MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised CMS upload directories, indicating a tactic to host malicious files or redirect users to phishing sites. The presence of multiple distinct hosts and a link farm pattern suggests an effort to distribute malicious content or evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741f8dbcad3---gixumetudem.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/73be712409eabaf2d416c054bbae30a9/xebesoxedulebiru.pdf
- http://capmar.eu/userfiles/file/16549530990.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081d8569fc54---kikukelixiturijaravega.pdf
- http://twothirdsmajority.us/clients/38522/File/76910233445.pdf
- http://xn--vb0b83rba554gca.kr/page_data/file/20210516212718.pdf
- http://burrburroughsfamily.com/clients/55468/File/17590284388.pdf
- http://tubietelbar.hu/uploadfile/16902773728.pdf
- http://saharun.org/uploads/ckfinder/userfiles/files/36078873533.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16096bca3e31df---51703802799.pdf
- http://vladjurnalist.ru/archive/file/zusedune.pdf
- https://sahyadrisevasanstha.in/userfiles/file/17864658487.pdf
- http://mega.kz/media/upload/files/fexakomekibavezifa.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/15e0e846bdeaa70211ec93d90e734950/14306895732.pdf
- http://tpdw.pl/userfiles/file/walatemav.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/e34821e3901f91d875216741fc88fc4b/3251950623.pdf
- http://hawks79.com/clients/85064/File/zaxupezin.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/mb6teisl1ubcq2mvo9u9imq6t3/68274394134.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/bef267300aaccad8396f5e6dae30c05b/likek.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab51a9ecd65---20780583197.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16078ed405a105---tiboluzamasekotidisuraje.pdf
- https://sfeerweter.nl/userfiles/files/tovatasuregidugad.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a84b6baea4---85204415958.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=mod+for+episode+choose+your+story
- 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_off0000fb9d.bin1ce4d9229a90b9f512d409d985307e92c46fca8d006b6c39da65c53de899dd8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB9D | 18196 bytes |
font_01_sfnt_off00012ba1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BA1 | 16792 bytes |
font_02_sfnt_off000143b8.binc9a4632052b95b02a46d7ad29786690ff4bc13165d59497b0e0f55dd20e79d53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143B8 | 10612 bytes |
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