MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are indicative of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://oniceh.ru/uplcv?utm_term=basketball+stars+unblocked+games+66 PDF link annotation
- http://massarentearchitettura.com/userfiles/files/nifafujapepazexo.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941471392f0---musajenibekebibokak.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/r1oopas2tvmlvej2d27e4n3f33/xirora.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160907e45114e3---pabapurixe.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ffdea3373---muvijo.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090615d28579---19386389053.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/80858972e6caa33d074535cce23a34bf/91927369872.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/d62241fd01e8fc9a80729e334f7aa97e/39349353320.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0a373641e---vegitiperogibisiwexili.pdfIn PDF document text
- https://mfdesign.hu/files/file/47511196981.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae189b3db0---37587269092.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/7aeda66be659e4d09a891922be8712d4/15089877863.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c85d3d66087---sukijufasemesabisetenavim.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/53939791372.pdfIn PDF document text
- http://ekotronic.eu/files/file/lemosufedobavupavupuduz.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160740a9a6dcd2---lajawivoraromo.pdfIn PDF document text
- http://at2apigroup3.com/contents//files/popofu.pdfIn PDF document text
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/ac2e3db67bb9ed2beba6e5b3fba6b8e3/92997016574.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/91aa0c244083702282ca30e9baa2077e/womibepezuxuse.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aaeacf8d7c9---97694236780.pdfIn PDF document text
- http://julianowka.pl/ckfinder/userfiles/files/fenipulidota.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160907e696575c---kegexojugodoboparofux.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7c0869dba---74153194461.pdfIn PDF document text
- http://reicar.dk/userfiles/file/rolapisuxuborefenazopa.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210531_D93A3F5539B613B0.pdfIn PDF document text
- 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_off0001033f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1033F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B51 | 17568 bytes |
SHA-256: b1b0a9ac6c959d876c09df7d4f5736f011a0f3b52e79d5454ff2bd174c626294 |
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font_02_sfnt_off00014952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14952 | 11172 bytes |
SHA-256: de30298d916498f5a3fb10df49cd819e7a37f33f1669522c78213f45b8f199bb |
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