MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document exhibits social engineering tactics, specifically a 'ClickFix' attack, by instructing the user to execute commands via Win+R or a terminal. The embedded URLs and heuristics suggest it is designed to download and execute a second-stage payload, likely a trojan or phishing component. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 8
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://inwebjor.ru/uplcv?utm_term=launch+device+manager+from+cmd PDF link annotation
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/vbs2139h7jomfhmplig5bdq07m/mixesasupik.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/173130f4cfe13a7bca203aa8a3364b06/tutetilelutetage.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/08ff8dc90bbf203d68ca2c7f3c77b14e/40546181225.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/1e9641789db0dd85efb73b346bf72f05/kujijube.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/futilome.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/06/30/falipadi.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/ea220927cf27329f9103bc6f9cadc9b8/vemewimogitagamozuzidala.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5b8f7e45b---dulukoxamaxirapu.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160850949a48db---57189288533.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff5fcbccd4---88562982663.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609bf4f513e49---zexunav.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/vijijalenabezafir.pdfIn PDF document text
- http://fredericjean.net/oplusco/file/80086669943.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608490f750e91---sanevogomebakimoginosezag.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/631810341020b06a6634957d7f24ef35/45663438055.pdfIn PDF document text
- https://finances-canada.com/wp-content/plugins/super-forms/uploads/php/files/65e8eaa9c702cb19315b11caa5840475/83107355424.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/ec6f2064f12f98798534b24eecd4be32/14696747713.pdfIn PDF document text
- http://valeneighbors.com/userimages/23836846619.pdfIn PDF document text
- http://moodyhighclassof70reunion.com/clients/2/24/24f6aee67edc386a60746049a176a33b/File/73850151147.pdfIn PDF document text
- http://lafayetteconnections.com/clients/52818/File/50053271730.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/ntv72l4ggubrs4qad5poqm0fpq/febozopusewogelimevorat.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/d7iagfhio3dc2vhcjukenm77f2/kobawedi.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/6399126cd0a9eb1e884cd15c57d78b90/wejodiw.pdfIn PDF document text
- http://tebsc.com/clients/84181/File/pezizesaje.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/suIn macro / runtime command snippet
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f68c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68C | 10732 bytes |
SHA-256: 2910f182707ce54348756f75b319f58fff4568537a5d408409d352380ea28572 |
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font_01_sfnt_off00010ec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126DA | 17380 bytes |
SHA-256: 1c39f579b727e2c315160d475e25618410436ae3e8cc73a89be0162b1539f2ef |
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