MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to other PDF files, suggesting a link farm or SEO poisoning campaign. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://cukrarnakolbaba.eu/obrazky/files/mevijenadaxidofo.pdf In PDF document text
- https://foundationkuzmanov.com/files/86051651024.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109130814323664.pdfIn PDF document text
- http://speakingaboutnetworking.com/ckfinder/userfiles/files/xenigozojeduni.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/bolukatago.pdfIn PDF document text
- http://gamecoast.by/uploads/files/44806360086.pdfIn PDF document text
- http://keralatravelpath.com/uploads/file/87561316956.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/69888176714.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcf13c9d81---vuxakofuv.pdfIn PDF document text
- http://www.accl-calibration.com/login/ckfinder/userfiles/files/xitupizutekivin.pdfIn PDF document text
- http://vinaaquachem.com/uploads/files/xividuzesarozebonova.pdfIn PDF document text
- http://www.aragonemprendedor.com/userfiles/files/gapirenabilopuga.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/buwiwupedafiwetomoxusip.pdfIn PDF document text
- http://lamgi.pl/ckfinder/userfiles/files/vopuvalixamanoteja.pdfIn PDF document text
- http://soosanfix.com/upload/fckeditor/file/doxugof.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613230570efd3---20040755571.pdfIn PDF document text
- https://ccs-corporation.com/ckfinder/userfiles/files/14539911785.pdfIn PDF document text
- http://adec-interiors.net/Uploads/file/gunavitobifer.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/69011708920.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/jesobepumanoletusewepuxe.pdfIn PDF document text
- http://kalmi.ru/upfiles/files/44021920899.pdfIn PDF document text
- http://polins.org/public/userfiles/file/68939890671.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/44921991682.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=windows+8.1+working+product+keyPDF 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_off0000d992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD992 | 11192 bytes |
SHA-256: c13ab17a08ffa4fd5a220a9d245a57dae2984ce9525fa97c3fc597107b950cb2 |
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font_01_sfnt_off0000f3d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010be9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE9 | 18824 bytes |
SHA-256: cd65655b4a74bf59e68593e433315f21dc866b812571f8e4a0aecacd6a3e3f82 |
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