MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, many of which point to compromised WordPress upload directories or are hosted on disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://alumcity.ru/userfiles/file/35116526109.pdf In PDF document text
- http://rainbowcaterers.in/userfiles/file/kifinufesimetoxaji.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16088251f6da56---47634261870.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609becad59009---degibipodijamemi.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/gatuwiful.pdfIn PDF document text
- http://efuegypt.org/userfiles/file/78471863382.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d2517bbd7e7---9770314985.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/bcdb738a86d52664dbca4ca339479301/voguwojuxinubebixi.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160983603baa03---16308545284.pdfIn PDF document text
- http://terminsk.by/pics/files/5445384164.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/6b35a5e6c812ae405458e3a4d47b0b03/76024853159.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f9ec2560c50fedfe78c1093c0b5d3d6f/vugogugopimizexelasod.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/xiruvidum.pdfIn PDF document text
- https://amblamy.ee/upload/file/kusijosowalukekuzafujob.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/78873917640.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4564f59eb7---36885702698.pdfIn PDF document text
- https://bataretak.com/img/files/file/kudivebapovoj.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/taran.pdfIn PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/aca9eba119d6529ca02ef6064aff066f/wefolexa.pdfIn PDF document text
- http://spoilersmensgolfclub.com/clients/865201/File/newewilufefaw.pdfIn PDF document text
- http://ikhmongol.mn/ckfinder/userfiles/files/47434155288.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/meteluwoxutoti.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/gq34hjndbs6gmbc5b3b7589731/galotapevatuma.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/d5c35114fe54d98727c2d46ef39efbf2/14604818451.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-6-10/20210610101353531231.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=job+satisfaction+among+teachers+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_off000107d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D0 | 11152 bytes |
SHA-256: 322a51744713fc9cb1f435b45547d1406432ba86b33bd9f7712a1096bc985f28 |
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font_01_sfnt_off0001214d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214D | 18248 bytes |
SHA-256: 273176c5eb3df316a0783ceb32f0f049e7b27d78d7b6fa95aeb8963aac050b14 |
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font_02_sfnt_off000150b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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