MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure strongly indicate an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://www.tobywells.org/media/fckdir/file/62423321035.pdf In PDF document text
- http://roomyab.ir/basefile/roomyabir/files/28219167540.pdfIn PDF document text
- https://immobiliareincentro.it/allegati/file/gubolozetinino.pdfIn PDF document text
- http://marikitaberbagi.com/userfiles/file/1756890683.pdfIn PDF document text
- http://aal.tw/uploads/htmlupload/files/77510088646.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/5602607333.pdfIn PDF document text
- http://purofirstli.net/userfiles/file/kasevefukenebo.pdfIn PDF document text
- http://alhouti.com/userfiles/file/suluparupazomamo.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139cead709d6---kuvum.pdfIn PDF document text
- http://globalsublimation.net/uploadfile/files/rukalomasebewabajuxu.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/kubevez.pdfIn PDF document text
- http://zussobrance.sk/grafika/dokumenty/78272649603.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/a2f1771033f2a27452b5107ecfed2442/walonevisafusiximifisu.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/tewozibupokogugo.pdfIn PDF document text
- http://nenkin-t.com/upload_img/ck/files/dulezatene.pdfIn PDF document text
- https://yukkumpulgroup1.com/contents/files/vadopuwizef.pdfIn PDF document text
- http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/tenirabokenidetonol.pdfIn PDF document text
- http://agppi99.pretty-match.com/upload/files/39217119541.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/20ddba345ba759e6df0bc5b09da99d6d/xejatotuzofuw.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/tanumabodixuxalog.pdfIn PDF document text
- http://akiisushi.com/uploads/files/15111669900.pdfIn PDF document text
- https://hsse.hssanesteban.cl/files/17060377318.pdfIn PDF document text
- http://debeight.net/UserFiles/File/vanozupafemapamonu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=biggest+european+countries+by+populationPDF 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_off0000d0e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E9 | 10956 bytes |
SHA-256: 8256420a9fdea05318e348cb75d703b26ccaf5cac30fda3ed067491ca55e8cad |
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font_01_sfnt_off0000ea4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA4C | 17976 bytes |
SHA-256: c4cf6438e7aababbb827eab1bb4f77fc769c7c61b319e1bf65e70d6fa1b046db |
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font_02_sfnt_off00011997.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11997 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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