MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external links, some pointing to compromised WordPress sites. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document's intent to trick users into downloading a password-protected archive, a common tactic to evade security controls. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://juha.be/_files/file/banona.pdf
- http://grandrosso.com/js/upload/files/8606072274.pdf
- http://agriturismofattorialucciano.it/ckfinder/userfiles/files/vozanadej.pdf
- http://thaihotelsale.com/FileData/ckfinder/files/20210703_BD14DCED5941CECB.pdf
- http://cokhiminhhien.com/media/ftp/file/vegipedejarafido.pdf
- https://aglogistics-bo.net/userfiles/file/91210728277.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160811bc7378b0---notubikikapod.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160be76de5a0fc---19544839069.pdf
- https://rosewoodcity.org/nbloom/fckuploads/file/70464251289.pdf
- http://www.cerathai.com/image/upload/File/bodidi.pdf
- https://evermoral.hk/upload/file/1629966114.pdf
- http://venusland.vn/app/webroot/img/files/lobibaxurasivobejuraz.pdf
- https://quangcaowebsite.vn/uploads/files/folikidepuj.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad43a2c2665---rowit.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/qai2j3ld77mbmug3sbqbs28la4/kizisodidofo.pdf
- http://ros.by/ckfinder/userfiles/files/wetowejatif.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/37c969861e210a229bd57a6e48ed6b17/90628911579.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/dcba034c8eaf246d3e7c7359c8ad6e2e/87015722711.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8fbde8966---tuweruzi.pdf
- http://confidenzacsapagy.hu/upload/zewidetusorasuvedir.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161294689bd304---63714117154.pdf
- https://kiaavcilar.com/upload/ckfinder/files/36172073247.pdf
- https://cdmsig.com/ckfinder/userfiles/files/gevejagitubegubukoze.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=twitch+password+reset+email+not+sending
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/1eb660cc86283e7963b4ef70d2b4686d/jukoge.pdf
- 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_off0000d9ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AC | 16792 bytes |
font_01_sfnt_off0000f1c3.bind93125ad61fca954dbb22ffef5a07d0755590a868107f1222b6b8962ff8c19ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C3 | 11008 bytes |
font_02_sfnt_off00010b11.bin13237c1b646df2660334d8e5b6c3a3fe74543a8eafe80adb786e8608c3d17784 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B11 | 17788 bytes |
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