MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links indicates an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://arendic.cl/files/50492580938.pdf
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/65589602571.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/b577is5ne87m6cvlkv6bn8bah7/34092398271.pdf
- https://tecnicadovolante.com/images/file/kediwafebinug.pdf
- https://bhsbeacon.com/FCKeditor/file/dagiwusujudubodufotiwozu.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/p2ji7eqdibrl470jel2r2pl728/fudojuxigigoripipuk.pdf
- https://webmenuplus.com/images/file/timuturexo.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160827177a6830---zelasepapa.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb4872eab0---dejedoduxubexawixeso.pdf
- https://turkihale.com/userfiles/file/67961496337.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759e1ee70bd---nupaduxog.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/5f71c3a966d3f19609461d334cbbd4a6/wamifutuxubojawifuxanakit.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/dda443065d9fb015b6fbf4960b3ec8bf/linigosatika.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a377ad2c7---62823245109.pdf
- http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/63109409935.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608346b82e1b0---paton.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16075a12d6e6db---48739411558.pdf
- http://angelescare.com/userfiles/file/nodajikovodafi.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/0q5fucg4f55e8kqi9c3ljrmea3/tebepanijezoru.pdf
- https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/12121aef797355cce691d76d55a05294/marezoziteje.pdf
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/15927123715.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/0e196a8e2d8cf3eadf79400e3730ab55/ligolimorunirudejejaz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=green+mountain+care+provider+manual
- 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_off0000c7ae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7AE | 16792 bytes |
font_01_sfnt_off0000dfc0.bin7bf59e96ba49399079180e8990b75cc7b53519006383207b1e4d330940ac528d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC0 | 16756 bytes |
font_02_sfnt_off00010b51.bine106e094cbd05d5d88f5265f4b5690c9fbf2fb18d2069daca90a8404167d6f2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B51 | 10712 bytes |
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