MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by a ClamAV detection and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The presence of numerous unknown URLs suggests a broad distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://godsownproperties.com/userfiles/file/fagiwifogarij.pdf In PDF document text
- http://thuexedanang247.com/uploads/image/files/bununo.pdfIn PDF document text
- http://efuturesthai.com/uploads/file/zaximexujeb.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/17369783215.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/lufopekowonulenofaxovat.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/gezepalijutezixizadexaga.pdfIn PDF document text
- https://cornwallstaffagency.com/userfiles/file/wetom.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313388c4e1a---sisamokutogisazikobadu.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/86730946801.pdfIn PDF document text
- https://buka.ru/sadm_files/28125736190.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/pivikabirudixitanapumu.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613d440b1d87f---84655566602.pdfIn PDF document text
- http://caratow.eu/userfiles/file/japipoxitodutum.pdfIn PDF document text
- http://greathorserider.com/ckfinder/userfiles/files/68074349625.pdfIn PDF document text
- https://fertilizergranulatorprice.com/d/files/65667081217.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/87489355717.pdfIn PDF document text
- http://rund.cz/UserFiles/File/riwepuguwobunopazekekafiv.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/c034fbf6e0a27467a061506acd8595ae/fivemer.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/gesuzesinafilukorusuzi.pdfIn PDF document text
- http://shop-exclusive.cz/userfiles/file/bubatitafubidadudejos.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/17960428619.pdfIn PDF document text
- http://klawiatury-foliowe.pl/_data/file/11593557749.pdfIn PDF document text
- http://wedooverseas.com/userfiles/file/bubopuvagetibej.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=harry+potter+theme+song+violin+sheet+musicPDF 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_off0000ece7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104FE | 11092 bytes |
SHA-256: 6171917e293cb19226efd66dcdecdd6f2ee0b750479079c6e65f75fba8ff58e4 |
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font_02_sfnt_off00011eb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB7 | 18296 bytes |
SHA-256: 72afa9dcd2913ec39b872f80877f4323a0bd561b8a0f2714f6581bcf46079091 |
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