MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URLs are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://catamma.ru/uplcv?utm_term=gsb+sports+apk PDF link annotation
- https://bahispesinde.com/gnc/veri/_files/fadixuket.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/f6382a0daa69b510551bac3ae2c967e8/26677344926.pdfIn PDF document text
- http://giaydantuongphongngudep.com/images/news/file/70291776502.pdfIn PDF document text
- http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/92257007039.pdfIn PDF document text
- https://pankajplast.com/ckfinder/userfiles/files/kenigimopujibi.pdfIn PDF document text
- http://studioingtassinari.eu/userfiles/files/sowiperuvotizifusuvab.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/90395347257.pdfIn PDF document text
- https://sskundal.com/userfiles/file/46675565052.pdfIn PDF document text
- http://talesma.com/E/file/53022363534.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/30630893126.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/31303178255.pdfIn PDF document text
- http://otpetye.com/images/shared/file/78613518047.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161417e163b1ac---zuzegosirogupubor.pdfIn PDF document text
- https://www.rougeindigo.com/ckfinder/userfiles/files/11111954532.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614047f877beb---nunisuf.pdfIn PDF document text
- http://hidramaco.com/files/files/52088427643.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1a4d8b4f7---164808613.pdfIn PDF document text
- http://viorina-deko.com/images/file/lowomuzedekoliw.pdfIn PDF document text
- https://campermagazine.tv/public/file/duromoxazozafonofe.pdfIn PDF document text
- https://likeevent.it/writable/public/userfiles/file/vujoziribalaki.pdfIn PDF document text
- http://op-gold.com/ck_image/files/lafigazigulibaliwug.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210916093756.pdfIn PDF document text
- http://ibb-online.ru/f/file/52033593596.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210915_8EB61E68A5E383A8.pdfIn PDF document text
- https://vyrukrc.lt/userfiles/file/90314919808.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/perovomesezomaxeredir.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_off0000ef29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF29 | 18636 bytes |
SHA-256: 5b8b75a1b0b5b7ba2951e21396e6efd80f30931dfd815693407b3bd807218cd0 |
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font_01_sfnt_off00011fa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000137bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137BF | 10140 bytes |
SHA-256: 853a3a0470855bdbb193c523094a92bad92f91a3e7e3918b59b4214a3ee7337d |
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