MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing a secondary payload via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://prvugkh.ru/uploads/files/85865085645.pdf In PDF document text
- http://hoangminhphatkorea.com/webroot/img/files/31441226339.pdfIn PDF document text
- https://www.rockfallco.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff828768d4---47168279196.pdfIn PDF document text
- http://kopdesign.nl/userfiles/file/67664910791.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/713764df528e0b4e59c955a22ef1fe41/warawaxalebuduvazowibes.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa98d157668---bidexori.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/3225005523.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/67297661811.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/65879672509.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/52907616009.pdfIn PDF document text
- http://davidhammerstein.org/ckfinder/userfiles/files/2343770161.pdfIn PDF document text
- https://gyn-koe70.de/obrazky/file/nazavisegowivukerivudari.pdfIn PDF document text
- http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/79513482159.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/50ec43bca5c303990fc79ad1fe3b9944/3039114603.pdfIn PDF document text
- http://studio5r.com/userfiles/files/53651105990.pdfIn PDF document text
- http://rafaelokazakov.com/file/kamiguta.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4290203216---28926172212.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608286da05170---99676395493.pdfIn PDF document text
- https://sportsht.com/userfiles/file/1372766216.pdfIn PDF document text
- https://tese.in/ckfinder/userfiles/files/30136016294.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/39gfc19e4a5t31v9nfm8tornd6/jurirolosiwarinimi.pdfIn PDF document text
- http://contextuae.com/resimler/files/pozujexuvupobaxojaravive.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=commensalisme+definition+pdfPDF 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_off0000c572.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC572 | 10588 bytes |
SHA-256: a601440ff962e715c4f9823c6849a9a3180e9f4cc73283f61a94920c907bcc70 |
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font_01_sfnt_off0000dd98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD98 | 16516 bytes |
SHA-256: b6d3b0bd93c779c7b05e61a23fc14653d519437949b4096b30724fadb5adfe12 |
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font_02_sfnt_off00010830.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10830 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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