MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with a critical heuristic firing for PDF_JS indicating embedded JavaScript. The PDF also exhibits characteristics of a link farm, with numerous external URIs pointing to potentially malicious content. The embedded JavaScript likely serves to execute malicious code or redirect the user, contributing to a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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 https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143bd67c074d---14204655764.pdf In PDF document text
- https://gs-hemeringen.de/ablage/userfiles/files/48393825318.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/68394437389.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/28314069963.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/2477823261.pdfIn PDF document text
- http://veterinariomauracotti.it/userfiles/files/wanowodafekevafo.pdfIn PDF document text
- http://margheritango.it/userfiles/file/netilusolemupopiwumisufol.pdfIn PDF document text
- http://coniperfumes.cl/js/ckfinder/userfiles/files/65523879526.pdfIn PDF document text
- http://theleadershipworks.com/PO2/UPFILE/userfiles/files/sefub.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/sezexekosusavoxuriv.pdfIn PDF document text
- https://nevjegyzek.eu/uploads/file/safebudumepudivamipa.pdfIn PDF document text
- https://www.fangjin.org/ckfinder/userfiles/files/wubugubusezideguzifa.pdfIn PDF document text
- http://igs.compcierge-asia.com/ckfinder/userfiles/files/belenafapepuperotepuzoxe.pdfIn PDF document text
- https://history.tlshaa.org.tw/ckfinder/userfiles/files/dagaveragoj.pdfIn PDF document text
- http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/68056178450.pdfIn PDF document text
- http://chukguwang.com/files/fckeditor/file/29564724386.pdfIn PDF document text
- https://wspaperbag.com/userfiles/file/rojomiku.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/gagofekumumeguveberuv.pdfIn PDF document text
- http://www.jobibon.com/admin/userfiles/file/84984521367.pdfIn PDF document text
- http://bakersfield.thepokeluau.com/uploads/files/76415679906.pdfIn PDF document text
- http://qhchemicalsfeed.com/upload/files/7965410581.pdfIn PDF document text
- http://sky1981.com/asset/uploads/files/wavigez.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/47741301950.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=pokemon+the+last+fire+red+rom+hackPDF 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_off0000c1fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1FB | 10836 bytes |
SHA-256: d76001034d47617b5351d12e4c36e8664f0f630881e735479e55fc1ff1312238 |
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font_01_sfnt_off0000dac4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC4 | 18264 bytes |
SHA-256: 5d3aa13c63deadc7237a2385d7107988b7404b038a9454eec5d06325bf8f5817 |
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font_02_sfnt_off00010a4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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