MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to external sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://zonwering-belgie.com/ckfinder/userfiles/files/lopuxib.pdf
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fb2197bd9---3063666642.pdf
- https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607906374feb3---46253307324.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/9adac9b342ba52be293480c304d0ffd4/laxowusuxirunamezefili.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/os071654bdm3ifbeid9q68aosa/wusovutaligodavimewixuw.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/2r85645d300ni2krok7au7s8o5/kidajarukuxibu.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcffa955e0---nemimisa.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca67bd1d28---pazeguve.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a59c9e700b---torabofomemezudef.pdf
- http://mbcasc.net/imgs/file/3267483523.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb7ddda33a---vitexefosuxedojomaxufu.pdf
- http://edumedcare.pl/upload/files/dagavekavopaputifipub.pdf
- https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/gft758v19b3ltsprahk5ad3gqf/zajora.pdf
- https://aprilboya.com/userfiles/file/75275195848.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0abf98beaa---vubenixiworonoleledo.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f44dd7897a---koxugose.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/0452caa13c2390408de065cac3504218/sepovipafijetimufubid.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=hourly+gainers+nse
- 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_off0002641d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2641D | 16792 bytes |
font_01_sfnt_off00027c2f.bin07faa30cfb236f0524ca67b97381d7f2d3e266944e8c0265a10e2dd68bbed48d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x27C2F | 17028 bytes |
font_02_sfnt_off0002a8e1.bin57d15a6f61880886a045a4835d15a9315f272adbbba8a5c63de9f53a5c0a7eb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2A8E1 | 10392 bytes |
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