MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'utm_term' parameter in one URL further supports a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://cructi.ru/uplcv?utm_term=street+fighter+5+download+apk PDF link annotation
- https://mosallaesf.ir/uploads/ck/files/40763518253.pdfIn PDF document text
- http://foto-preiss.at/upload_files/files/20364638256.pdfIn PDF document text
- http://fkm-lux.by/var/upload/file/fikemokisedofigita.pdfIn PDF document text
- http://mcenterdk.ru/fck_editor_files/files/xekunituzuv.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cde6e05d67---1056738337.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/39059b8a887b1126d507c33ef1b15b86/72291887594.pdfIn PDF document text
- http://royalleasingny.com/admin/images/file/lefametepuwi.pdfIn PDF document text
- http://thueotodn.com/uploads/image/files/niliritutada.pdfIn PDF document text
- https://jokerprod.net/userfiles/file/16047622771.pdfIn PDF document text
- https://tranthachcaodanang.thicongmaiche.com/uploads/image/files/38898105098.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161531073cfa9d---57544801955.pdfIn PDF document text
- https://stiglic.sk/userfiles/file/bifazosotodozo.pdfIn PDF document text
- http://c-six.it/userfiles/files/84614628503.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16146784ca2650---japuzixane.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/d93362a4b2625814bd837dea751d59de/73545261168.pdfIn PDF document text
- http://baobianhkhang.com/upload/files/77055298183.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/lejazujegud.pdfIn PDF document text
- http://csc0898.com/userfiles/file/20210905101146_4nkb1b.pdfIn PDF document text
- http://risorsaterra.it/userfiles/files/lavowu.pdfIn PDF document text
- http://first-group.kr/ckupload/files/45161223947.pdfIn PDF document text
- http://lonniestireandauto.com/nbloom/fckuploads/file/57239849116.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-2/20210902005656724563.pdfIn PDF document text
- http://artpolyclinic.com/file/files/68190125023.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_off0000b7f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7F7 | 10996 bytes |
SHA-256: cfc241caf285c6c0f93df886dadbad93737764e1f8b98f3adecf3d908a417eec |
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font_01_sfnt_off0000d155.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD155 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e967.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE967 | 20972 bytes |
SHA-256: d3270886012e4aeb085de98e0ab18d9e37c5f7f9269cf3be4b7250a3f17dcc09 |
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