MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan variant. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the true destination and leverage compromised infrastructure. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chcial.ru/uplcv?utm_term=handbook+of+narrative+analysis+pdf PDF link annotation
- http://micdelhi.in/userfiles/file/34345437959.pdfIn PDF document text
- https://sportyou.fr/ckfinder/userfiles/files/likuziwane.pdfIn PDF document text
- http://bsl-trans.ru/admin/ckfinder/userfiles/files/waxekasidipip.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098a27f71826---78009851363.pdfIn PDF document text
- http://roanfamily.net/clients/0/01/01b24a6c100194bbc8678883f3cd4a53/File/gavitewugada.pdfIn PDF document text
- https://www.institutvzdelavani.cz/files/japozup.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bd4b633cef4f18b09ce18c48d48ab0a9/sizifewoduvazopasaf.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/e4d1cbb0358c95b8730a3d4ddc10871b/wewofajulilexuvuga.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/9589c574d572d4353961e1bda93b7813/51832480305.pdfIn PDF document text
- http://zonazero.es/userfiles/file/76756634007.pdfIn PDF document text
- https://abofahed.com/userfiles/file/dukukewiwosipexogugipajeb.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/4220563274.pdfIn PDF document text
- https://vantainoidia.vn/ci/userfiles/files/bepojowosajorojibodisoral.pdfIn PDF document text
- http://arch-teh.com/pic/userfile/mugasonukilipituka.pdfIn PDF document text
- https://locktactyuma.com/userfiles/file/5069887934.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/bejonak.pdfIn PDF document text
- https://p99.tw/pro_pic/files/pijalokewarobuf.pdfIn PDF document text
- http://emanuelarombiarchitetto.eu/userfiles/files/80923624151.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/b7bcf2556567713938b11ca356601242/75525725762.pdfIn PDF document text
- https://ctsgroups.asia/images/file/62683817040.pdfIn PDF document text
- http://devison-matras.com/upload/file/97129785924.pdfIn PDF document text
- https://schilderlesvakantie.nl/ckfinder/userfiles/files/divuvavefagevowu.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085229f76c54---zopuvudidelokapel.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/308356934.pdfIn PDF document text
- https://austarpharma.com/upload/files/wusimonuferure.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f4e1e4e43---5520895272.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_off0000cd4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD4E | 17600 bytes |
SHA-256: abebca5fb2179c930dce2452d964842f22de300371902b3782131c45a75812a4 |
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font_01_sfnt_off0000fa44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001125b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125B | 10892 bytes |
SHA-256: ee5b4e52a7eecd52b612f4f976ffdec190a97bd6a929973c4a43b419cbb72958 |
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