MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised CMS upload storage or disposable hosting. The heuristic firings indicate a link farm designed to redirect users, likely to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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=dual+clone+apk PDF link annotation
- http://hpcad.pl/Upload/file/14311118659.pdfIn PDF document text
- https://tessuno.com/upload/files/6153d6343b5b7.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021090903494573499.pdfIn PDF document text
- http://sjccgy.com/userfiles/file/2144795854.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/wakudabenif.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210905_872F64EFF65A2E8C.pdfIn PDF document text
- http://energywork.pl/userfiles/file/bukefidozonoxed.pdfIn PDF document text
- https://ccar.host168.com/data/fckeditor/files/murujilimemowuzaredu.pdfIn PDF document text
- https://songhong.info/userfiles/file/3486513785.pdfIn PDF document text
- http://alvitraders.com/files/wototubibabibitamelogale.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614f128769e52---42404459184.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210919112417.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/pijom.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133dd4bc128e---mabomeluwuwuxi.pdfIn PDF document text
- http://oldstat.ww.tj/img/file/vuwabaxugidokukib.pdfIn PDF document text
- http://csc-021.com/userfiles/file/20210930153305_443jcn.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a1930fd05---kolameta.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161421a5585674---vupulobepur.pdfIn PDF document text
- https://coherence.cz/userfiles/file/2958199663.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/virexigefiwagakamefijowo.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/pixuv.pdfIn PDF document text
- http://1night2daytour.com/ckupload/files/56969002481.pdfIn PDF document text
- http://maimungkorn.com/UserFiles/file/xupod.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_off0000b57f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB57F | 10104 bytes |
SHA-256: a2b8da89d09cfa2b0a9184d7181bf20f3c3f8dc2e328faf8d927db683ddab41c |
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font_01_sfnt_off0000cc22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC22 | 22324 bytes |
SHA-256: 895db4acfca5e29bc088be80dbb69464ad528dfa6da99bc1a383a2c6270201c6 |
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font_02_sfnt_off0001046e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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