MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document likely instructs the user to copy and paste commands into a shell, a common technique for executing downloaded payloads. The numerous embedded URLs, many pointing to compromised CMS uploads, suggest a distribution mechanism for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://learningkey.org/userfiles/85535688355.pdf
- https://majorsagilekvaros.hu/uploads/file/fuzemedanububuvubuxom.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf10496f144---95363679831.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e7cfab467---76210231099.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160a10fb75b41c---44528980424.pdf
- http://humanitool.ru/userfiles/file/54652144264.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f59d42c66---80098484480.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/07c0ad54431558fdfc0f4e47764569c6/42759649242.pdf
- http://usa-ex.com/89657861618.pdf
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/u54drrm94oo34kcujhu3j87eas/lekawo.pdf
- http://bmcnx.com/userfiles/file/guvezusirobezisetolu.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160977737b31ce---18254839066.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f73b89eba7---34559339632.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/540eb18fe6d1ef1db96e683954214860/17624891741.pdf
- http://camera68gialai.com/uplaod/quangtri/files/dubogetefo.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8f8de6cf9---dozovadodobexemusofaxiz.pdf
- https://armagedonspedycja.pl/files/file/fizexekakomibabipevofan.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed8dae50d3---kitopivit.pdf
- http://superplasticizer.cn/d/files/zadatevonewel.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c159854833f---25263717719.pdf
- https://dehayemek.net/upload/ckfinder/files/sopigivotoj.pdf
- http://mdbim.pl/ubezpiecz/obrazy/file/84622924649.pdf
- http://lab4050.com/upload/editor/file/20756162834.pdf
- http://zuche0551.com/upload/file/vuvimawufizosopizitoveb.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=merge+jpg+and+pdf+into+one+file
- 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_off0000e0cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0CF | 16792 bytes |
font_01_sfnt_off0000f8e6.binf322f2b992732878cb747a507efbe21d3122082cd4999639948fc6e4f03b1ecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E6 | 10628 bytes |
font_02_sfnt_off00011107.bin5a62094d91e3722d0e229b6704dbc39b2c8b8f5e5f1f0e8f996223cb5a179c24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11107 | 16388 bytes |
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