MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, with a significant number pointing to disposable domains, characteristic of a link farm designed to obscure the final malicious destination. One URL, 'https://brs.jo/userfiles/files/koworatux.pdf', is particularly suspicious and likely serves as a redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://brs.jo/userfiles/files/koworatux.pdf In PDF document text
- https://fiscalonline.ro/app/webroot/files/userfiles/files/2501012792.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/rebid.pdfIn PDF document text
- https://anakaygame.net/calisma2/files/uploads/90890505442.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/matuna.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/veguxitepotasemurenije.pdfIn PDF document text
- http://krajinar.cz/soubory/files/xafoxejudazewuwar.pdfIn PDF document text
- http://cablexconsulting.com/Upload/file/rinobikuzotovimat.pdfIn PDF document text
- http://elverum-revmatiker.no/images/file/subufaderimud.pdfIn PDF document text
- https://kingcarmotorista.net/uploads/files/liduwajumuvo.pdfIn PDF document text
- http://jar-ted.pl/file/bariwebenufudoredi.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/14330096083.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/momepuxaxejijedasirof.pdfIn PDF document text
- https://garnet-medical.com/userfiles/files/92381924802.pdfIn PDF document text
- http://usairsprings.com/userfiles/file/18413859180.pdfIn PDF document text
- http://mobil-tech.com/files/62095675831.pdfIn PDF document text
- http://matras-devison.com/upload/file/xikovuferetizozosulu.pdfIn PDF document text
- https://sahodayabbsr.com/test/fckeditor/file/97723713338.pdfIn PDF document text
- http://ruihuitax.com/files/file/butawerisevenabitavef.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613023c2dc469---zefaronakesimaba.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16144dbdaee3cc---kinedazazirovoteduxuxade.pdfIn PDF document text
- http://krzysztofmalec.pl/gfx/fck/file/21106004480.pdfIn PDF document text
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/1476196307.pdfIn PDF document text
- http://okudshava.ru/userfiles/file/rivesebozasuzejexunaki.pdfIn PDF document text
- http://abwlanham.com/uploads/files/7756406211.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=best+graphics+android+games+2018PDF 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_off0000ed4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001055d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1055D | 16892 bytes |
SHA-256: b2e348c36dc7352062e5badde2dc68a389afbeebbca304d2d1a39132bdc1ac22 |
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font_02_sfnt_off000130d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130D5 | 11468 bytes |
SHA-256: 60cc068e835d6831375e78488595af40cb5943d6d238fd7deb31c190c9cee34c |
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