MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://infrive.ru/uplcv?utm_term=pokemon+esmeralda+descargar+para+gba PDF link annotation
- http://cleversystems.ru/userfiles/file/27779402269.pdfIn PDF document text
- http://2017.letnifestiwal.pl/ckfinder/userfiles/files/6032046718.pdfIn PDF document text
- http://ozhelalikram.de/resimler/files/ruzira.pdfIn PDF document text
- http://stardentalcare.org/userfiles/file/30253960773.pdfIn PDF document text
- http://dcbestwings.com/uploads/files/38814112181.pdfIn PDF document text
- https://gregoryshow.ru/files/file/zupiluxetina.pdfIn PDF document text
- https://jpt.mysmartedu.com/uploadimages/files/puxatawinekadidowotud.pdfIn PDF document text
- http://casadiriposomarsala.it/userfiles/files/zisovuvagubomi.pdfIn PDF document text
- https://muachungbaohiem.com/uploads/userfiles/file/fadij.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/30293912975.pdfIn PDF document text
- http://phuclocvienjsc.com/uploads/image/files/vutopimareb.pdfIn PDF document text
- https://pre-www.bridge-college.com/uploaded/ckeditor/files/95246235621.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/loxovivudito.pdfIn PDF document text
- http://ternovykh.ru/content/file/domotarikegos.pdfIn PDF document text
- https://nothingbutsafetyglasses.com/userfiles/file/68088455345.pdfIn PDF document text
- https://vicareyou.com/userfiles/file/zinonunaxuvamik.pdfIn PDF document text
- http://tourister.kr/userfiles/file/96806390249.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/71eece9b5afbd9f5d4d379084282593b/73904930701.pdfIn PDF document text
- http://hong-tour.com/FileData/ckfinder/files/20210901_6AC06B3C2C693590.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/rnku90gsg7fsu9u0ntijjd7tr7/27683721323.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/7c9c74afe4b13a6ebc747b1dbd3a58dc/mopakexosav.pdfIn PDF document text
- http://shinaval.ru/userfiles/file/loxawivukibeligaxenivo.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/kenuxa.pdfIn PDF document text
- https://burgaseguros.com/userfiles/file/tenesebupixunasavusu.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_off0000ca99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e2ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2AB | 18616 bytes |
SHA-256: d68d7b7f5a94425a2ce3777f9edfd3fa369d8a966c046117c8f948370148863b |
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font_02_sfnt_off00011355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11355 | 10900 bytes |
SHA-256: 77615026ae77925a93a93ab1fe70c61f0be4fe94a58ccf0e0c6164e3d4b56727 |
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