MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress upload directories. The document body is heavily obfuscated and appears to be generated content rather than user-readable text, further supporting a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://medpressa.ru/files/file/defejami.pdf In PDF document text
- https://ambalatender.com/upload/files/95975787422.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/xaduberojav.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16123415f1f998---42702154735.pdfIn PDF document text
- http://ok-poland.com/userfiles/file/dodutuxotukozu.pdfIn PDF document text
- http://siamsankyo.com/Uploads/file/tebisapokedozavi.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160addd21df46d---rexukutowizofijud.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/woxejofipisawepoxaxatato.pdfIn PDF document text
- http://ydtmuhendislik.com/ckfinder/userfiles/files/ritejegumukunetupewujunu.pdfIn PDF document text
- http://darienhigh70.com/clients/878490/File/lefupa.pdfIn PDF document text
- http://www.firengo.com/userfiles/files/zerume.pdfIn PDF document text
- https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/55090f003727c3b188a19eaeca977e49/45703346794.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/31627555043.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/36t4gvc4u2miqpvlgn4abs08p5/43745008146.pdfIn PDF document text
- https://prcomponents.com/ckfinder/userfiles/files/5388452384.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc1b7e2bec---gituged.pdfIn PDF document text
- https://djecijagarderoba.me/userfiles/file/bibupamezipemerofodas.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a7a23014d26db3ab6a5c1be1d1238203/80460340076.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607188cb94d77---lofataxajoluz.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/ea86a59a2f5fd0c002dec74d22e1c3b6/puzeg.pdfIn PDF document text
- http://pozitron-s.ru/userfiles/file/woxede.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080fae99dffd---67027296716.pdfIn PDF document text
- http://schokobrunnen.com/idata/bubasejukuvotanazekotapi.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608705b9d659f---27082459336.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792724b7918---80171073833.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=mathtools+fourier+seriesPDF link annotation
- 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_off0000cd23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e53a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53A | 10300 bytes |
SHA-256: 493d1984acbe0a18a8a184eb96b5fbcf11710712e3f51e3b2beff189b1c6c954 |
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font_02_sfnt_off0000fc9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9D | 17432 bytes |
SHA-256: 75c10c1a66ff945ddac0998b383617d0ff7da0d67d96063727b0c56112307c93 |
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