MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and the overall structure point towards a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bfe94b4168be0aa2fbc891209dd27005/lemixulopapagu.pdf In PDF document text
- http://annassteen.com/ckfinder/userfiles/files/64210604695.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b744a4d11e0---winogodiwor.pdfIn PDF document text
- https://goodline.by/userfiles/file/gerubadelovoziwalumuwo.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/87269234819.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/sajegepute.pdfIn PDF document text
- http://tafoto.de/img/upload/files/vepinu.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/3c217b2b18540a229e46cd424e09935d/gunoruzerowum.pdfIn PDF document text
- https://a5productions.com/home/a5pro/public_html/ckfinder/userfiles/files/sivet.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/sodekibosetuvuxuzopu.pdfIn PDF document text
- http://americansemitruckparts.com/d/files/dibejobimona.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16085318d31b79---52598964513.pdfIn PDF document text
- https://vico-inmobiliaria.com/ckfinder/userfiles/files/92107112935.pdfIn PDF document text
- http://biznesfishki.ru/files/userfiles/files/29645569858.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/45404390467.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607365c1482fe---nililutijamur.pdfIn PDF document text
- https://aplusadvance.com/naver_editor/data/file/tejilonawimuwenijud.pdfIn PDF document text
- https://babamore.com/upload/ckfinder_temp/files/20210621091120.pdfIn PDF document text
- http://csc0535.com/userfiles/file/20210628050221_c545vl.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/29795137430.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/vunafijitofa.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/90460380257.pdfIn PDF document text
- https://sensiblemachines.com/ckfinder/core/connector/php/files/vowogekejedibekuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=exercicis+ortografia+catalana+3r+eso+pdfPDF 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_off0000fc79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001148b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1148B | 18904 bytes |
SHA-256: 4e7177eaad9b5d78f527d5cb5a4f4c0fa2c09010fcbdf2a25805ed31ab6b728b |
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font_02_sfnt_off000142f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142F0 | 11052 bytes |
SHA-256: 60d9b26b0c224381cc0a182b23ebbdee3da218f6dc0ec5ee60a63990d8e721e1 |
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