MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable hosting or compromised CMS upload directories, indicative of a link farm designed to redirect users to malicious content. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' strongly suggests the document's purpose is to trick users with fake lottery or prize notifications, a common advance-fee fraud tactic. The embedded JavaScript likely facilitates the download and execution of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 8
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://youngshiny.com/userfiles/file/1630550276.pdf
- https://chatsystem.site/js/ckfinder/userfiles/files/96702682963.pdf
- https://hogozaty.com/ckfinder/userfiles/files/tidukerugisufomoken.pdf
- http://daiichilogistics.com/uploads/news_file/15913435489.pdf
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/f2942010f24a976c73df1e62275afebf/vadelefixipo.pdf
- http://malir-naterac.info/UserFiles/File/55581107828.pdf
- http://borik.customreal.sk/data/files/73294700446.pdf
- https://cdmsig1.com/ckfinder/userfiles/files/9646678307.pdf
- http://insei.eu/userfiles/files/11997864751.pdf
- http://tvcsoltau.de/userfiles/file/84390384765.pdf
- http://newtrichur.com/userfiles/file/31275055048.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139228d3a591---pesilekeweg.pdf
- https://sunarchegypt.com/userfiles/file/gitok.pdf
- http://sokole-tps.pl/userfiles/file/kexuvomuguxosob.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/n630ke4l7ego8nek29q1gf0ck1/roridilik.pdf
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/34292274049.pdf
- https://lean-ds.com/upload/editor/file/duxiz.pdf
- http://hyunshin.net/userfiles/file/87267863587.pdf
- http://dryoucosmeceutical.com/userfiles/files/moxokalabepejawanusidi.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0793bb96035a5600e3ef0d8258f295b0/rodebetelawutimuwam.pdf
- http://geosond.pl/userfiles/file/papiloboxezetano.pdf
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/nivomomodi.pdf
- http://internet-trade.eu/UserFiles/file/75170636097.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=it+takes+two+watch+online+free
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000effc.bin5fb79516b8cba35542734c599e4874e187bc1087569bb2cda2309afa9b7c9515 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFC | 10560 bytes |
font_01_sfnt_off00010815.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10815 | 16792 bytes |
font_02_sfnt_off00012027.bin2bf66d5bb81a80d8f3420464ce987baec1dce9fe1c052ec49899a84082596890 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12027 | 18844 bytes |
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