MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The presence of numerous external URLs, many pointing to potentially disposable domains, suggests a phishing or credential harvesting attempt, or a distribution point for further malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the download and execution of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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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://elementsgogreen.com/userfiles/file/jugugasoxulujuramiju.pdf In PDF document text
- https://tims.ro/ckfinder/userfiles/files/rewamitugezofepagerimo.pdfIn PDF document text
- http://novena99.com/uploads/files/202109031816189313.pdfIn PDF document text
- https://impeka.lt/components/com_mijoshop/opencart/image/data/files/pigexutas.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/pazevibuvovupaz.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/62907911812.pdfIn PDF document text
- http://autofactory-jin.com/js/upload/files/64957539943.pdfIn PDF document text
- http://altus.pl/userfiles/file/92231759018.pdfIn PDF document text
- http://gndpta.eu/news_objects/files/juwagufes.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/11128067769.pdfIn PDF document text
- http://idroter.org/userfiles/files/padabedinufupavi.pdfIn PDF document text
- https://adurucui.com/ckfinder/files/saxuwapigezawuba.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612faf7aadbdd---rawabuju.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/4398133503.pdfIn PDF document text
- http://alacarte-husum.de/userfiles/file/10055117987.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/napovakigoxekutabowamel.pdfIn PDF document text
- https://rmp-traueranzeigen.de/cms/files/52829923510.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/dikijalu.pdfIn PDF document text
- https://fceresources.com/ckfinder/userfiles/files/fanifizakirawunupabuxon.pdfIn PDF document text
- http://nelly-design.ru/upload/files/39582797312.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/53305628501.pdfIn PDF document text
- http://speakingaboutnetworking.com/ckfinder/userfiles/files/vimizonemazudexedukarit.pdfIn PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/49445639366.pdfIn PDF document text
- http://metafelix.it/userfiles/files/zagorajagivaxivajilezur.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=hotspot+apk+downloadPDF 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_off0000d454.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD454 | 10228 bytes |
SHA-256: 3cbf5e33bad90fed8454f5bf1e1ae33eddd5a83a62017ca5c68bf0b64ceff09f |
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font_01_sfnt_off0000eb77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB77 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10389 | 18608 bytes |
SHA-256: 1169ff1a57a8f78b180a77539eedc134347bc942dc09856111a214099fb86154 |
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