MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to PDF files on disposable domains, suggesting a link farm designed to obscure the true destination. The presence of embedded JavaScript and a visual download button further indicates an attempt to trick the user into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://gerastar.com/userfiles/file/17391347445.pdf In PDF document text
- https://prestinieurope.ch/userfiles/files/31907421723.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/98759413704.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/64180921051.pdfIn PDF document text
- https://marikakozmetika.hu/editor_up/28566418456.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pavasupozowe.pdfIn PDF document text
- http://a-pluset.com/userfiles/desemafujuludirosak.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/58080937622.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/bemanugijorekokuzowu.pdfIn PDF document text
- http://ilovestory.com/upload/file/69771022040.pdfIn PDF document text
- https://afgventuregroup.com/cfiles/file/rixumozadamutunego.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///kadawakiroperufigefij.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/tafodizexuk.pdfIn PDF document text
- https://prospr.fr/ckfinder/userfiles/files/23050234260.pdfIn PDF document text
- http://advocaatindex.nl/images/uploads/wurogujiri.pdfIn PDF document text
- http://supragyn.cz/userfiles/file/87427359129.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612edc8206d95---detarevubetakew.pdfIn PDF document text
- http://theofficefurniturestore.com/ckfinder/userfiles/files/niropoziwokoberemivami.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/85785528362.pdfIn PDF document text
- http://www.prctech-th.com/ckfinder/userfiles/files/47137665050.pdfIn PDF document text
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/bapiriponuge.pdfIn PDF document text
- http://rasciindia.com/firetech/ckupload/files/jowemofujemusazosakoro.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/dobugor.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=happy+cooking+mod+apkPDF 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_off0000d933.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD933 | 10512 bytes |
SHA-256: 84db93dac39ef78714ea0bc19177522ce049a042cefdbcf3855eb5f6ec9227fe |
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font_01_sfnt_off0000f0d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D2 | 18684 bytes |
SHA-256: 9785c74eb30a20f577d5ff3169732b7948ebb77fcf435c6e52678fc023fe40a5 |
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font_02_sfnt_off000121a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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