MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS upload directories. These links likely serve as a distribution point for phishing content or further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b22e2845d---tozopowobot.pdf
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16084b810196a6---vekusilerifatiden.pdf
- http://erbamedica.org/userfiles/files/xitifirasivokamirumera.pdf
- https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/vibubemaw.pdf
- http://learningkey.org/userfiles/85964061218.pdf
- https://parklanehotel.asia/userfiles/file/solixowelikigefexisowo.pdf
- https://charterboatdeliverance.com/uploads/files/85245654402.pdf
- http://2222.netsociality.com/upload/files/savolunetutej.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb621e1dad---50068206953.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/n3oib8139fsqjtn94ttfjcfqvv/nozixukeve.pdf
- http://change4best.ru/upload/file/sowowabeduvidos.pdf
- https://datatech-int.com/userfiles/file/77542959508.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eee224b8b6---93227855292.pdf
- https://iieng.org/editor/ckfinder/userfiles/files/66294767987.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/919cbbf7d5425cd340bd1f36facee788/xivofilumuwumosunidu.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed34c41e8b---32294046047.pdf
- http://www.olivier-frey.ch/user/web/file/fidemoboxurifu.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7e1e89a5a---xanufu.pdf
- http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/1t5so2he7iq8ub55tff2o52c5u/59863113975.pdf
- http://iscyber.com/userfiles/files/77208179152.pdf
- http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/73676310248.pdf
- https://stpeterscbs.ca/ckfinder/userfiles/files/borevepad.pdf
- http://akcjonariusz.com/UserFiles/file/mibox.pdf
- http://humanitool.ru/userfiles/file/31227323374.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/d3324d7b628bd0e541859387df065526/vovivuk.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=que+es+divisibilidad+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e070.bine8b493e00c926761b7c5e7b26058071eceb2210753f13dd2b469a0556d27feca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE070 | 19304 bytes |
font_01_sfnt_off000111d3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D3 | 16792 bytes |
font_02_sfnt_off000129ea.bin1d5760904dc7f93fabf9721c12b49ff8df98dbaab7af13bc0b9e054a7621a258 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129EA | 10436 bytes |
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