MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs pointing to disposable domains, suggesting it's part of a phishing campaign to trick users into downloading malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to delivering a second-stage payload via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chcial.ru/uplcv?utm_term=download+game+mini+world+block+art PDF link annotation
- http://stsmcc.org/www/js/ckfinder/userfiles/files/89904015660.pdfIn PDF document text
- http://problemconsulting.com/img/download/files/93889875782.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/94502074686.pdfIn PDF document text
- http://zxpgw.com/userfiles/file/jozoselujepopifesibudi.pdfIn PDF document text
- https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/zivojejiziwino.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/pexemuz.pdfIn PDF document text
- https://tahubunting1.com/contents/files/3101784567.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/weninizivabefidalubuj.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/39276702457.pdfIn PDF document text
- https://rajakeempat.com/contents/files/42986593467.pdfIn PDF document text
- http://rjt1.org/upload/files/78645132612.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/vafibemaxomerosobizaseke.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/14838098298.pdfIn PDF document text
- https://raljob.com/userfiles/file/nonavetorek.pdfIn PDF document text
- http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/68819600485.pdfIn PDF document text
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/vevageziporo.pdfIn PDF document text
- https://prcomponents.com/ckfinder/userfiles/files/96857136010.pdfIn PDF document text
- https://nasikampung.info/contents/files/kugidadaminatupofiber.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/31907983977.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/43165102193.pdfIn PDF document text
- http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/68928826678.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1631203669.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/kagewo.pdfIn PDF document text
- http://unewstoday.com/task/userimages/file/47984661611.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/widodanodigiropixo.pdfIn PDF document text
- 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_off0000b83e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB83E | 10864 bytes |
SHA-256: 0f7451c85b0a1a0d0bd858f5a97f27c59061d50e4e3717234d911f85f5356a9a |
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font_01_sfnt_off0000d125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD125 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE937 | 15080 bytes |
SHA-256: ffdf8cff70b356ef606168ce8c59ba714e27b9b7081e06864c4646f3f3487557 |
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