MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://synerhu.ru/uplcv?utm_term=hockey+nutrition+plan+pdf PDF link annotation
- https://groupunsur1.com/contents//files/53793320508.pdfIn PDF document text
- http://josquin-capella.de/download/jamesaka.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/42ba710dbc4aa420e301886f8d722242/42917148442.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/dexajiluwu.pdfIn PDF document text
- https://mimpishio1bet.com/contents//files/tuwezi.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c27ce785ed---vaxelikiriponujog.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/81777457413.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/83309717909.pdfIn PDF document text
- http://geometracosentino.com/userfiles/files/lodudotizifolotovamipubu.pdfIn PDF document text
- http://geoman.cz/data/file/wanukeba.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/29iesajemgq9chjd0d906j3e9a/jizakebik.pdfIn PDF document text
- http://exdebt.bg/userfiles/file/92094930360.pdfIn PDF document text
- http://ptairsupply.com/userfiles/file/7159005102.pdfIn PDF document text
- http://newmob.it/userfiles/files/9541588408.pdfIn PDF document text
- https://agmatbaa.com/upload/files/dufimisawagibuwizojavo.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161033ab6953df---4685361379.pdfIn PDF document text
- http://solis.altrodesign.eu/ckfinder/userfiles/files/nelogesapegejazijavilej.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/26167425977.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a335db8ed3---38688182343.pdfIn PDF document text
- http://austria-ex.com/images/blog//file/tisefekoxe.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/roxulukodegexiraxagawowo.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341c5a8cf04---53099231075.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16077acde9eab8---27075004156.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8c10f38d3---fexuxosatujitel.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_off0000c1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d9dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9DC | 16612 bytes |
SHA-256: d57579e46f00ac422d4297cfd4f2b150f1b5f84098eab6a4cf3da0860826ddab |
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font_02_sfnt_off000104d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D3 | 10744 bytes |
SHA-256: 19874c1273446dd8b98d44dba731bce5b0e22b29afedf676e75652f99625e21a |
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