MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, many pointing to potentially disposable domains, suggests a link farm or phishing lure. The 'SE_URGENCY_LURE' heuristic further supports the phishing pretext, aiming to prompt immediate user action. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing attack or a downloader for a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://ceccargiurgiu.ro/userfiles/file/somefiko.pdf In PDF document text
- https://cuatudongbinhduong.net/uploads/files/mafej.pdfIn PDF document text
- http://briztravel.com/upload/files/dujos.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/wizojovoxurorefefosir.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/51227283916.pdfIn PDF document text
- http://umrllc.com/userfiles/files/18758357156.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/43566208815.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/88444753614.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303ed90f3e3---jemidoridimuku.pdfIn PDF document text
- https://wigs4less.net/nbloom/fckuploads/file/19236531426.pdfIn PDF document text
- http://www.beautyvogue.ch/Files/file/gufifagifoxiketamikop.pdfIn PDF document text
- https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/78947940696.pdfIn PDF document text
- https://toocapen.com/files/sezofubululodakagogabadu.pdfIn PDF document text
- http://lysfyyy.com/upload/files/20700346409.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/69177590257.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/92895302646.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/93863472053.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342795d8c19---supozikotibajevo.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/49019521221.pdfIn PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/25635021987.pdfIn PDF document text
- http://dekobonner.de/userfiles/file/73666486035.pdfIn PDF document text
- https://kuzeyilac.com/resimler/files/29207772579.pdfIn PDF document text
- http://taiwangallant.com/uploads/files/202109031201261905.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=is+it+ok+to+eat+spinach+with+yogurtPDF 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_off0000d6e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E0 | 17340 bytes |
SHA-256: 4c888c5837a376930e424b7584ee492a6b632e347c7bc71586c19f9f6b2d0805 |
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font_01_sfnt_off0001039d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039D | 10948 bytes |
SHA-256: b0bd07e77673db98d8890c6c1b0a2bf4eca186d46e15d9eedf5e6230ab05feeb |
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font_02_sfnt_off00011d19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D19 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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