MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. These links are likely intended to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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=can+u+replace+a+kindle+battery
- https://bestcoloringpages.com/userfiles/file/fajiduvimukelizite.pdf
- https://nepalonetours.com/userfiles/files/59671396872.pdf
- http://gibisch.com/files/files/6251548472.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e7c63605bb---bipapanujatafabel.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d643799e4dc---93889427569.pdf
- http://darstin.com/userfiles/files/jidapeduviliwigijamesu.pdf
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/969dhknk7n4b8u8g9edd7k9ccu/rojilidadolovidujowe.pdf
- https://burlingame.com/wysiwygfiles/file/43644831710.pdf
- https://ludifrance.fr/userfiles/file/numudokowivikiwaso.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097ddf076389---60082782118.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/kgpicl3jokcn4okp8mnjvm7b43/fojesugusipiruketapijod.pdf
- http://sns.hu/_user/file/wibizezapep.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32d2f7b4ee---51177253133.pdf
- http://beautybybelief.com/admin/images/file/fomumufel.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7b75e3c59---gaxelak.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/836c125715d77e9effc9249c34bc033a/36341970240.pdf
- http://studiocastigli.eu/userfiles/files/woxerusafetepajarig.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd4bd2f60c---riwevix.pdf
- http://uptownchantilly.com/uploads/files/xiwogekivekadotobaxivoj.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f053e96388---27628748895.pdf
- http://tysons-cafe.com/uploads/files/95865503094.pdf
- http://ankaser.com/userfiles/file/puxifademinorax.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070dcd54dea9---60870967370.pdf
- http://aaaexpressac.com/userfiles/file/dikodinajomexilajuzofij.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de70.bin7a182d8c537ad9ecf767cd3a56c60bcf37b7e7530b771c7e42eb6b55f0653a5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE70 | 17040 bytes |
font_01_sfnt_off00010acc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACC | 16792 bytes |
font_02_sfnt_off000122e3.bin7aa749f1d7ce9571b91f99656023958d653418e98806b1cd2f77798eb5d55a92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E3 | 10696 bytes |
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