MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links pointing to compromised websites, indicating it functions as a link farm. These links likely lead to phishing pages or further malware downloads. The ClamAV detection and ML classifier strongly suggest malicious intent, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mannerfeltdesignteam.se/ckfinder/userfiles/files/92668575099.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a926645bdf4---tugeravipo.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4fcf4325a---68402308949.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160c9750bce749---lasobetupimitejefizin.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875b8f083d6---fazuwonejitinam.pdf
- http://kythuatviet.vn/uploads/userfiles/file/43411220814.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/ta88j0cioh5qtph56t1hv2hskm/lazopazo.pdf
- http://southwest66reunion.com/clients/f/f6/f6f8b7bd17d60304c359e527a2c43449/File/54516293107.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b604e917a9f---50019764436.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9877f5b207---gefazosexowifivo.pdf
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/8356711826.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d8f68549b---57754124451.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16088baec4bfd4---29806277956.pdf
- http://vienkiemis.lt/app/webroot/uploads/userfiles/files/61398527995.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/icksk7g6q472uv7hbh18ohfgev/zedaromanofonugekavufoz.pdf
- http://www.annaleehuber.com/content_files/file/fotemuzuguzagalimev.pdf
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160988b8bb2f69---radazepolijosubitoru.pdf
- http://intergeored.com/upload/File/junidibipadune.pdf
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/63085856323.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a484bc212d8---22677669735.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943cf1b053b---20547170291.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/v6etosppo349cgivm1odmp1if6/jukowob.pdf
- http://hongdanhaudio.com/luutru/files/fugitizarovumeweviwato.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=used+trans+am+for+sale
- 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_off0000ed21.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED21 | 16792 bytes |
font_01_sfnt_off00010538.bin8cfdd3a1115cd34a7ccd6502885c1c8e2303c1a4045262df0cf669a1ab29e03e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10538 | 10432 bytes |
font_02_sfnt_off00011cdc.bin68c8644c5e0f9aad6ea4571b877a9147e5ce150c9f4dc89a3e21a23fd879e827 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDC | 17064 bytes |
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