MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. These URLs likely serve as a link farm to redirect users to malicious content, such as phishing pages or malware downloads. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 https://philabc.ru/uplcv?utm_term=the+moving+finger+agatha+christie+pdf PDF link annotation
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160b78072ed597---26522468766.pdfIn PDF document text
- http://bukharasuwanee.com/sites/default/files/file/97364944378.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/utu2uu4f6620nsl4foarp5t7l4/54951833464.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bda5796761e---21927667827.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/a46c1c4316881afbc918efd6b2d9f0da/sipenoxe.pdfIn PDF document text
- http://builderall.info/userfiles/file/nizonutezu.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16078c75a0f425---dazamede.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cacda5af972---xenunebaxalopidobemo.pdfIn PDF document text
- http://leadershipcareer.kr/fckeditor/_upload/file/15942573022.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607844e4b32c7---nurotun.pdfIn PDF document text
- https://echipamente-scule.ro/userfiles/file/kovejitawigugu.pdfIn PDF document text
- http://aftckwt.com/uploads/file/dipivetubitezoma.pdfIn PDF document text
- http://xn--2vxr09c6mc.tw/CKEdit/upload/files/56422055616.pdfIn PDF document text
- https://air-separation-supplier.com/d/files/xuwiragakikesikuzewilu.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/ktfjbj065r8acvp2huqg2ao7ga/juxoneliwupavuwitiwomudof.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070319758c0f---63846473091.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/2547479364.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083840b9d9e6---77057821180.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/h4d1rr6seu6g5shvipkveao883/64365274423.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/92999517323.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/236eecee0526b1f94ce25f3cfba5dc24/muwitebubaxux.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/24110600550.pdfIn PDF document text
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/d7832860082559eb741dced5db1c95ff/fevawiribujalofixur.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16099ea58d687f---91617526595.pdfIn PDF document text
- 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_off0000c522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC522 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD34 | 17352 bytes |
SHA-256: 404fdb762ba104c465936b0597f047eb8ec1ebb541a62c204929fa0f6a3d5836 |
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font_02_sfnt_off000109a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109A6 | 11048 bytes |
SHA-256: 9754c0e4ef846fdf34c7c195a4ab48e9970ad79a4a5be02b8aaf7ae5a5b09840 |
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