MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing and trojan delivery mechanism. It contains a link farm pointing to compromised CMS upload storage and instructs the user to copy/paste content into a shell, a common lure for executing downloaded payloads. The document also presents a visual download button and a browser extension installation lure, indicating a multi-stage attack designed to trick the user into executing malicious code.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 9
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/5mvqmga0mftmm7uag5bem2mlc5/83015561410.pdf In PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106263732e30---24107697954.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/2454b2b8562639c9a43a5f2035708bb0/93368626444.pdfIn PDF document text
- https://network-italia.com/file/ravil.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/fj2ljvj99evvuu76f5katuvj9f/13467399746.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/0d1o0bil05mpv251dhns1mvkl2/75577263449.pdfIn PDF document text
- http://bsinteriordesigner.com/userfiles/files/16656241330.pdfIn PDF document text
- http://omak1968.com/clients/71178/File/lararesesu.pdfIn PDF document text
- http://doverhighschoolhalloffame.com/clients/2/2d/2d76883e1086210ef8e2c43836b0327f/File/jegamudis.pdfIn PDF document text
- https://pendekaremas.com/contents//files/fidarim.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/121243531047.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/81054739618.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160882ce90675d---95060328562.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160af60b0b6d65---ligaxijanu.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/soxuvozo.pdfIn PDF document text
- http://helloshoppingnepal.com/userfiles/file/galib.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/10693759c1e002f6894a4741f04af8ff/sodonitapiko.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0b05a92a7---833897485.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f883c4409a---tukibudiratigowososuvepo.pdfIn PDF document text
- http://seyrimerdin.com/userfiles/file/degidotimup.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad41571f72---72124040564.pdfIn PDF document text
- http://kubkao-kubpla.com/userfiles/files/52998719437.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+get+unlimited+golden+eggs+in+shell+shockersPDF link annotation
- 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_off00010c78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001248a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1248A | 18888 bytes |
SHA-256: c047ebebe61971eb05d2364fd5b75b4fbee6e5d06b841e10708d42d00357556b |
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font_02_sfnt_off000156c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156C2 | 10924 bytes |
SHA-256: 7efc5c47129581ce78ed2b29000a23c3592d94ced2fe32307c1aeab163235519 |
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