MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised CMS uploads and disposable hosting, forming a link farm designed to redirect users. The primary URL suggests a lure for downloading an Android application, indicating a potential phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://synerhu.ru/uplcv?utm_term=iartbook+app+download+for+android PDF link annotation
- http://master-sign.ru/ckfinder/userfiles/files/58258280252.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/161399918f0962---bufewerovajaku.pdfIn PDF document text
- http://cocoon-source-harmonie.fr/public/file/kaxirirope.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a6129ae32---zusawekek.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/65209613284.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a43cc522f---69590121748.pdfIn PDF document text
- https://lionkingbali.com/uploads/file/pixokoxigopogerofigeg.pdfIn PDF document text
- http://autowagon.it/userfiles/files/97447486925.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/62616593282.pdfIn PDF document text
- https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/rososejag.pdfIn PDF document text
- http://doremimarlikinsaat.com/userfiles/file/wewiku.pdfIn PDF document text
- http://elliptical-trainers.ru/ckfinder/userfiles/files/tabukegijosurefufalubiwi.pdfIn PDF document text
- http://www.bargiel.com.pl/ckfinder/userfiles/files/62172121931.pdfIn PDF document text
- http://marcth.pl/media/fck/file/1185016537.pdfIn PDF document text
- https://aldaserwis.pl/ckfinder/userfiles/files/66608818406.pdfIn PDF document text
- http://nature-revive.org/files/file/88552195995.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1612f081cf153b---ramirawekosugonegujuxa.pdfIn PDF document text
- http://www.casasemio.com.br/ckfinder/userfiles/files/71086344368.pdfIn PDF document text
- http://karaokejdi.com/ckfinder/core/connector/php/upload/files/7635856236.pdfIn PDF document text
- http://onlytech-tunisie.com/userfiles/file/luretilibikeg.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_off0000e9c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C8 | 10460 bytes |
SHA-256: 2d1e68e6eb518fa78a112a790b2d2dd00bc679e304b2102e85275901ae2cfb6c |
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font_01_sfnt_off0001016d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1016D | 20444 bytes |
SHA-256: b647f2f7f19ff7a85dab09aa05ac1c0c1055d11d218da9ab75a9c4e713dd76b0 |
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font_02_sfnt_off00013634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13634 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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