
- https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/wagajowufefede.pdfIn PDF document text
- http://potlista.com/file/files/najegerijosogatoze.pdfIn PDF document text
- https://artedelvalle.cl/gal/files/file/vosit.pdfIn PDF document text
- http://mientrungland.net/uploads/image/files/nokilubodog.pdfIn PDF document text
- http://thesecurityguardunion.ca/userfiles/files/gapunalorurelilugobum.pdfIn PDF document text
- https://lifo-sea.com/ckfinder/userfiles/files/92812830733.pdfIn PDF document text
- http://terremeraude.com/userfiles/file/tirotodurulifagopebogudav.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/a7f7afd49f08cd798b347857975c3d12/woxowizofax.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/wadopureluveb.pdfIn PDF document text
- http://www.serenissimaservizi.com/files/gukutujete.pdfIn PDF document text
- http://stroykap.com/application/views/stroykap/userfiles/file/85831926149.pdfIn PDF document text
- http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/bikemiwaralaxomasugovuxuz.pdfIn PDF document text
- http://gioiacompany.net/images/upload/file/daxitituzunowuxogi.pdfIn PDF document text
- http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/66725051723.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=cheat+codes+for+gta+3+mobilePDF 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_off0000c7a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A1 | 11160 bytes |
SHA-256: 61adc52933f75ff7993684e67694dd747dbe1ae030bae33ecc2fb268785496a3 |
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font_01_sfnt_off0000e18d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18D | 18260 bytes |
SHA-256: a10953b5ff04d0e6e0701257c3c3f6fae05c5a5a6440da2a2e87dd25382a7483 |
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font_02_sfnt_off00011180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11180 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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