MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to potentially malicious domains, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this by identifying a large number of links on disposable hosting, a common tactic for evading detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://skoleniridicubrno.cz/ckfinder/userfiles/files/57953764478.pdf In PDF document text
- http://chiangmai-esc.net/user_img/files/82510932532.pdfIn PDF document text
- https://attack.lt/images/files/16412009458.pdfIn PDF document text
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/lubalaxutunakimarokolata.pdfIn PDF document text
- http://artiguardia.pl/userfiles/file/89489737604.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/fisasulowexumate.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/xekiwemanumunupatak.pdfIn PDF document text
- https://immsac.pe/sgi_userfiles/userfiles/files/gusebede.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/nakomotonemis.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16132b3b421beb---18621659014.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/3886489401.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/zuparikokokobeni.pdfIn PDF document text
- http://studiorumeo.it/userfiles/files/forawilebu.pdfIn PDF document text
- http://sintjorisparochie.nl/userfiles/file/zupifumovija.pdfIn PDF document text
- http://designklasse.de/ckfinder/userfiles/files/4362060634.pdfIn PDF document text
- http://studioingegneramato.com/userfiles/files/zibujizuziwazuzixulivokog.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210912203304.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/2cdbae3c8ac34b7c8d16f9403b598eef/2903925358.pdfIn PDF document text
- http://michalpavlicek.com/uploaded/file/99111943214.pdfIn PDF document text
- https://tarsiman.ee/files/file/48831913099.pdfIn PDF document text
- https://hamzsabegi60szallo.hu/UserFiles/File/79752968608.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/vixufonedozuvataxali.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=update+alight+motion+pro+2020PDF 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_off0000d7b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B0 | 10920 bytes |
SHA-256: 0a38ae6a83e7dac89bb26bf771f222b4c15c6d9ad4873a717aeac45a454f5c86 |
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font_01_sfnt_off0000f08a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08A | 17264 bytes |
SHA-256: 6db255ed7667a1df77d908be2c3fbb89716fcb62e957c9d7d7cedf23ba7f5949 |
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font_02_sfnt_off00011d44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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