MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to distribute malware. The presence of a "download button" heuristic further supports the lure-based attack pattern. ClamAV detection as Pdf.Phishing.Trojan confirms the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pixomot.ru/uplcv?utm_term=gta+vice+city+5k+apk PDF link annotation
- http://terezszilvia.com/images/uploaded/file/dexidezasegataka.pdfIn PDF document text
- https://liho.cz/UserFiles/File/jinakanuk.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/56892562701.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16132ffd6ee367---gogisuda.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/72172300527.pdfIn PDF document text
- http://cadelupo.it/userfiles/files/libada.pdfIn PDF document text
- http://hacoauto.vn/upload/files/nulojuwozokaneduriguroj.pdfIn PDF document text
- http://mesterteto.hu/userfiles/file/tasizivorolida.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/f5a4d265d5c600de1351ed4aa113565b/gabegizepijuledeka.pdfIn PDF document text
- https://mgc.to/sites/web/upload/files/xagefejemaz.pdfIn PDF document text
- http://hoangnampte.vn/quangbasanpham/app/webroot/upload/image/files/41492661483.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210906_B711362D780063E9.pdfIn PDF document text
- http://ahdjcm.com/upload/files/43644172875.pdfIn PDF document text
- https://ruh-center.ru/userfiles/file/79614651200.pdfIn PDF document text
- http://palenice.net/obrazky_clanky/file/wipusejav.pdfIn PDF document text
- http://bociany.sk/media/file/rejivisogovida.pdfIn PDF document text
- http://ancient-theater.gr/media/file/timamesininofevud.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c7dd600d4---97578563354.pdfIn PDF document text
- http://bikaji.zohukum.com/ckfinder/userfiles/files/89621853036.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b9ab3990417633902ff676b6584cd4d2/mufupofizagisodefit.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20210913052433_1461476083.pdfIn PDF document text
- http://bridgeonlaw.com/filespath/files/20210913083601.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320b546c865---pawotajunifirorasabosam.pdfIn PDF document text
- http://chinhsuasolieu.com/media/files/52710601475.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/pikagexodelanifolizu.pdfIn PDF document text
- https://ismart99.net/upload/files/parevewokinozupumoxemuki.pdfIn PDF document text
- http://tagsu.com/attachments/fckattachments/file/65033456347.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_off0000de5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE5B | 17672 bytes |
SHA-256: 404e66e4c65bcabebe91398be1404787dbbaae9291ee22fe6f4e6e4ad29856d0 |
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font_01_sfnt_off00010c08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001241f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1241F | 10272 bytes |
SHA-256: 2d75437f602c77e09d2b4013d2c46a282d0e75e76b5bb800c48222a07c9c0cc7 |
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