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 external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, but the presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a strong intent to direct users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://garglob.ru/uplcv?utm_term=cbz+to+pdf+converter+app PDF link annotation
- https://rais.bg/uploads/file/41121575840.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/wojovoguzidagese.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/05c7a7d6c6b6c556281b017594c278c0/7658112067.pdfIn PDF document text
- http://kxqcgs.com/filespath/files/20210909210307.pdfIn PDF document text
- http://studiocalderini.it/userfiles/files/62962485954.pdfIn PDF document text
- https://zaindu.drogomedia.com/files/galeria/files/mojixim.pdfIn PDF document text
- http://asacnfservices.com/ckfinder/userfiles/files/xezar.pdfIn PDF document text
- http://nhasachnguyenvancu.com/Images_upload/files/rirotixoraperotux.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/wopujazobutesopaweralix.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/vekasemadatazigezove.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/nanewedurineweva.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398cde39643---kegalurililetasejulipoxux.pdfIn PDF document text
- https://tpk-m.ru/files/file/depexalegejijajed.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/2108308400.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/fvoknea3b8tvk3a1khhekgq56m/xanuvedak.pdfIn PDF document text
- http://jezirka-biobazeny.cz/UserFiles/File/jadajolakigejes.pdfIn PDF document text
- https://aspirecambodia-edu.org/userfiles/file/kiviraduxutimut.pdfIn PDF document text
- https://sproname.com/files/userfiles/files/toxigesekemafarirasevex.pdfIn PDF document text
- http://termocity.by/pics/files/bawawunazebinaveliro.pdfIn PDF document text
- http://dautuck.com/uploads/userfiles/file/1895648450.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342d73af2e4---99818458725.pdfIn PDF document text
- http://dotykbylinky.sk/_subory/subory/majimu.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_off0000e26a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26A | 10604 bytes |
SHA-256: e1cec49a09e2a433d758b653dd041317a09933687ea58ea09c469303a39a89bd |
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font_01_sfnt_off0000faaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C1 | 17620 bytes |
SHA-256: f75e14b6fb239868f743646d293c31a6ab680d3966bd66543b980ee02ad2036f |
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