MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, suggesting a phishing or redirection scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and SE_QR_LURE heuristics further supports this, indicating an attempt to lure users to external sites. No scripts were extracted, but the PDF structure itself facilitates the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://celeb.huh.hu/UserFiles/File/midafazamozaniwunedarad.pdf In PDF document text
- https://fortworthdental.net/cmsCart/upload/file/96898245866.pdfIn PDF document text
- http://abdon.madteam.net/ckfinder/userfiles/files/14516505640.pdfIn PDF document text
- http://eapver.com/upload/ckimg/files/202109100733171182.pdfIn PDF document text
- http://lgassociates.in/uploads/disip.pdfIn PDF document text
- http://nail-free.com/ckfinder/userfiles/files/75590646318.pdfIn PDF document text
- https://winstar-tools.com/UserFiles/editor/file/fuvasiz.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/fdf75f19bf727cc10767bed22b4ae08a/89065189909.pdfIn PDF document text
- http://hagelkonzept.de/userfiles/file/vezokelesonigotusizeresig.pdfIn PDF document text
- https://etevent.itweald.com/uploads/files/613f314d68e25.pdfIn PDF document text
- http://dongphat.net/upload/files/xatubaxoxuvito.pdfIn PDF document text
- http://cgl.lu/userfiles/files/55186130166.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/fanuzutevajedivije.pdfIn PDF document text
- http://albertf.madteam.net/ckfinder/userfiles/files/gediravij.pdfIn PDF document text
- http://bandbaajabarat.com/ci/userfiles/files/22446730481.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/lalep.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/vosolugonemedesikak.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614a233474c7a---silafajusaxuziwulal.pdfIn PDF document text
- http://etkindenetim.com/resimler/files/8662636982.pdfIn PDF document text
- https://phukienbep.net/media/files/jitivisokiniwezofuzunik.pdfIn PDF document text
- https://propactionvehiclesuk.tv/userfiles/files/vasasodukemapag.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/guxokileritot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=copy+from+one+android+to+anotherPDF 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_off0000d299.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD299 | 18104 bytes |
SHA-256: 85304c9d2f950364bec5d2d103b43b090599ea44df2dfcad9fa83dbf35fc8cb9 |
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font_01_sfnt_off0001018c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1018C | 10696 bytes |
SHA-256: 573bac5797aab1753a0c7392ad8f681667489977adb3f738b12c2e578e979686 |
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font_02_sfnt_off000119e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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