MALICIOUS
164
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 disposable hosting or compromised CMS upload directories, indicating a link farm designed to obscure the final destination. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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://gmicropilotes.com/uploads/files/66790086081.pdf In PDF document text
- http://suachuabaoduongmaynenkhi.com/img_quanganh/files/78392565890.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082e90a533a9---79527906127.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8b76490dd---bafelafunoraluv.pdfIn PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/doduga.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da7d0873957---63343690215.pdfIn PDF document text
- http://sevoir.hu/uploads/file/texuzovuped.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/17a4f2ba467cefe8da5b74cbd0038294/66341872080.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ffe6868d2---povarexavajajejediladugot.pdfIn PDF document text
- http://ghalemdi.com/userfiles/file/10595850909.pdfIn PDF document text
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/d1d37ad8556fc9973ff52039f6862fdd/fokug.pdfIn PDF document text
- http://igigeothermal.jp/userfiles/file/79939123132.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/87236148037.pdfIn PDF document text
- http://assistance.uz/images/shared/file/vubivovuxal.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/d400fc257b741c8650fe315802f709fa/viwifaminuga.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ccbc73545f0---6204283525.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1185aa339---14573519292.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/608dd1d8121d517ce2b9277dc2c91684/81078672710.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160968ef4d0c46---puwisesexewafoxilepafuw.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/1973abec0bb72217adbb7017cdda1ff6/tajapujotenozo.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c78771c5e17---gafibiwupovamajegiral.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1609841d6b0484---88792027990.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210501001914371576392.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/bc606bu6s7lt52tottm1074qj0/47001677550.pdfIn PDF document text
- https://rumahbaruku.com/contents//files/52439592334.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=clash+of+clans+cheats+2020+downloadPDF 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_off0000ecf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10506 | 16948 bytes |
SHA-256: 40093dc255f816504ea28c5518e4d8739efb98b458b6947739730900933a52db |
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font_02_sfnt_off0001312d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1312D | 10740 bytes |
SHA-256: d982bc13ac22e198d893a11e3d9e4af9571427f280bd7378543d79eca3e44276 |
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