MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by an ML classifier as malicious and contains heuristics indicating it is a link farm designed for SEO manipulation, pointing to compromised CMS uploads and disposable hosting. The document's content and structure strongly suggest an advance-fee scam, aiming to trick users into clicking malicious links by impersonating legitimate notifications about prizes or deliveries.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://inwebjor.ru/uplcv?utm_term=my+android+phone+has+become+very+slow
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/72979002871.pdf
- http://www.hkrns.org.hk/ckfinder/userfiles/files/ramoje.pdf
- http://misterholidaysanprisco.it/userfiles/files/16875226384.pdf
- https://sandipkumardutta.com/ckfinder/userfiles/files/66008259840.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336720a6c69---xelopazibom.pdf
- http://esoftland.com/userfiles/file/89680683951.pdf
- http://ore-processing.ru/d/files/91344442427.pdf
- https://exam11.menapoint.com/app/webroot/upload/files/912530191.pdf
- https://stmpallet.com/ckfinder/userfiles/files/tebiwifesofugi.pdf
- https://redac.ch/upload/muwamubijupuxipax.pdf
- http://scsytech.com/upload/files/15262897291.pdf
- https://selapro.com.au/application/third_party/ckfinder/userfiles/files/fipikezudajawive.pdf
- https://luckysurface.itweald.com/uploads/files/612fe37d02c04.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613569dc0cf20---kererunurarowitep.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/ffea6a87c91a515938896c167f85454c/nezevetod.pdf
- http://mamolenasnc.it/userfiles/files/kojukenexavor.pdf
- http://manegedebuitenwijck.nl/uploads/file/11195191917.pdf
- http://phantasos.org/userfiles/file/33086622072.pdf
- http://thepokeluau.com/uploads/files/xofogukedebapulalikafok.pdf
- http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_03_13_47_03_6097.pdf
- https://cochleartudaskozpont.hu/files/ledowigaxo.pdf
- http://www.mbk-montage.nl/ckfinder/userfiles/files/salafevu.pdf
- http://indianspringhomes.net/userfiles/files/dudaguxalowopegep.pdf
- https://equipelec.fr/ckfinder/userfiles/files/fujubezowodaruwibabe.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_off0000e891.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE891 | 16792 bytes |
font_01_sfnt_off000100a3.bin6714929bc1e1e0fcdb08eb40a225c5955c43bec0dd0f1fe0950e5c94c6fd0968 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A3 | 18224 bytes |
font_02_sfnt_off00012fbc.bina822b75680af858cdf5def75697d346223f47d9e3dee14d16e8074ec1177688e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FBC | 11080 bytes |
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