MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains a large number of embedded URLs, many of which point to disposable hosting and utilize UTM parameters, suggesting a link farm or phishing campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically calls out this behavior. While no scripts were explicitly extracted, the presence of numerous external URIs and the overall structure strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://queure.ru/uplcv?utm_term=test+cricket+game+apk PDF link annotation
- https://araprinter.com/ckfinder/userfiles/files/molidiwewikoguxow.pdfIn PDF document text
- https://verticala.ro/images/userfiles/17806047321.pdfIn PDF document text
- https://hurghadalife.net/userfiles/files/sarumeb.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210921051745.pdfIn PDF document text
- http://marcth.pl/media/fck/file/58458272349.pdfIn PDF document text
- https://foodsafebox.com/ckfinder/userfiles/files/80808375006.pdfIn PDF document text
- https://digireg.org/upload/xazakolopiketajumiz.pdfIn PDF document text
- http://pronobile.de/catalog/file/xozokitan.pdfIn PDF document text
- https://iphone-odklep.si/vsebina/refesibavuroteteza.pdfIn PDF document text
- http://seosanhrd.com/userfiles/file/betamamuwami.pdfIn PDF document text
- https://songhong.info/userfiles/file/31009694294.pdfIn PDF document text
- https://pabxlg.com/userfiles/file/nudajujabikofo.pdfIn PDF document text
- http://danieldesignpro.com/userfiles/64756367584.pdfIn PDF document text
- https://eqonetech.com/upload/userfiles/files/39985154910.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2e219cf58---zudadivudosunavupo.pdfIn PDF document text
- https://xn--fiqa735be48e.com/upload/files/57726212955.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/lonarobusozufuzo.pdfIn PDF document text
- http://chipgene.com/image/files/20210905_020100.pdfIn PDF document text
- https://vico-immobilien.com/ckfinder/userfiles/files/gimidesozajibuno.pdfIn PDF document text
- http://daisytalavera.com/userfiles/files/lulurovepexigozofose.pdfIn PDF document text
- https://sainaudit.mn/File/podisamanirubifosusivef.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/bamuwibivediw.pdfIn PDF document text
- http://northmarking.com/userfiles/files/23317654061.pdfIn PDF document text
- https://nepalmicrofinancesummit.org/userfiles/files/69277086280.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/3444755156.pdfIn PDF document text
- https://otomatcilarmetal.com/otomat/upload/files/pelevos.pdfIn PDF document text
- http://kubkao-kubpla.com/userfiles/files/76235408754.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_off0000bc21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD438 | 10504 bytes |
SHA-256: 8b6991f98bdeb0f67173eccf30f5b7c560e8dc9d0c28ac2b297adde4ffa0ad8d |
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font_02_sfnt_off0000ec2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC2C | 19408 bytes |
SHA-256: 9e2d7392065c0d2858c854dc4f97379462d39cb7c554ef72b79260db14dfb1a5 |
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