MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, with a high heuristic score for being a link farm on disposable hosting, suggesting an attempt to redirect users to malicious sites. The PDF's structure and the presence of external URIs point towards a spearphishing attachment, likely exploiting a vulnerability to execute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://andrenickels.de/ckfinder/userfiles/files/96664222530.pdf In PDF document text
- http://gachbinhduong.com/upload/file/misidade.pdfIn PDF document text
- http://anipetkingdom.com/webroot/img/files/dujafipimijufil.pdfIn PDF document text
- http://robedecreateur.com/img/files/pakanelaxatejojegigu.pdfIn PDF document text
- http://iuoooo.com/filespath/files/20210904170949.pdfIn PDF document text
- http://cjmfgxfollow.morefriendship.com/upload/files/62238245405.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/mojogigusejivotoxipimula.pdfIn PDF document text
- https://madame-tina.com/ckfinder/userfiles/files/76810981268.pdfIn PDF document text
- http://laureysnv.be/uploads/files/wazosoliradowi.pdfIn PDF document text
- https://fontaine-eva.fr/userfiles/files/22992377513.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/zowukuteloginapisuvux.pdfIn PDF document text
- http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kasutonuzepirepopadi.pdfIn PDF document text
- https://marblo.com/app/webroot/img/files/vetadopimogidanezubejuja.pdfIn PDF document text
- http://flagrant-desir.com/userfiles/file/nuzevufum.pdfIn PDF document text
- https://beauti-full.ru/uploads/files/gewiregexirelol.pdfIn PDF document text
- http://thegioituigiay.net/uploads/files/tifapikoginavunoro.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wijeledalokexonulewika.pdfIn PDF document text
- http://oecschool.com/userfiles/file/42125012973.pdfIn PDF document text
- http://www.bordadoindustrial.com/ckfinder/userfiles/files/futobebikirufibixogujaro.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388647b490f---ladokewakumufokipupeko.pdfIn PDF document text
- http://shopcode.ru/uploads/file/39971940874.pdfIn PDF document text
- http://gruppocreta.com/userfiles/files/devebaduk.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=british+english+dictionary+pdfPDF 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_off0000d2ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AB | 17348 bytes |
SHA-256: 10fbe589c9fee36ee4c1bbe690a9ebdfeade72f198151966c67c6957b6f390b8 |
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font_01_sfnt_off0001003f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1003F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11856 | 11064 bytes |
SHA-256: 84b10b16c9d5f36a7aed780cfdfb9114d92bded63e4416e900f53ddbdbdcda02 |
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