MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
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://oniceh.ru/uplcv?utm_term=expedition+to+castle+ravenloft+3.5+pdf PDF link annotation
- https://termokingbt.com/ckfinder/userfiles/files/womalisefutikupudixonako.pdfIn PDF document text
- http://instit.ac/ckfinder/userfiles/files/xomofidiwotekajepe.pdfIn PDF document text
- http://mybed.tw/uploads/files/202109080722004223.pdfIn PDF document text
- http://state-lithium.com/upload/files/sakiwuwos.pdfIn PDF document text
- https://indiachristian.org/uploads/files/50033167857.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16139c4c21c643---95228923004.pdfIn PDF document text
- https://gkatsov.com/userfiles/file/38956138241.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342508ec2ca---xonagizotaxufuzelovogago.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613434bf4f582---juzosu.pdfIn PDF document text
- https://go2germany.ru/files/file/fepef.pdfIn PDF document text
- http://megalabsrl.it/userfiles/files/sujotonofin.pdfIn PDF document text
- http://twilaw.com/files/files/raduvudasejozij.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132db473d57a---gelifejurilupemotik.pdfIn PDF document text
- http://dbexpertise.fr/catalogue_dynamique/file/19809031240.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/joluvami.pdfIn PDF document text
- https://adikmanis.com/contents/files/ronujomedowunu.pdfIn PDF document text
- http://wowbond.com/upload/Fckeditor/file/tajedifi.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/7144595956.pdfIn PDF document text
- https://loyallcanada.ca/editor_files/file/zixagadafimozizotex.pdfIn PDF document text
- https://juhaszautovill.hu/userfiles/file/ridunalawokemedadakuku.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/27063306898.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_off0000e30e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30E | 11136 bytes |
SHA-256: efa2a03dae721627083332e247ba9c25e31be00eccae4ffaae09c40cb2489916 |
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font_01_sfnt_off0000fd3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3D | 18064 bytes |
SHA-256: c573308bd23079210b403a60480f789c883663eac3498e235e0a16e767fb7d30 |
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font_02_sfnt_off00012c5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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