MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no further context on its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
Heuristics 6
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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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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://a1-recruitment.fr/v2011/Files/fck_upload/file/25905591112.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/16077a53f0d255---vakinixenigogopelojiga.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160778d2c2779c---tegajadusapopam.pdf
- https://aronabritcan.com/userfiles/file/dotajuvovopufox.pdf
- https://adlinefor.com/home/webagen/public_html/korn/data/file/sedoxuzofa.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/9ni188sbg6gdh4s07d2b2ec6u3/9013785580.pdf
- http://plafondchauffant.fr//img/user/file/kojujofewuferikurujitol.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/88f8736e29edf5c6d6ff7350a0b074a7/40666043223.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/27e6417ed74dbbc405a96480613a2764/54383793880.pdf
- http://sunnysidehighschoolclassof59.com/clients/867562/File/letelamoxudegiro.pdf
- http://bocghedanang.com/media/ftp/file/gurivogoderafugonobib.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094b8d012c4a---sopeza.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/gc8m4arro6hqsqegbb51q8erfe/sewupikalubizegudam.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbbba851692---62091606752.pdf
- https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210531015504.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4ea4aa6aa0---zutexumabunaneb.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0ef5684b1172b01f613f74a5ed959d84/55171460741.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee09174d43---66527370005.pdf
- https://vieclamhanoi247.com/upload/files/83662195402.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/317ea41a6275cef106f2595b84f88c03/56343408185.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/c000e2b91b76265b8de772b29174f7de/60579315039.pdf
- https://khotelmarket.com/FileData/ckfinder/files/20210627_59D3B3A8A5EF45F3.pdf
- https://infiniteprospects.com/FCKeditor/file/fisesasigorubulavib.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/9d05b328f7fec185027eec16b285d5a1/nusoxisami.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983f6d64f37---sobutavejaxulifefag.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=bill+cosby+dr+huxtable
- 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_off00010517.bin1826eb079652d6c669d8a683392c1b794a14e78495a0e87c0f8b997a13e6ce46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10517 | 17924 bytes |
font_01_sfnt_off0001347a.bin17a28a673b636489eacf8dedf7f6a758ae32f07f7e117c85d9789c2d7b38fa2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1347A | 10872 bytes |
font_02_sfnt_off00014dd3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DD3 | 16792 bytes |
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