MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many pointing to compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the heuristic firings and extensive URL list point to a link farm designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://nomylo.ru/uplcv?utm_term=a+quiet+place+part+2+cast PDF link annotation
- http://www.tsahimmongol.com/uploads/images/files/mepobijoj.pdfIn PDF document text
- http://carraracucinecomponibilitrapani.it/userfiles/files/6541980641.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/efee8718fdbffea0f82f0cea89962c1b/98701715524.pdfIn PDF document text
- http://achwvs.love-mrt.com/upload/files/99095081810.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d7d83ed5821b83c1e51b1e3191a2c9e4/vavizevepuwawogewubiloxa.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee5a9f1be7---zelutuforava.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/4dc02007e2f6fa24e88746d980e01c1d/69052799606.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/4012027811.pdfIn PDF document text
- https://rosanaalvarracin.com/userfiles/file/tabefunalunadaxewox.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/90024564231713c8a9e5d0338c63d183/xiweg.pdfIn PDF document text
- http://sangtaoad.com/uploads/userfiles/file/63215151731.pdfIn PDF document text
- http://eastindiaspray.com/suvra/eastindia_spray/files/verosabajajavekago.pdfIn PDF document text
- http://santabruna.cl/upload/file/vufanawamaxisovuwenorub.pdfIn PDF document text
- http://www.bordadoindustrial.com/ckfinder/userfiles/files/metad.pdfIn PDF document text
- http://vansuloi.com/uploads/userfiles/file/fawikinofak.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/34866264392.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/77336442791.pdfIn PDF document text
- http://iamsong.vn/uploads/files/1186955048.pdfIn PDF document text
- http://s-pack.kr/userfiles/file/20210915235611.pdfIn PDF document text
- http://rdmsrl.it/userfiles/files/xagamuwodil.pdfIn PDF document text
- http://aybar-gallery.com/userfiles/files/fijamibiserulop.pdfIn PDF document text
- https://sportnazona.bg/f/uploads/files/49104578365.pdfIn PDF document text
- http://yas-center.ru/userfiles/file/26306593909.pdfIn PDF document text
- http://geomanteia.com/userfiles/files/fenuwogifunilaloxi.pdfIn PDF document text
- http://rs-entp.com/upload/file/19682040163.pdfIn PDF document text
- http://tzsunup.com/upload/83302648288.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE008 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f81a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81A | 17296 bytes |
SHA-256: 8957a1f9238622281427c4e7394a13c4838421335df3b80a165cc7286a270455 |
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font_02_sfnt_off000124ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124EF | 10488 bytes |
SHA-256: 218ebc63e9f8960b515cc00b072e5995a1c2feaa07440b21e6b987e6247e8452 |
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