MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress uploads or disposable hosting, indicating a phishing or redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://artdental.hu/editor_up/lamedegedivaxifudo.pdf In PDF document text
- https://cdmsig1.com/ckfinder/userfiles/files/36188893205.pdfIn PDF document text
- http://morakothotel.com/file_media/file_image/file/49654396712.pdfIn PDF document text
- http://viprealestatebrokers.com/userfiles/files/19577418306.pdfIn PDF document text
- https://h1t-url12shio-turbo.com/contents/files/toxenagimisut.pdfIn PDF document text
- http://sfipl.in/userfiles/file/34958637355.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/ec048c382276b794c8c3b4f2b87cb0d6/bowowunederapopirumuk.pdfIn PDF document text
- http://zoekidsworld.com/userfiles/file/97512121032.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613222e1a8968---rodolifetuxamutukuvu.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131b7594e5bc---femoterorezuvusawubalaw.pdfIn PDF document text
- http://zzfcw.com/file/fkimg/file/59012839262.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/88234858934.pdfIn PDF document text
- http://salonorganica.ru/upload/files/bunutobefod.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021090516041080554.pdfIn PDF document text
- http://moneymaker-gold.de/files/9954244640.pdfIn PDF document text
- https://suthuytinh.com/app/webroot/uploads/files/2156036024.pdfIn PDF document text
- http://euroambulans.pl/userfiles/file/nomiku.pdfIn PDF document text
- http://huarui-bio.com/upload/files/wivojaxovij.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=free+online+tarot+reading+llewellynPDF 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_off0000e01c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE01C | 18852 bytes |
SHA-256: ee76ed65f44d20649427fd9d8c90990af2667f32240c7daae5396373f34d38d0 |
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font_01_sfnt_off000111fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111FC | 10432 bytes |
SHA-256: a8344e975f9cd11097db25eb4adc10b34e28fe250acdf7cf02b6848602a1572a |
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font_02_sfnt_off00012989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12989 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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