MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by ML classifiers and ClamAV as malicious. The 'ClickFix' heuristic indicates a social engineering attack that instructs the user to press Win+R or paste a command into a terminal, likely to download and execute a secondary payload. The document also contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to host malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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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://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139717483d5e---61609699551.pdf
- http://edituj.cz/res/file/88519267823.pdf
- http://vstarmp.cn/upload/files/20210901_065823.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/g362pr9fqd8cjiktpj8ocasd0k/dapelaleneduboxidawirun.pdf
- http://zlhk.ru/upload_picture/file/77498189618.pdf
- https://e-fasteners.eu/media/file/65545019479.pdf
- http://onishi-kyosendo.jp/archive/xumaxujoludejudutasunuxak.pdf
- https://orcasproje.com/userfiles/file/88213149047.pdf
- http://happyhanool.com/ckupload/files/xawozapezimovebamumali.pdf
- https://www.seblocation.com/ckfinder/userfiles/files/66570080319.pdf
- https://mobilpetrol.olajpark.hu/files/files/manuvitufod.pdf
- http://klimagra.pl/images/wysiwyg_img/file/41498866067.pdf
- https://nocenzura.space/web/img/podborky/files/pimulaju.pdf
- https://sanruouvang.net/images/uploaded/file/80820423940.pdf
- https://fontan-montag.ru/img/upload/zazaboxokixizog.pdf
- https://durgabas.coop.np/ckfinder/userfiles/files/luwika.pdf
- http://gorod-r.com/userfiles/file/kaxumom.pdf
- http://recko.ru/ckfinder/userfiles/files/6159380612.pdf
- http://soleilboo.com/images/uploads/files/wurusebonetuk.pdf
- http://studiocommercialedelpiano.it/userfiles/files/fewudusitoga.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/9o8f3jaouhpho9vf0t8hths7ip/6957763080.pdf
- http://baovekhucongnghiep.com/upload/files/worosivifiniguvobo.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135eeca4eadf---31278964852.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+cancel+safe+mode+on+android
- 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_off0000d2ae.binea0c238f882a6c6bebed96dead42772083f77c386d7cf5fa7c595e10f1e65250 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AE | 17512 bytes |
font_01_sfnt_off0000ffe1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE1 | 16792 bytes |
font_02_sfnt_off000117f8.bin5376d70542f635ea02f9f07cb64f518d35a5770e0efa6d75b5ccf88150f1332c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117F8 | 10712 bytes |
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