MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm used to obscure the ultimate destination. The presence of urgency language further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://koddous.com/userfiles/file/nabot.pdf
- http://www.egavilanes.com/ckfinder/userfiles/files/razomuzib.pdf
- https://bostaninsaat.com/image/files/budusota.pdf
- http://iccjsc.com/images/uploads/files/pozemabudibeme.pdf
- http://etcpremium.com/userfiles/files/bewowoludiw.pdf
- https://www.grdr.org/paidel/ckfinder/userfiles/files/66933286307.pdf
- http://quatanggiabao.com/images/uploads/files/bubaxopufupeto.pdf
- https://next-engineering.com/userfiles/files/xusiretosanomepobapi.pdf
- https://www.borzabadi.com/ckfinder/userfiles/files/53326201238.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16137eadd790e5---78328926077.pdf
- http://romanakladatelstvi.cz/userfiles/file/tipomizog.pdf
- https://pezenasenchantee.fr/userfiles/file/sidavufafotoribafide.pdf
- http://f-okinawa.com/img/tmp/file/dujifazowidotupe.pdf
- http://puzynowska-kancelaria.com/userfiles/file/16073045180.pdf
- https://limpiezasinasel.com/userfiles/files/vesovepinarawimi.pdf
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/95496348629.pdf
- https://abctranslink.com/ckfinder/userfiles/files/30481322767.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16137b0aa41f2f---jivudidipoz.pdf
- http://abwhopewell.com/uploads/files/nabafidojewapok.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130accb89468---kumutepira.pdf
- https://invision.buzyhub.com/files/wiwutemobidomarukobavazap.pdf
- https://cafesca.mx/ckfinder/userfiles/files/9651637804.pdf
- http://klenderbio.com/upload/files/41468616648.pdf
- http://isystemlab.com/admin/ckfinder/userfiles/files/daperumivipevuwal.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=melbourne+flood+zone+map
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8b2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B2 | 16792 bytes |
font_01_sfnt_off0000f0c9.binece91e2d46dd77762160c73e97ccb042884c929eaed0b997cc1eb4095422b206 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C9 | 10596 bytes |
font_02_sfnt_off000108b9.bin03a36a7ab9a3c28d1168770b6c0952765fe692bc79e723b40369dc6c0abb6dd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B9 | 18540 bytes |
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