MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of a security bypass instruction to disable antivirus further supports its malicious nature, likely aiming to facilitate a second-stage payload download or exploit.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://crewmak.ru/uplcv?utm_term=need+for+speed+payback+deluxe+edition+torrent
- https://360mart.net/uploads/files/xurovegodiruwapa.pdf
- https://alnahamgroup.com/userfiles/file/4163671239.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/51aea923f000c7b4f0260dc84dfbc5a3/67955216073.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/dbc83c1815071938a774d4b7fe99e1d4/30631619709.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/f75f5e0d0b2d4819845b5a1528ff8735/11195516470.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a714ec3fb8d---2535681726.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/4a55b52735ccdff36759eea77cbf0f45/ludokopumeboxixa.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/22c0f6014c3caa14c5d7e21bf67d8d6e/piraluzenudata.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/c2aaabdffe9d7a4e8e027e63a64f9e80/vimomiverojigajuk.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/e96bcf0b591fb9eeb9e77e598e5c0d2a/fezabikunukosimitajo.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1477cb186c---tafexa.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/8a3eb81efe11d461582c34f0c03391cc/redigojes.pdf
- https://cherrychile.cl/cherry/uploads/contenido/files/9125734236.pdf
- http://paillasse.hu/userfiles/file/sedaxodowevoxi.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/tq3ife2t3dv8npcr04o5tnr9c4/fefowaronozedus.pdf
- https://mfdesign.hu/files/file/44005754978.pdf
- http://idaskitchen.org/clients/d/d8/d86ca706a5600d452cde81e4a21b2d68/File/gokam.pdf
- https://calendarsunrooms.com/userfiles/files/40337633183.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088baed1fb23---46989927132.pdf
- http://banghetretunhien.com/media/ftp/file/negulaxa.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b16221221e---zuriludibopiwat.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/5596213ea0643622e1cef13437c44ae8/2685207510.pdf
- http://alemotta.com/resources/original/file/70668426726.pdf
- http://royalgroup.at/tmp/mizuditu.pdf
- 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_off0000efb7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB7 | 16792 bytes |
font_01_sfnt_off000107ce.bin44d891c13057d008db246da850db3813e030fd0c6d5544ccb65beee22e505279 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CE | 11136 bytes |
font_02_sfnt_off000121bf.bin5fa356e0cc534feffa94f95955aa9735cafa0f3d5286b83c35a9751219a7f060 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121BF | 19052 bytes |
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