MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, indicating a phishing or scam attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of numerous external URIs and link farm heuristics confirms the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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 https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/8ed85726fbc03c91fb15f4df5a76253c/73161480321.pdf
- http://brilsports.ro/userfiles/file///80682046682.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/3vjpdi79cnbtee59qbn2e311s7/zobidimibop.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fbc562ddc---tebinulubakoda.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65947d1ec8---83093041214.pdf
- https://avenue102.com/uploads/file/fadekuxodig.pdf
- http://woorymart.com/userData/board/file/7317642717.pdf
- http://banghetretunhien.com/media/ftp/file/52761896920.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ce9c4cefd---jozeliwojifavepuzuxor.pdf
- http://pension-erlkoenig.de/img/editor/file/42938339771.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb6f99ca3f---depajoz.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607394cf216e4---jodojezidomisu.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e67e2a79ad1---bewagejenosenepaxinum.pdf
- https://hojoairport.com/images/file/ragip.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160773f0d38661---jaburo.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160f1a45695f5e---sepoxajugalokezuwuviga.pdf
- http://ubest.ru/images/file/84838670279.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7993a95d2c---nazuduzaxixoxe.pdf
- http://beiks.info/public/file/dudam.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e66cc36f2c7---difiledikexopi.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a459c4c814f---sonefagabilak.pdf
- http://albino-pitti.com/pub_img/file/xetufezitaxilosab.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b063b29dc02---koxuxevowi.pdf
- https://summit-christian-academy.net/scauserfiles/files/gobogifomejatuvezu.pdf
- https://bistakalikotenetwork.com/userfiles/file/22189326246.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=formulas+de+derivadas+exponenciales+ejemplos
- 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_off0000ece1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE1 | 16792 bytes |
font_01_sfnt_off000104f8.bin9fec07299f6f7323b6a1d38dceae05fb570853bd22008f724369d11e7ab468f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104F8 | 10952 bytes |
font_02_sfnt_off00011e45.bina7e1aca8ebdf9fb1270519fb9ff309a0705e0f310833b125abca1080bfc73f8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E45 | 18584 bytes |
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