MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. Heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable hosting. The embedded URLs, while some are marked benign, are part of a larger pattern of redirecting users to external sites, consistent with phishing or malware distribution tactics.
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://hydrem.ru/images/file/18885312357.pdf In PDF document text
- http://titadoorbinhduong.com/upload/files/56163617238.pdfIn PDF document text
- http://babamoleskine.com/files/file/xidijopox.pdfIn PDF document text
- http://taispacedesign.com/upload/files/86670706821.pdfIn PDF document text
- http://safarekhoob.ir/basefile/safarekhoobir/files/gukometujamexug.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312691b8d98---makotizuwimemebovixeg.pdfIn PDF document text
- https://premiersuli.hu/files/files/fizazufisuvo.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e2f4353c7---famuribuwewubin.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/wekokudakun.pdfIn PDF document text
- https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/93487835870.pdfIn PDF document text
- http://lucchetta.net/userfiles/files/94073202282.pdfIn PDF document text
- http://studiostocchi.eu/userfiles/files/lutinax.pdfIn PDF document text
- https://uangraja.com/contents/files/xupob.pdfIn PDF document text
- http://gamboeng.com/assets/ckfinder/userfiles/files/nowilotikeze.pdfIn PDF document text
- https://dsverano.com/UserFiles/File/pugubas.pdfIn PDF document text
- http://kcde.kr/userfiles/file/vifedezokam.pdfIn PDF document text
- https://emtracing.net/userfiles/file/56048749890.pdfIn PDF document text
- http://magic-mugs-factory.com/uploadfile/files/66030636771.pdfIn PDF document text
- https://anhhuynoithat.com/asset/files/famasususera.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090602204373499.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138c4b9c3857---77945439219.pdfIn PDF document text
- http://specimport.by/files/files/zosikunozixojuwezixovi.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/mudosojonilasawepotaduser.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+set+alarm+reminder+in+androidPDF 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_off0000e682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE682 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE94 | 18160 bytes |
SHA-256: f470766510c3cbe70734a9ed338e2b99dcd9f3c987f294f7df341b9ee2ea9af2 |
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font_02_sfnt_off00012e83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E83 | 10484 bytes |
SHA-256: c7258a31d3bdefde15526813bc9f9731e6ca7ee6312315d6b3bfb5bd5a29bfc3 |
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