MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs likely serve as lures to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://irlanc.ru/uplcv?utm_term=how+to+reboot+android PDF link annotation
- https://coolinterier.sk/upload/files/nitajusafewira.pdfIn PDF document text
- https://ms2oke.com/contents/files/sojot.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/f215bf764ec9a7a80d1e34e68f63493b/vuduvavituxumovalakoba.pdfIn PDF document text
- http://daiichihr.com/uploads/news_file/gutabixiwoxulorab.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/59182522992.pdfIn PDF document text
- http://kientrucnhacuagio.com/upload/files/wexixefejerodoronatij.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/81405641163.pdfIn PDF document text
- http://skncn.com/u/files/tafolekajerupudojamatiz.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614408be39003---genofi.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/41esgepqkm87upjvnu7ptsousr/xorosavuw.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/migunugabawelazoxu.pdfIn PDF document text
- http://www.w.radeton.cz/ckfinder/userfiles/files/26156081633.pdfIn PDF document text
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/jitisejutidenawaf.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/7f8477aa03391e86062472175c4de0dd/72393018919.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/fuvoxibikenipukerizus.pdfIn PDF document text
- http://doo-san.com/userfiles/file/20210913210257.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/55a580713c8a809507c5e2d6ef377b4e/65183308727.pdfIn PDF document text
- http://belniig.by/public/file/88966179952.pdfIn PDF document text
- https://orangerun.re/photo/files/8985410218.pdfIn PDF document text
- https://sapporopools.com/contents/files/57377349583.pdfIn PDF document text
- http://aasghsflqsae.handylover.com/upload/files/dafarixufofixigofa.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_off0000d24b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD24B | 10244 bytes |
SHA-256: f5486923146df3d4891bf4aaf51a78858c5ffec6e896e76ae0ca2aecc495af48 |
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font_01_sfnt_off0000e968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE968 | 18084 bytes |
SHA-256: f4be34245a951436fb5807d67e85022fd03a32f1950e2c9aba18ef149c0273c3 |
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font_02_sfnt_off0001186b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1186B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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