MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to redirect users to potentially harmful content. The presence of compromised CMS upload links and disposable hosting further supports the phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://synerhu.ru/uplcv?utm_term=english+to+bangladesh PDF link annotation
- https://servauto.fr/img/user/file/28559002120.pdfIn PDF document text
- https://aalatour.com/basefile/b2caalatourcom/files/99854919143.pdfIn PDF document text
- https://badeluxe.com/userfiles/files/40545848647.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/u4p2lngdr5gqqfd89rfbmr97t4/41122309202.pdfIn PDF document text
- https://bevasilicones.in/userfiles/file/xiwisi.pdfIn PDF document text
- http://bakineshr.az/ckfinder/userfiles/files/75713183782.pdfIn PDF document text
- http://datcat.vn/2018/file/debuwomaf.pdfIn PDF document text
- https://transdeliveris.lt/userfiles/file/sanonevi.pdfIn PDF document text
- https://indiachristian.org/uploads/files/344856665.pdfIn PDF document text
- http://iccjsc.com/images/uploads/files/93314882222.pdfIn PDF document text
- http://azbuka-d.ru/ckfinder/userfiles/files/79267573752.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613a481500bf9---vuxulutubojadaduka.pdfIn PDF document text
- http://justsayhi365.com/uploads/file/89644233700.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/3b514ff3ae9e4edc101b952e8c994a41/pefifovatumezeviziso.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/fiduzaxunufibivizam.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/jitazan.pdfIn PDF document text
- http://ventensis.lt/public/ckfinder/userfiles/files/podalojajawun.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/gibavetiv.pdfIn PDF document text
- http://sfalojistik.com/userfiles/file/82996477994.pdfIn PDF document text
- http://thepokewave.com/uploads/files/xijimelasuzew.pdfIn PDF document text
- https://namratalakhotia.com/userfiles/files/40228612194.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_off0000e48e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE48E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fca0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA0 | 18372 bytes |
SHA-256: 63f6c5a745417f595b4a3075ad15d7bfa10b06da64b226656974e2bf84ee4b83 |
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font_02_sfnt_off00012c35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C35 | 10548 bytes |
SHA-256: 6cf4e8062e9b244a724c29471fca3c5eb730203bc2f82fcb2c7c78262f6a27ed |
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