MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was detected as malicious by ML classifiers and ClamAV, indicating it likely exploits a vulnerability to execute code. The file contains numerous URLs pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a downloader or redirects to malicious content. The presence of multiple external URIs and link farms indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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://irlanc.ru/uplcv?utm_term=love+is+for+the+only+one+i+see
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e86d7e4e0f---69284458854.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606d94734d989---vewinikifa.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d818a9edae3---2308171690.pdf
- http://dongphuctqueen.com/upload/files/totoz.pdf
- http://wadirumshootingstars.com/userfiles/file///warobuxibofoz.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/fae419afa2db74aff0ea4aaa9dd05bda/xibukutevademitegalawimiv.pdf
- http://kolaykanal.com/userfiles/files/moganibasedurokasusi.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/55ce4f5bd8af9f8d1263b508ab17f3d0/lajanifu.pdf
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lajavanosirebabukelaj.pdf
- http://atreve.eu/ubezpiecz/obrazy/file/sosus.pdf
- https://seitonsolutions.com/ci/files/bevegi.pdf
- http://hum-lucknow.org/test/fckeditor/file/1814248804.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/8d68e1060e94888ce78fc8de1cde62c9/3174479103.pdf
- http://fantalife.nl/userfiles/file/sekupovulonalisesigag.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16074ae1f72aed---movopemaju.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/20ea01532036bc624fcdcc7ca324c7f4/rowuximinu.pdf
- http://www.aadhar-interior.com/userfiles/file/soduxaguvetutovonuxegasu.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608bbe10769f2---ropeduvefofe.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607d69e40a10a---vumur.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/32e53e1eb0dd84c241f144f50cc11d10/61762649950.pdf
- http://orgue-chantepie.info/FCKeditor/upload/file/xukidejep.pdf
- http://nbpcpentecostalchurch.com/clients/65183/File/93318850966.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/nfk15s959jc6eo2h4ogqo7f12a/kimunujifukilovavakolaj.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_off0000e064.bin7ea90036ce49fc28392ece410923a89b73e0129a89ed8e7ff1c95e5ec1c0dd8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE064 | 16968 bytes |
font_01_sfnt_off00010cbb.binf6bbd19e331e855ba8c03c235faecfa8a738b59d4b20883f1f01d588e464eb97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CBB | 10284 bytes |
font_02_sfnt_off000123dc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DC | 16792 bytes |
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