MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic firings indicate a phishing attempt to lure users into downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 5
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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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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://clairvoyantinfotech.com/demo/images/15945138215.pdf In PDF document text
- https://apskarota.org/userfiles/file/19357021055.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210907125326.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/7363429846.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/jafetimedidisanowaxolotav.pdfIn PDF document text
- http://maudchristan.nl/ckfinder/userfiles/files/gidebivalosolunaxilaribe.pdfIn PDF document text
- http://sakuragiramenandsushi.com/uploads/files/11085151636.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/1696707601.pdfIn PDF document text
- https://pbpkrosno.com/fckfile/15806786021.pdfIn PDF document text
- http://kayapalinakliyat.com/file/wogofisa.pdfIn PDF document text
- http://tutaylamhet.com/storage/ckfinder/files/zetokimuwobizenokapav.pdfIn PDF document text
- http://df-2.de/images/daten/file/18038369062.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/cf7b220f3bcd86d7e30f70357604501c.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210908_26ACF4F384AA65B3.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7e4bcf486---wokubebamoriniwivat.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/62425394814.pdfIn PDF document text
- https://questyme.com/userfiles/file/18702886234.pdfIn PDF document text
- http://nhakhoauytinhaiphong.com/upload/files/tiresusarafulotozulegej.pdfIn PDF document text
- http://enricobarraco.com/files/38721363960.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/1v45phs0q9t28lr816qs9hpfer/japumebimobudosupep.pdfIn PDF document text
- http://studiopedrazzini.eu/userfiles/files/fowavu.pdfIn PDF document text
- https://cdmsig1.com/ckfinder/userfiles/files/mobutamimodetovamomixagag.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=advanced+grammar+in+use+chomikujPDF 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_off0000cf67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e779.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE779 | 20172 bytes |
SHA-256: fe7853edc21cee029182629b67f322287739bf6b98b421520a3b82b5811e276d |
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font_02_sfnt_off00011b59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B59 | 11040 bytes |
SHA-256: d682bb695c136f5ae3e94f520c4de336023d5c96ade5f4cf5cf9aae88a57080a |
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