MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by a machine learning classifier and ClamAV as malicious. It contains a 'clipboard command execution lure', instructing the user to copy and paste content into a command-line interface, which is a common technique for executing malicious payloads. The document also hosts numerous links on compromised or disposable domains, suggesting it is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://www.superior-inkjet.com/login/ckfinder/userfiles/files/sujawesosuna.pdf
- https://serrechevalier-skifun.com/imagesfile/torejozoxiribabo.pdf
- http://beiwendq.com/userfiles/file/zoxujobaxevoxasuvigu.pdf
- http://www.derbysignandgraphics.com/uploads/file/vugesurunibuwonitidit.pdf
- https://rallstarawards.us/nbloom/fckuploads/file/bigipud.pdf
- http://sage-chem.com/image/files/20210907_113716.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7d481e101---43109226077.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/fd5cd0e06b657952ce02579dd7ef2e1b/takorigopodedulopod.pdf
- https://hantverkarenisandby.se/UserFiles/files/sokosepure.pdf
- https://citronel.com/userfiles/files/jogoxavero.pdf
- https://leuphuotcamap.com/uploads/image/files/81370140687.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/ea3ef9810c00802d574658bc5af43bc0/75808343217.pdf
- https://www.hmgfinance.com/ckfinder/userfiles/files/xuvusaramulirawegasufo.pdf
- https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/75999524103.pdf
- http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/245951532.pdf
- http://artepcb.com/upload/files/wuzowom.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/b47538e8a9576183a4a8b73aef1ee03d/japopojupu.pdf
- http://hzqljsj.com/images/upload/File/vudozazogafurixa.pdf
- http://snft.ro/media/file/lofededuvetojifisizixa.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161408f67439e8---94520330991.pdf
- http://rc-saty.cz/gais/image/file/41765777399.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=me+before+you+yify+download
- 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_off0000e375.bin6e5b118cb250801b83e1088518cbce4c81c9b9f70d53483d2adc2ee381789ac1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE375 | 18884 bytes |
font_01_sfnt_off0001149c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1149C | 16792 bytes |
font_02_sfnt_off00012cb3.bin5323d973ade15c26ecea2b55cec09e8376ea4a63f9c2074bc11503102a40354c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CB3 | 10516 bytes |
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