MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059 Command and Scripting Interpreter
T1566.001 Spearphishing Attachment
The file is a PDF that contains numerous links to external websites, many of which appear to be part of a link farm. A critical heuristic indicates a 'Clipboard command execution lure,' suggesting the document instructs users to copy and paste content into a shell. This, combined with the ML classifier and ClamAV detection, strongly points to a phishing or malware delivery attempt. The numerous external URLs are likely part of the infrastructure to host or redirect to malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://philabc.ru/uplcv?utm_term=free+fortnite+codes+discord
- http://massvt.sk/editor_uploads/system/files/fexosepo.pdf
- https://www.ccs-corporation.com/ckfinder/userfiles/files/69960872666.pdf
- http://nagyberki.hu/sites/default/files/fck_uploads/file/xidejabu.pdf
- https://xn--z4qq44i.tw/upload/actfiles/78848564471.pdf
- http://studiomarazzi.eu/userfiles/files/zutuxovopag.pdf
- http://kleinschaden.expert/userfiles/file/60476661351.pdf
- http://xn--2osv9pt2jfpt.com/uploadfiles/files/32713463817.pdf
- http://oresteruggiero.com/userfiles/files/87982403303.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/4704264adc79dd7f9a6161d77c9f9a73/dofamuzeponaxe.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/a9a0b22e2aaf8574fc05f0abf3fdf9ce/disosazowofidisexisav.pdf
- http://laserinnsbruck.com/static/popajewadexesobo.pdf
- https://friendsofmultisport.com/ckfinder/userfiles/files/zisaguminam.pdf
- https://alwillislifecenter.org/ckfinder/userfiles/files/dalubasurusepomezom.pdf
- https://kalimati.in/userfiles/file/26987461370.pdf
- https://fundreamz.com/ckfinder/userfiles/files/nadedivasalur.pdf
- http://eggtesting.com/admin/uploads/file/wasesivobigun.pdf
- https://www.sacict.or.th/ckfinder/userfiles/files/74873461458.pdf
- http://yogo110.com/userfiles/file/48332578590.pdf
- https://vozilasavozacem.rs/files/87005942664.pdf
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/tasegawilede.pdf
- https://slide-bearing.com/d/files/64509135871.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b64aa1179---15224603780.pdf
- http://crabandclaw.com/uploads/files/koromitapapapomoro.pdf
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/85309956676.pdf
- http://lamorenj.com/userfiles/files/10587064406.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_off0000e50c.bin307801024de1cf5d36eba04a17a5b9131b5a4cd0bb827f2f559ce9366fea1b2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50C | 10236 bytes |
font_01_sfnt_off0000fc21.bincfe54e6cc00f9a85ce3bb06fa9b0e9bcc3047e3a5ad5c5d5b79df6a4d2e0e5e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC21 | 18484 bytes |
font_02_sfnt_off00012c4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C4E | 16792 bytes |
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