MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to potentially malicious domains, and exhibits characteristics of a link farm designed to redirect users. While no scripts were extracted, the PDF structure and heuristic firings suggest it's used to drive traffic to external sites, a common tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://vrieshorst.nl/images/uploads/file/24506316119.pdf In PDF document text
- https://autonoleggioassereto.com/file/wurudubekekufuw.pdfIn PDF document text
- http://britishcytology.org.uk/ckfinder/userfiles/files/lefuletenutu.pdfIn PDF document text
- http://iweldbot.com/ckfinder/pho/files/97628962857.pdfIn PDF document text
- https://beruanglucu.com/contents/files/82916201090.pdfIn PDF document text
- http://ain.proximeo.com/ckfinder/userfiles/files/7531511037.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/5b69d4a0822e755b18b15eb23a7c0c59/muwurofedemutikejize.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/meguta.pdfIn PDF document text
- https://mbzgogo.xyz/web/img/podborky/files/rasijadamu.pdfIn PDF document text
- https://a1-recruitment.fr/v2011/Files/fck_upload/file/63947164700.pdfIn PDF document text
- http://highdeal.linkeo.net/ckfinder/userfiles/files/pedigojemewomuxegumunox.pdfIn PDF document text
- http://ordineveterinarireggioemilia.it/userfiles/files/38185050121.pdfIn PDF document text
- https://motecx.com/images/file/65485171682.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/povirokijinabubewab.pdfIn PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/48335623081.pdfIn PDF document text
- http://impressivetravelvietnam.com/upload/files/lovufaselategu.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/xuwipotamor.pdfIn PDF document text
- https://laps.pl/userfiles/file/bazelufetutawez.pdfIn PDF document text
- https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/50760203771.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210917010930.pdfIn PDF document text
- http://abnicum.com/files/file/55964008076.pdfIn PDF document text
- http://byecook.com/ckupload/files/70853150168.pdfIn PDF document text
- https://clickbox.ro/images/file/28349456061.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/161421c8799fbd---6124070936.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=android+dirty+cowPDF 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_off0000d686.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD686 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE9D | 10036 bytes |
SHA-256: bafcb1eb4400bdfc8d6a87feb46860babf2853c02f38c8b018308e2f193685c3 |
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font_02_sfnt_off0001050e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050E | 17848 bytes |
SHA-256: a1bf089d60ff6774a0a9e28ac5578e7972a81fa6d191be45bf4bd9f691beee5d |
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