MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to lure users. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of phishing or redirection campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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 http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f57a3e079---katamufisefujibosa.pdf
- http://ksklinika.ru/ckfinder/userfiles/files/11361723838.pdf
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/ladodakak.pdf
- http://kimyasaldubeller.com/upload/ckfinder/files/39224368990.pdf
- http://bulmarconsult.com/files/vosigopugixir.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/77d13740c36c1be4c71c4e7dff5145b8/37959484764.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/i92h574do2un7r096fs4cvaf50/4352058951.pdf
- http://dfh-consulting.com/userfiles/file/72576217956.pdf
- http://chinoboxingclub.com/clients/36032/File/wokozokodebuwejegu.pdf
- https://sklep-pinokio.pl/web/uploads/files/18133093327.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/51aeeea15acb82d4493ec9fb67a0a4d6/xareko.pdf
- http://ccspatti.org/userfiles/file/6968943490.pdf
- https://tortugafilms.ca/adminfiles/file/29606515067.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160843629267ec---gozozesegobejivuluvafufa.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/mgomjvvtevt58chp8qrkh04jme/71007534558.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/160838f6d7dda1---titefur.pdf
- http://ballmillfactory.com/d/files/pasinekuzepitol.pdf
- http://okmarin.ru/userfiles/file/sabuwojag.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9028dcac7f---burisitafis.pdf
- http://wine-paraphernalia.com/files/winep/_repo/file/jesovuj.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/8ddd1b8f0e31d0ba584403aeeb177f3d/74096222171.pdf
- https://gcr.goldcrownresort.com/magazine_files/files/verewubewiwidoravemazuvux.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/94cfe4c0e1ef1b4403dbb31e2d0c023c/remudalifezudupalete.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf701930a1---pikukufejuxon.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/bbae616674a858c6b1b7e9c642995729/kilojokuxeb.pdf
- http://alltechsro.cz/files/86793852053.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+get+first+star+in+mario+64
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010138.bin09c37ebbf9962978d3144f194495511db3f549097993e80108ff4c3549decbc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10138 | 10832 bytes |
font_01_sfnt_off00011a53.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A53 | 16792 bytes |
font_02_sfnt_off00013265.binca71106e22b998dd43e8db8f2b5418f554185d917aad3f887e29cd2049fd12a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13265 | 17440 bytes |
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