MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The heuristics indicate that this JavaScript likely redirects users to a link farm hosted on compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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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://ventiliatoriai.lt/js/ckfinder/userfiles/files/91846486970.pdf In PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/1242777905a517be6fff2d86bc4ab7d4/nizuralinedobozak.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/3f0d9c789fb408e143978d9545518d91/fesetudilifukowu.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/8891248429.pdfIn PDF document text
- http://ghgunclub.com/clients/f/f3/f3036db30fa8ed97f94f648fc77c1040/File/bapasonutosomonupanolime.pdfIn PDF document text
- http://connectcontrol.net/files/userfiles/files/rudekipujasedezez.pdfIn PDF document text
- http://ahdjcm.com/upload/files/40134275180.pdfIn PDF document text
- http://meuble-tunisie.com/userfiles/file/98023434874.pdfIn PDF document text
- http://mimpiindah1.com/contents//files/10083866230.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f536d6dd88---tupikebosesilibiwosevitog.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/sulazemo.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c8d65991b3---zopepadibaxebaz.pdfIn PDF document text
- http://austria-ex.com/images/blog//file/24983433194.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/ad1d2f2838850d1df712cbefcd63460c/lanikemopilirubo.pdfIn PDF document text
- https://houstoncoinclub.org/FCKeditor/file/2848289673.pdfIn PDF document text
- https://clumba-indoor.ru/files/files/pogejodex.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/99387816915.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/vipuv.pdfIn PDF document text
- http://www.puhito.hu/uploads/genexukebirizuwifazeguno.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/6457ac6ab16f320b6786741cc8cafa05/rivizikexavuzum.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecf1d9e716---tuwazipuzokamoman.pdfIn PDF document text
- http://iact2001.com/userData/board/file/tamubavesizezakif.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/safup.pdfIn PDF document text
- http://sun-eko.eu/files/file/pedixe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=inter+1st+year+english+grammar+pdfPDF 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_off0000cbc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBC8 | 10940 bytes |
SHA-256: 6cbfb0e3de0c52bc89276f83721567d95dd2c5da4cb1fe740828d9e5fe4f9797 |
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font_01_sfnt_off0000e4ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CE | 17780 bytes |
SHA-256: c25cddd7e6c60135c8019afb4ad8ee88e894f22c51bcdea7a7b8d0e2486b7f3c |
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font_02_sfnt_off0001130c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1130C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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