MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to various websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://cructi.ru/uplcv?utm_term=manhattan+gmat+books+2019+pdf PDF link annotation
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/sfkc5m7bn3e4bljdhnbme3j7od/36328448720.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-5/file/62143892034.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/pjc3p3e9hbmgckc2spt3j22eln/931768340.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/eedhdvld8orsvtklqmkn4d45i5/zopifu.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/guvafuwo.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/742ea279cfad37999b653423f19835fc/pinin.pdfIn PDF document text
- http://3e-machinery.ru/app/webroot/filesfiles/71959918967.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/24403423ffd744919f9e973d2afec0ab/xugasabodidivu.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609058583a349---lavotufomudur.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b4a419eaa69f23320ae1cc3754097091/wubanupibumaxokeva.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608bee3973b8a---33481828222.pdfIn PDF document text
- http://reinforcingourheritage.com/clients/0/08/0860c2a235168fe7e4a745c824023bdd/File/sigibexenolebusegepuro.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f81e445c0f---gowogarikovajebenabufovar.pdfIn PDF document text
- http://joyearland.com/ckfinder/userfiles/files/90869191982.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/ea50f48130e8ea5ef5d104604fa63f5f/tosufepoze.pdfIn PDF document text
- https://palcev.ru/userfiles/file/21533142592.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001160a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1160A | 5640 bytes |
SHA-256: 722db70c1cf05f42a6a9b901b47b51705423f8264be7332a6ae78fb7dd73c1cb |
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font_01_sfnt_off00012903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12903 | 12156 bytes |
SHA-256: 8e8422b36eb125f12f8a66c3c464a5f2d6c4be25d70aa2e562bea6ed97ee042b |
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font_02_sfnt_off000151e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151E0 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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