MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The document body is unreadable, but the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://rivebistro.net/ckfinder/userfiles/files/bazelijorexarinuzol.pdf In PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f89408a062---megesinixukam.pdfIn PDF document text
- https://ciiinnovationsummit.com/ci/userfiles/files/xabejos.pdfIn PDF document text
- http://5thaveseniors.org/userfiles/file/14675521222.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/ritusunejujado.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/48424768500.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410a7382183---90715474862.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/2sr43lmiv7q3eah8g8has14un3/26156408467.pdfIn PDF document text
- http://vtvxm.vn/userfiles/file/kurovepadamarosipite.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/q9rqrpt3pqnibhha7d989bva2j/91623345337.pdfIn PDF document text
- https://congchung7.com/upload/file/nimopafofe.pdfIn PDF document text
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/gaboxojiwijovodoponu.pdfIn PDF document text
- https://peusch.lu/userfiles/files/kapesizoketoxelupu.pdfIn PDF document text
- https://dongcohonda.com/userfiles/file/99842484218.pdfIn PDF document text
- http://tjjjsh.com/uploads/files/zezuxusowusolefa.pdfIn PDF document text
- http://vhktn.at/images/content/files/robaganapomad.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/jujugid.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135316222763---36862808899.pdfIn PDF document text
- https://posetili.ru/userfiles/file/89645334222.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/9504329039.pdfIn PDF document text
- http://dtmaso.com/public_html/Imagens/file/jojazireloguzimopekoso.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=logan+paul+floyd+mayweather+free+streamPDF 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_off0000f677.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF677 | 18896 bytes |
SHA-256: c8d179282570296b6b3caacad44e60157ed06cdbf939f8704cd9d5dfdb5322f8 |
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font_01_sfnt_off000127dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127DD | 11112 bytes |
SHA-256: b205dbb73c544a8b857ee9a98ae7d645bf7dab6411e0ab647d6e80f832240653 |
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font_02_sfnt_off00014180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14180 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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