MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites, which in turn host other PDFs. This behavior is indicative of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly support the malicious verdict, suggesting the document is designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe6d2ddef---67082208571.pdf
- https://avigailpekelman.com/sites/default/files/file/27353379539.pdf
- http://thedewakohchang.com/image/upload/File/9541984595.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/nvau5bvtjsigihcfsbifnfm8q1/lixedinadawixogi.pdf
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/b8a3df361ed1e0c1de1514ace048c42c/95278600947.pdf
- https://hkparkkonutlari.com/image/files/83713568101.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/d70eb451b0000b3c453c1d0ec5a2e76f/dufanebu.pdf
- https://lee-trading.tw/archive/upload/files/20334852840.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/66ae957e4bde70be5240e3d9fbfd84ac/zemixawolumulapevixuf.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16084b04b221da---sedukikakemalot.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/vphqg3t7vl138amev2s11ob00f/munorulutapixugij.pdf
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/61e70f274e3b278cc8deb33fe646b7be/49049678697.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16078ce876d656---38497703289.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9afbe2dd7---2325958549.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/b044299bb34ef1d8893a29f3b33f8a63/53538058102.pdf
- https://consurs.ro/ckfinder/userfiles/files/pupomapojatelapatovimiz.pdf
- http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/zowexenuvezowogukef.pdf
- http://jpind.pl/userfiles/file/7152519434.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/godg2m48dc84pec4h7kfo23co6/jiladiwerofupozesanowoj.pdf
- http://studiolaviano.it/userfiles/files/46924901370.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160906501c0ed2---5883981557.pdf
- http://nuocmambason.com/upload/fckimagesfile/7bad232f503d7d8070dc44e2bfdc6970.pdf
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607014b8e62f1---rilujo.pdf
- https://nasikampung.info/contents//files/febaxene.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=notches+crossword+clue+5+letters
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c978e5bac3---48207261629.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_off0000fa95.bin9d438d5ce4615152d92748a34d6167dc873ff56803cb3a573dcb46ce45be512c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA95 | 18108 bytes |
font_01_sfnt_off00012a6f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A6F | 16792 bytes |
font_02_sfnt_off00014286.bin0394a0d311d869e627916a97eadc940c9167bf62777f027f4105eeb45bdc8b91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14286 | 10404 bytes |
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