MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to external sites. Several of these URLs are hosted on compromised CMS uploads or disposable domains, indicating a likely intent to lure users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://nieruchomosciturystyczne.eu/files/file/gekaxukutetuj.pdf In PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16131175879b27---4763246032.pdfIn PDF document text
- https://loppisidjupdalen.se/images/uploaded/file/64534657123.pdfIn PDF document text
- https://znalac.com/userfiles/file/walipasefen.pdfIn PDF document text
- http://american-security-inc.com/assets/ckfinder/userfiles/files/42426052532.pdfIn PDF document text
- http://modern-pro.ru/files/file/roludowego.pdfIn PDF document text
- http://inbond-cn.com/userfiles/file/lejemamasiliwef.pdfIn PDF document text
- http://kovospm.cz/fotky/file/gugeli.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///14908524230.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/dunujotalaneno.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ba1b56ff91581bb711146e2e573a0595/zepiz.pdfIn PDF document text
- http://frigotechreina.com/userfiles/files/xavarujokinuravaruk.pdfIn PDF document text
- https://www.pharmawell.eu/ckfinder/userfiles/files/93407613685.pdfIn PDF document text
- https://shih-tzu.ro/files/file/tovogofelanuxewotufek.pdfIn PDF document text
- https://33mobility.net/uploads/files/kuguxap.pdfIn PDF document text
- http://syntra.pl/userfiles/file/8510132394.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/34020935296.pdfIn PDF document text
- https://hosrem.org.vn/ckfinder/userfiles/files/29701826450.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/161409ff8111c9---34726715527.pdfIn PDF document text
- https://medgal.pl/admin/ckfinder/userfiles/files/42371624100.pdfIn PDF document text
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/movezelelebiwejanes.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/57645566665.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/zudiruti.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=chrome+automatically+opens+androidPDF 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_off0000f18c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF18C | 11024 bytes |
SHA-256: a4622b838e44f1d8a9743fc271fe0b6ee7fb56947f2dd2fb4a44ad74695faf6f |
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font_01_sfnt_off00010b0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B0C | 17960 bytes |
SHA-256: 145cbd95d8b824609a7cc53d0911e4dbd007b8f48a3935823efea26cb050c25a |
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font_02_sfnt_off00013995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13995 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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