MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware distribution. No scripts were extracted, but the extensive use of external URLs points to a redirection-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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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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 https://laborke.ru/uplcv?utm_term=soundarya+lahari+lyrics+in+kannada+pdf+download
- https://fablab808.com/nbloom/fckuploads/file/32656168794.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/b9beac1bd5e6fb4ba587de90a52e48ea/72129004310.pdf
- https://kvkumariajnkvv.org/singhania/downloads/file/fefulopixabipuv.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/v79la4qc420jo4i7km02ojkkk4/taxabezuzofigibukuxivo.pdf
- http://accessiblevehicleservices.com/userfiles/file/kijikugezeki.pdf
- http://biemmecommerciale.eu/userfiles/files/32203890713.pdf
- http://arabic.cz/ckfinder/userfiles/files/mesobiwozikojasi.pdf
- https://towa-aaa.jp/userfiles/file/vafapet.pdf
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/30gnpmq8iaef5kr53beirtr79i/joxotamikuw.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d2595ae796f---gijazobomomimubaruj.pdf
- http://toyteepee.com/uploadfiles/file/210609062548770856rcg4z2.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/kk4l7vmuq4pffqle9fgr41q2f6/64837149145.pdf
- http://booklandbooks.com/userfiles/file/derefuwujibow.pdf
- http://touchpanelpro.com/upload/files/liwizabinafeforetimim.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da9c3c299ea---ruxikapu.pdf
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/a9uuu9j5m5ue1r9ttcgk52ve75/19178127784.pdf
- http://topcudental.com/img/userfiles/files/bezamoxoligodituxanozuwok.pdf
- https://torbay.ru/images/uploads/file/79433431900.pdf
- http://renovator.cz/files/file/21463369834.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d2287f82f---befanimavizafos.pdf
- http://kleiberit.ru/files/file/kifubesuvanipemuriguvipi.pdf
- http://seabeachthailand.com/UserFiles/file/17694062492.pdf
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rifanijipuxomazelelaw.pdf
- https://bliznacite.com/files/vovivurigama.pdf
- 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_off00014d50.bin60b162b944f37c035ff4b5ea8d0e3fa693ae3e9f09a9f3e7ed7c759fada0dd74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D50 | 17056 bytes |
font_01_sfnt_off0001791b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1791B | 16792 bytes |
font_02_sfnt_off00019132.bin625b8d0876f2af0aae90161e0344c2fea81f71dde4b0981f1f5c39614324fb41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19132 | 10952 bytes |
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