MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.001 Spearphishing Attachment
The PDF was flagged by ML and ClamAV as malicious, with heuristics indicating it's a link farm and a social engineering lure. Specifically, the 'SE_CLIPBOARD_COMMAND_LURE' and 'SE_CLICKFIX' firings suggest the document instructs the user to execute commands via copy-pasting into a terminal, a common tactic for downloading and running secondary payloads. The embedded URLs point to compromised WordPress sites, further supporting the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 8
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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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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 http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/q2so2tkk7pgg66nlc18ajo7qlk/73468805667.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/3329c4cea5f7d0c70eafc8b256d27aec/nuleturug.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/f299652c7b2b74c03b815ac290eac08d/jikivobi.pdf
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160901a5ea9178---najawifikisuted.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160b28e51d2a6f---2095609597.pdf
- https://landbondcorten.com/attachment/file/e8dd391616bf7ebfb342cc80964ca2cb.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9066600cb---47661197321.pdf
- http://adabaskimerkezi.com/upload/file/fupinanenivozolizosix.pdf
- http://hanhthien.net/uploads/file/74678274407.pdf
- http://szyldkj.com/luodan/images/userfiles/file/bemapevep.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/8bad1bb6d933a09a4d8a8cd4828a45c3/75116355784.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02ab85b8a1---durok.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1608064bad18cd---33210194219.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/v3r65fikabl18pg0al8fagb770/zepuditavaribujip.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082160dc0161---xogaruxerirekawabemo.pdf
- https://ngoctraithaibinhduong.com/uploads/news_file/bevigo.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/8cobfon73negirgnb2e65c3de0/1003944348.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e45e6dfd93---jujezigaxo.pdf
- https://kham.vn/userfiles/file/56144945932.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609424d626715---ruwofukunofofikamolexe.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/af7d1f72cfb9ea1c40ed2c7106b1c746/ruduvafonupofevoviz.pdf
- https://adasms.fr/userfiles/file/55974036861.pdf
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072679ae89cd---43451375286.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=activate+windows+10+using+command+prompt
- 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_off0000e7e6.bin78fe540f94b39fff802bb0433cad0dc13cc5f3bb14a98cbb48e9b8715f2b565f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E6 | 11216 bytes |
font_01_sfnt_off0001021b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021B | 16792 bytes |
font_02_sfnt_off00011a2d.binb3d06b92a1aec43b60d10c72a8929638e9a7db6477bf30a017d8ee6ec9f6c041 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2D | 18016 bytes |
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