MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://sevenhillsgroup.net/ckfinder/userfiles/files/4737299514.pdf In PDF document text
- https://tonthephunglan.vn/upload/files/95642037711.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/96829512148.pdfIn PDF document text
- http://phrabat.net/UserFiles/File/dapodobepemekokevokexigex.pdfIn PDF document text
- http://harissarantis.com/userfiles/files/36277020851.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145156ec528c---lifukup.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/23833987948.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4c4a8b718---48307680562.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1613689945866b---83241419780.pdfIn PDF document text
- http://happinessgown.com/upload/users/files/vufuxugusad.pdfIn PDF document text
- http://eva.am/files/458658445f907fc6.pdfIn PDF document text
- http://ritadas.in/userfiles/file/23157611737.pdfIn PDF document text
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/gedexefedetaxuge.pdfIn PDF document text
- http://achilleferolla.it/userfiles/files/zowavawojulerunexunoto.pdfIn PDF document text
- http://thuexe7cho.vn/upload/files/74372643564.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/58457485035.pdfIn PDF document text
- https://krassimirtaskov.com/userfiles/files/gunagoletuk.pdfIn PDF document text
- https://vienhung.com/webroot/img/files/fexutarelaxavex.pdfIn PDF document text
- https://gym-rectif.fr/ckfinder/userfiles/files/dovuxetisilodu.pdfIn PDF document text
- http://recrute.fr/files/files/57235729019.pdfIn PDF document text
- http://drivingtesttips.ie/fckeditor/userfiles/file/67104928429.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1614538f3c448d---torogilifan.pdfIn PDF document text
- http://tourgrodno.by/images/content/file/47990812253.pdfIn PDF document text
- https://yukkumpulgroup1.com/contents/files/74063099496.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=last+night+putlockerPDF link annotation
- 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_off00012493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12493 | 19532 bytes |
SHA-256: 25c0d4b0a4252aaac99358a53bfe470d1385cc8cc21856ca33a520a93fda0bdf |
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font_01_sfnt_off00015764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15764 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016f7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F7B | 10804 bytes |
SHA-256: 7ebb93aaa2e726e6bd985c826dae5c3301674056bd28ee994084131451a83f98 |
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