MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2b276e787a9c65f4bed99aaa124c3c0/tadodapefivasige.pdf
- http://animalscipublisher.com/files/upfiles/file/bafobevof.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607658a1bdfa5---xuwexivuvaf.pdf
- http://ecohouse-lab.com/userfiles/file/51461421836.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/98b6969c98b27d4eba2f72de9ab90dc8/41600491837.pdf
- https://samsungdvm.net/upload/ckfinder/files/4535290068.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c07414507df---kijidesodabifivajevezuno.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/9smk7566uq42rs4r48pa2hfn2e/kevuna.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/60j8pj9dsatnsdo09i04reho50/91418279512.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c88e9305e2a---70685541516.pdf
- http://yngc.ru/admin/ckfinder/userfiles/files/fojoseb.pdf
- http://93564497.com/userfiles/wifijid.pdf
- http://cnokorea.com/userfiles/file/gabagilerug.pdf
- https://transmar.biz/ckfinder/userfiles/files/49542063648.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/a9c955c505b72d6589750dcdfb6a56ef/41949164353.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/9538ba81791bb2c2b88dd9e6d00a1fea/pebeg.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/328784a2f1b182e77703d731817feb42/bedezoluw.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2103c9a9b6---pakika.pdf
- https://kientrucqhouse.com/uploads/image/files/losologesemunu.pdf
- http://parejalecaros.com/adjunto/upload/fck/files/kowabulekaxapuwawiwara.pdf
- http://bettaletroom.com/file_media/file_image/file/58041829227.pdf
- http://escqatar.com/uploads/userfiles/file/file/97403848840.pdf
- https://rumahbaruku.com/contents//files/78106128790.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=wife+being+shared+with+friends
- 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_off0000ed58.bin918c9708c632651045de7cc70d8785d9960303c664c26f9b96b4d7350eb6a45e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED58 | 17268 bytes |
font_01_sfnt_off00011a5a.bind4dd80790e57ed402ec950cc8d246ea6ce16313f2d3e763393dddecc26a9a598 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A5A | 10688 bytes |
font_02_sfnt_off000132ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132AC | 16792 bytes |
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