MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to link farms hosted on various domains, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were extracted, the structure and embedded URLs suggest a phishing or malware delivery attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://kbchina.de/upload/tefasuwu.pdf In PDF document text
- http://massimosusto.eu/userfiles/files/18014986986.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/bilisidivikokeposukakigan.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c3c08ccba---84785170428.pdfIn PDF document text
- https://rosettes.it/userfiles/file/33751109211.pdfIn PDF document text
- http://izumrud38.com/ckfinder/userfiles/files/fopexanupamalibufafepom.pdfIn PDF document text
- http://studiovalecchi.it/userfiles/files/2942565058.pdfIn PDF document text
- https://aspaeng.com/files/image/files/retoxerimaju.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/88071571155.pdfIn PDF document text
- http://synfarm.com/upload/files/28903606239.pdfIn PDF document text
- http://hb1004.com/userData/board/file/19058319325.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zivetizetifejabanaruk.pdfIn PDF document text
- http://photonart.nl/phpcmsys/file/refuliloronijix.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/murevuvewepa.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1631369186.pdfIn PDF document text
- http://liburnia.pl/userfiles/file/99053859958.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/lusugonubukurupetevu.pdfIn PDF document text
- https://habibitours.org/ckfinder/userfiles/files/motexa.pdfIn PDF document text
- http://osingenieria.com/images/admin/file/mexevow.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb7409cc8f---zijesizalef.pdfIn PDF document text
- https://eastmangroupllc.net/ckfinder/userfiles/files/vaden.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16134375d7fc98---27635549187.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=implosion+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_off0000d1e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1E0 | 18012 bytes |
SHA-256: c15d5d37cd5c7857fd10691eb1a778bded8f0a1d60534227a3f57824f68535cc |
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font_01_sfnt_off000100d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E9 | 10264 bytes |
SHA-256: 16a4716c91a781e344dc17616a89601cf3c9b59063d845d7e2bcb35e8a8fff22 |
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