MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, indicating a link farm designed to redirect users to potentially malicious sites. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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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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://drivescuolaguida.it/userfiles/files/gotarobijodejugugudikeniz.pdf In PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/vh0preeof8kbkps556g6vqfgt4/wuxek.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/c2900be4e35f6f2282a9e666edcc9360/saxepemotizuzapuji.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/roxuga.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607e89224b824---48749644507.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed01b75356---11338889082.pdfIn PDF document text
- http://asv-solnice.cz/_files/file/kobawamobidasirusagona.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/d064e48661d3a092948b949be9d24f58/45886205960.pdfIn PDF document text
- https://middletonchambers.com/ckfinder/userfiles/files/19692706129.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/33702530295.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/wekujibosimunalef.pdfIn PDF document text
- https://onlinendttraining.net/files/wegizisavawibom.pdfIn PDF document text
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/554598e6069fa3ded5e92c2ee9f118e9/ludemurotoraxovokuvofub.pdfIn PDF document text
- http://kamerton.nl/clientfiles/pobakisugiranuvoze.pdfIn PDF document text
- http://studiovalecchi.it/userfiles/files/61679545538.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/ravisosekizezojot.pdfIn PDF document text
- http://wyadonline.com/userfiles/file/melomexijasaji.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/vekofapetum.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a148610b14---46874504930.pdfIn PDF document text
- http://tischtennis-kiel.de/images/file/xamopijufopeg.pdfIn PDF document text
- http://lhs75.com/clients/46937/File/zesesojopipugedubesogirul.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/35645854769.pdfIn PDF document text
- https://artbynela.com/uploads/file/vapibisobike.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/e6b5e586ea1d408a63a8f1866ff88c68/dodavimemakix.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/45695967567.pdfIn PDF document text
- http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/lopoximavudalokuvir.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=measuring+worksheet+9+convert+the+measuring+units+as+indicatedPDF 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_off0000d41c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD41C | 17084 bytes |
SHA-256: d64bb877e3e0815f2dd60078a0e4df77eff51aea15147be210115caec1ea8362 |
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font_01_sfnt_off00010037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10037 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001184e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1184E | 11276 bytes |
SHA-256: 3404e3ef6c806636075bc5d30aac4bec61fa5fec76e6aa28fb3a9f9e5b57721f |
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