MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, indicating a likely attempt to redirect users to malicious content. The document body is heavily obfuscated and contains metadata from wkhtmltopdf, suggesting it was programmatically generated to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://liebherr-tr.com/userfiles/file/bibufopurupotorej.pdf In PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/maketafefalem.pdfIn PDF document text
- http://villapellegrino.it/userfiles/files/fotezopekomopimixen.pdfIn PDF document text
- http://goozzl.com/userfiles/files/tosugoz.pdfIn PDF document text
- https://hidropomp2008.com/uploads/userfiles/file/buneragatebetujoweluwu.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/rexawutun.pdfIn PDF document text
- http://decaiyun.com/upload/file/210915153258368590jfgaotgytyce.pdfIn PDF document text
- https://pui-vital.ro/msg_media/file/jupovuvovedojepusegodudid.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16145a3e93e0b6---61557870075.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/17311074649.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/45137930115.pdfIn PDF document text
- http://0985028898.kad.tw/kads/ckfinder/userfiles/files/27581675330.pdfIn PDF document text
- http://akbarestate.com/survey/userfiles/files/76699124020.pdfIn PDF document text
- http://eurogeographyjournal.eu/admin/fckfiles/file/51787759130.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/fividivavasetovajulal.pdfIn PDF document text
- http://denkobarbell.com/_upload/files/51191127815.pdfIn PDF document text
- http://bronia.org/userfiles/file/98525530062.pdfIn PDF document text
- http://budka39.ru/files/lefaforowafu.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/vomuxeranutukaguj.pdfIn PDF document text
- http://melodylavernebettencourt.com/media/file/48952156265.pdfIn PDF document text
- https://hamzsabegi60szallo.hu/UserFiles/File/80785637323.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/zaratavidelojabotilizobow.pdfIn PDF document text
- http://mecaniquekd.ca/upload/file/parelo.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135adb19539f---nodijakudiben.pdfIn PDF document text
- https://takipbizde.com/calisma2/files/uploads/91568336232.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/22705155413.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=sword+art+online+memory+defrag+mod+apkPDF 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_off0000b32b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB32B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB3D | 17088 bytes |
SHA-256: ebfd64f664155bce0a66782c92635acb86996623d4ac538119dfa2f5d8dfde7f |
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font_02_sfnt_off0000f763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF763 | 11040 bytes |
SHA-256: b7eb6328417fc41f09ff316e34b7073d3824e1474f7a65b23bb882a2fa2a8ee6 |
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