MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains numerous embedded URIs, many of which point to potentially compromised websites or disposable hosting, forming a link farm. These links likely serve to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.5249
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://ostrichtours.com/ckfinder/userfiles/files/tusalepoworo.pdf In PDF document text
- https://tennis-samara.ru/img/file/nipofimipise.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/24879203305.pdfIn PDF document text
- http://nickels.design/ckfinder/userfiles/files/zibazazakakezidozet.pdfIn PDF document text
- http://kajo-frings.de/userfiles/file/noririwu.pdfIn PDF document text
- http://deauville.ru/files/file/55231972290.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ed07d9b41---lunidotegobibiwitulob.pdfIn PDF document text
- http://newgatedesign.com/Images_upload/files/16283677382.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/jibudulodinepoxixitizazav.pdfIn PDF document text
- http://thcsducthang.pgdbactuliem.edu.vn/ckfinder/userfiles/files/91190959999.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613af5a90fb44---34076946730.pdfIn PDF document text
- http://apsara.ru/userfiles/file/xosodulexuzoj.pdfIn PDF document text
- http://xecuoihuyhoang.com/uploads/userfiles/file/nuwofoxogukepuf.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/nasatel.pdfIn PDF document text
- http://forter.vn/hinhanh/file/xometizafalekobebosediviv.pdfIn PDF document text
- http://leeharringtonhomes.com/userfiles/file/16079401675.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/duvapumesinumavitoxe.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/89094329627.pdfIn PDF document text
- http://artsar.pl/userfiles/file/pilofukexuxiwosofetoza.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6567b98b6---95558379181.pdfIn PDF document text
- https://gionggiacam.com/ckfinder/userfiles/files/musofadawo.pdfIn PDF document text
- https://tckontrola.hr/files/nuvosonewa.pdfIn PDF document text
- http://140.121.161.111/ckfinder/userfiles/files/44676745122.pdfPDF link annotation
- https://goldgreiner.de/userfiles/file/nejisepibodugiminuwewisuj.pdfIn PDF document text
- http://nail-free.com/ckfinder/userfiles/files/78517472935.pdfIn PDF document text
- http://ahkjt.com/upfile/file/42675959931.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=wifi+password+decryptor+for+androidPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d12b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD12B | 10760 bytes |
SHA-256: 3649c1fd2539850285dcddc1b6fb1437610888fb7ff95e126d6dca888e6d02c4 |
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font_01_sfnt_off0000ea21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA21 | 17748 bytes |
SHA-256: cfe82ea12ef27cb5eef6197eef57dd05136b0e83cadd7680b9a754083159884d |
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