MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of links, many pointing to compromised WordPress upload directories, suggesting it's designed to redirect users to malicious content. The presence of external URIs and link farms indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://smidgel.ru/uplcv?utm_term=best+american+sitcoms
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608222cc91b26---95081763471.pdf
- https://argentinaproduct.com/ckfinder/userfiles/files/31265711540.pdf
- http://ubest.ru/images/file/12334862476.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d35f6ee02---kuneru.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f387d82d6b---45288213520.pdf
- http://hanboo.cn/Uploads/file/2021051222325270554.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/5dd2cec0a6cfc3fe06cf87931e304401/6078742660.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/f69eb5367653c2fbe2d3f421fa285edc/51026843220.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4c3389d99---86534866788.pdf
- https://businesslife.com/content/file/36930914961.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097969ccfd55---46124328951.pdf
- http://fsoa.cn/userfiles/file/gevuko.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/5353bde8f8b6156ef63c14d3fc03548e/leriviliboveb.pdf
- http://portaldo.eu/contenuti/upload/file/wubitedizeboxuwukomutuk.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/5ecf7c8fd1d55d6d6c5b29e08769a3f9/gatijinalaropelapupilolo.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e8956f265---kalotefejiminamusonova.pdf
- http://klefmarken.se/upload/file/92917065883.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/33588b4c438e46d7f21f28f6d349300d/43232767606.pdf
- http://tcihk.com/userfiles/7309205319.pdf
- http://soft-pro.hr/upload/datoteke/96466988339.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782e72f0b6d---78770173204.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/07eace5b924a92210257cf77fb2a1026/4253003159.pdf
- http://panziofabian.hu/fck_kepek/bewerulilavekid.pdf
- http://csc0535.com/userfiles/file/20210621150904_srs1go.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609eaecc2b68e---64954066887.pdf
- http://geriatriccarenewjersey.com/userfiles/files/rexiwitomonopovurekurad.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_off0000f9da.bin1b77c35fbb082ad35f6eceb1e9955164dae11c9db587cbca100006c9834a5638 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DA | 10396 bytes |
font_01_sfnt_off00011163.binc395f070689a66a721ab341e927eafb428e88f786d487b0e4d589f9e50220592 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11163 | 17828 bytes |
font_02_sfnt_off0001400a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1400A | 16792 bytes |
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