MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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=what+happens+when+someone%27s+water+breaks PDF link annotation
- https://grdr.org/paidel/ckfinder/userfiles/files/fegujerosuz.pdfIn PDF document text
- https://vleek.com/uploads/files/gimibajedebaxip.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/94e76a71f517fdf4d5a9f7a778956fbc/dideponizali.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/68246336c3a3aadd68a92c06de37e8f1/virerizatikuzipixurep.pdfIn PDF document text
- http://rheumatology.institute/upload/content/file/pomoxusesete.pdfIn PDF document text
- http://nessium.fr/userfiles/file/gonofutaripebarik.pdfIn PDF document text
- https://www.xyoaa.org/sites/default/files/files/81364735514.pdfIn PDF document text
- http://wisdomtours.net/upload/file/13890593744.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/zapamobekimajafododusute.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/120187610260968ac14293e.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ae56e8cfa---fepaladelonurovijor.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0cf26c9bd7---19575854361.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/05bnpcq6ockr50qi8mndn6clq0/bugufejezoloponawetojive.pdfIn PDF document text
- http://211.129.1.225/system/ckfinder/userfiles/files/98069170951.pdfPDF link annotation
- http://praconsulgroup.ru/pict/file/gunigubufexu.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/37cec26c1e2d36580008f682a6d19f81/kikopeduzawerejur.pdfIn PDF document text
- https://cafe-malaysia.com/contents/file/lonogiwowazamudi.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/15539581641.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/rovudimat.pdfIn PDF document text
- http://msinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/gezonomezusi.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c965fd84086de4530f0231c7d64480a/25629768292.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16082168ff0355---55051076416.pdfIn PDF document text
- https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/3941523682a14a288b43038bc318bf11/zaberegewesidagugud.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/2108291457262577399gng94.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/wumofejuwa.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/21969222032.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_off0000decc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f6e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E3 | 10724 bytes |
SHA-256: 03fd7b3ca416d0f22df62d5c6ab6d1a54d79b92416f2509f71c485dc0938c299 |
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font_02_sfnt_off00010f37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F37 | 17008 bytes |
SHA-256: 941f56e10b00e5a74a9d920be022bfdba24f9752444afc5f916a05cce4b280a9 |
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