MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of a 'Browser extension / update installation lure' heuristic strongly suggests a social engineering tactic to trick the user into downloading a payload. Multiple URLs pointing to compromised CMS uploads and link farms further support this, likely serving as download locations for the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 8
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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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://geteffective.biz/uploadfiles/file/bodisawawiparekuma.pdf In PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160842f0e8c471---xabefurejefugudika.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/ajf1jrf9nngojt3u0l6qgebrm7/kotefokuwawalizobukupej.pdfIn PDF document text
- http://musikpark-live.de/userfiles/file/69098320662.pdfIn PDF document text
- http://oilandgaswork.com/userfiles/file/mosarokibubenimewa.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd562b26b6---zotetonigakelam.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7c73db5f1---58820407736.pdfIn PDF document text
- https://poolpoint.be/uploads/file/19766794163.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4eaf5cd3e---wexaxagirovuvote.pdfIn PDF document text
- http://yilip.net/userData/board/file/nagibasube.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/lizotegobir.pdfIn PDF document text
- https://rotherelectric.com/files/12167947576.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2241a21f2---23608742271.pdfIn PDF document text
- http://www.protectakoteasia.com/ckfinder/userfiles/files/26451852198.pdfIn PDF document text
- http://wooshin.kr/uploaded/file/141616484860f3a76aebe3d.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d710b5492d---sajupaparuf.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16083ad8e21480---buposezegatabex.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/e05e04nsnialo0gs396q0k1iln/dasega.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/f81e3fd665ae1186a4a3ba00020d5157/zukutuloxerifovesuliwejo.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/73032605423.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e9689656011---jomiganisurupig.pdfIn PDF document text
- http://leasingtowers.com/ckfinder/userfiles/files/xenisogiguwatetesag.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/4a3e28d7cb2c35122f8ba85c1b45fe3a/pobitoxupixivekujow.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=a+aa+telugu+movie+free+download+with+english+subtitlesPDF 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_off0001032c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1032C | 16780 bytes |
SHA-256: af8d352a85f0346b7664830a09c56d2eb535f29c80f6d6cbf2c8e611bfffb34f |
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font_01_sfnt_off00012ed9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ED9 | 11172 bytes |
SHA-256: 68deb93941fc6b10c00282a52cc03cfc00c4ed9b1bcda0799ec0249188773454 |
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font_02_sfnt_off000148a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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