MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded JavaScript stream and numerous URLs, many of which point to disposable hosting or compromised CMS upload directories, suggesting it functions as a link farm to distribute further malicious content. The presence of JavaScript indicates potential for exploitation or redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://njchemland.com/upload/files/dulogutunaduz.pdf
- http://elitaliaweb.it/upload/file/wuladevija.pdf
- https://rcvizovice.cz/ckfinder/userfiles/files/magudaputubuluvit.pdf
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/87399062785.pdf
- http://bienbao.org/uploads/files/gosamanukuzojalokulov.pdf
- http://etkenkalip.com/files/51341897111.pdf
- http://argol-editions.fr/userfiles/file/tufixiloxazixutuxaxevate.pdf
- http://mingzhicc.com/userfiles/files/5713525651.pdf
- http://chono.mn/uploads/userfiles/files/92715333435.pdf
- http://boras-sjuharad.boj.se/uploads/userfiles/files/59203877453.pdf
- http://i-p-p-c.com/ckfinder/userfiles/files/petekafifodipusur.pdf
- http://virtualcharityevents.com/vce_cake/files/files/70506083782.pdf
- https://neurondevelopment.org/userfiles/file/52701593456.pdf
- https://eagle-aviation.com/userfiles/files/54737256129.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614178cac6500---zukigunorumolizafum.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcc2e6a0e9---20319849541.pdf
- http://peach2560.xyz/js/ckfinder/userfiles/files/wizokot.pdf
- https://mytekas.com/UserFiles/file/fokirana.pdf
- https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/1265300122.pdf
- http://albino-pitti.com/pub_img/file/gozef.pdf
- http://kolbiko.com/images/uploads/file/86876627607.pdf
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/53407593297.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147cc925c2b8---65855849531.pdf
- http://blueleaves.ru/userfiles/file/77041528834.pdf
- http://abakus-routing.co.uk/ckfinder/userfiles/files/52731544308.pdf
- http://stapper.de/sites/default/files/userfilesfile/9673544873.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+unroot+rooted+phone
- 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_off0000d867.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD867 | 16792 bytes |
font_01_sfnt_off0000f07e.bin3bf98aea0c747c9e1c218d9d423e74a8c38bbda29d49e17d96e193f3587844ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07E | 10196 bytes |
font_02_sfnt_off0001073a.bincc4eefa31d2ca7fceb4285d77e06bd66e53d20c9b9294ac10f6dbcb803c92156 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073A | 18148 bytes |
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