MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's used to redirect users to potentially malicious sites. Although no scripts were explicitly extracted, the PDF structure and numerous embedded URLs point towards a phishing or malware distribution attack pattern, likely initiated via spearphishing.
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://krisoc.ru/uplcv?utm_term=cast+my+android+screen+to+pc PDF link annotation
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/89qm7cmf8n6oq9kgoj5d6ln0ru/tiduxoxajedid.pdfIn PDF document text
- http://canadianrockies.ca/files/file/desov.pdfIn PDF document text
- http://hzdsbg.com/uploadfile/1631803551.pdfIn PDF document text
- http://radio-salsa.fr/php/rs/filesupload/file/21911080616.pdfIn PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/17017743449.pdfIn PDF document text
- https://educhina.mn/editor/files/mopobifalivag.pdfIn PDF document text
- https://aynadakikemalizm.com/resimler/files/41563406904.pdfIn PDF document text
- https://webaprint.be/img/file/lalukomekep.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/mogagate.pdfIn PDF document text
- http://tottazo.com/userfiles/file/47377852009.pdfIn PDF document text
- http://sanxuatbanthinghiem.org/app/webroot/uploads/files/fozemitosozixawuwofikos.pdfIn PDF document text
- https://khanoomhoteli.com/basefile/khanoomhotelicom/files/vojoximab.pdfIn PDF document text
- http://bienchidan.org/uploads/files/zolepenav.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/gekekorolimite.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/pilevutebudi.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/3e174527265eaf85c7340344308f77d9/52023333341.pdfIn PDF document text
- http://getsolarnj.com/userfiles/file/timokobosugazudifetetox.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/wawurunizomovuzerakorub.pdfIn PDF document text
- https://grnca.org/img/files/files/73408230504.pdfIn PDF document text
- https://moiatakashta.com/userfiles/file/puwododuliw.pdfIn PDF document text
- http://cuacuonnhanh.vn/Images_upload/files/menexowagefuzokupesabipo.pdfIn PDF document text
- http://klaaswester.nl/img/file/67226020542.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/4568479442.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/najewoxiguvenuwivumovafu.pdfIn PDF document text
- http://monterroso-construpuntos.com/campannas/file/lupusojakiwikenerina.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_off0000d761.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD761 | 17696 bytes |
SHA-256: 1d0b281ceab4be6f7e5295769cb9e99cfdeee2554a7b6d04d3ef95f3516f425b |
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font_01_sfnt_off0001050c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050C | 10776 bytes |
SHA-256: 56a31c8a7a1d3f0ab949696e25314561b795901d9bdea684a834ec58e72cfe94 |
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font_02_sfnt_off00011de1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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