MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment
The sample is a PDF document that exhibits characteristics of a phishing lure, as indicated by the 'SE_CLIPBOARD_COMMAND_LURE' heuristic. It directs the user to interact with the clipboard in a way that suggests executing commands, likely to download and run a secondary payload. Multiple URLs pointing to external resources and compromised CMS uploads were extracted, suggesting a distribution network.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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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://inwebjor.ru/uplcv?utm_term=how+to+list+command+in+cmd PDF link annotation
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/ditutegodologawukir.pdfIn PDF document text
- https://akapacha.com/userfiles/file/56168493665.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f2ab96507---zuvuketa.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/93e1b6e090686eeeae5c9c435b4f4910/54943441385.pdfIn PDF document text
- http://palenice.net/obrazky_clanky/file/78749219977.pdfIn PDF document text
- https://computerzone.pk/file/42200162687.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a38181dd463---gugafesonun.pdfIn PDF document text
- https://ottopianos.nl/files/jigexuzubibuliramerozejoz.pdfIn PDF document text
- http://kamennykoberec.eu/editor_uploads/system/files/bugitonamagexujifiwemezis.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/famabovobigilim.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/p4jedvgi9n33ht8u4r7qf1gcd1/jedarewobenenimigopaba.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/xawobobamamusinapa.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609511553a391---19808686911.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/e966e8a349b3dffad42366d37d2ac592/96204210472.pdfIn PDF document text
- https://www.koreayokogawa.com/ckfinder/userfiles/files/vonokokutoxiwipoginajol.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e90eec18a98---mubix.pdfIn PDF document text
- https://inncredel.com/uploads/37910312806.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/75603d4abdc5a24dfbf644394f8f8dcd/91258747953.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/78ccc22cc0e4707a680ff63d1852227a/51149460521.pdfIn PDF document text
- http://textstricker.de/benutzerdateien/89311604318.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/kncftotaumhb80ntpkrbt0bhdg/73048767331.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/fsiqnvdpvpd9tu29ireljeibtt/maporulukewotowuzobasej.pdfIn PDF document text
- http://huyndaicaudien.com/upload/files/87107353382.pdfIn PDF document text
- http://auburn-properties.com/userfiles/files/29995154861.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/mujanaxedabifubimuvixona.pdfIn PDF document text
- 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_off00014086.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14086 | 18104 bytes |
SHA-256: 8cc6e0282719710e0155f456627165052a1c2ffd66296fd38077d3dd703ade6b |
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font_01_sfnt_off000170b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170B8 | 10376 bytes |
SHA-256: 00b1431f5602f932874b5e307da0dcb64cc84de13a850f0f6d4878667609495e |
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font_02_sfnt_off0001882d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1882D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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