MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, a common technique for exploiting PDF vulnerabilities or redirecting users. The heuristics indicate a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e557491edb0---87378164415.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/5317e209d46405510f5071b9bc81fb52/32148807614.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609860d7acd4f---rotipinadebenex.pdf
- http://aquamedia.cn/ckfinder/userfiles/files/77749786047.pdf
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/jujolafanulutogob.pdf
- http://startmatbaa.com/userfiles/file/58015036309.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e65da6f38c5---kofidugomavanolinupewik.pdf
- http://thankschicken.com/uploads/files/dujirako.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/d1da694381a32c6bd2c454470fcbd313/41032731105.pdf
- http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/seradin.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/vn4nl87iu2enn43ujqipkg34v0/74632885714.pdf
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1626381888.pdf
- http://ranagro.com/files/niruxaviv.pdf
- http://immobiliareborghi.com/userfiles/files/87929621280.pdf
- https://goldenapp.net/file/89359583344.pdf
- http://homespakistan.net/magzine/uploadfiles/file/dufadefefovoret.pdf
- http://goref.ru/files/file/15904262553.pdf
- https://media-get.ru/userfiles/files/36661864951.pdf
- https://watosaphotography.com/app/webroot/userfiles/files/20210804_151742.pdf
- http://thrifty-uy.com/files/others/83417472474.pdf
- https://smartcirclegroup.com/userfiles/file/22999455718.pdf
- http://richiefamilyreunion.com/clients/7/7d/7d03816b951c94fc7c065ced7c7ccdcd/File/55990669784.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=find+the+area+of+the+shaded+region+if+pq+24+cm
- 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_off0000d286.bin141e08a191ab755e2b82a7c2c6a3c1c3f1b2c8cdc351d7b2ae024ae2422a27a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD286 | 16504 bytes |
font_01_sfnt_off0000fdcf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDCF | 16792 bytes |
font_02_sfnt_off000115e6.bincd4d9cd5539f5a0481a0a151d66b67f0a71c72b40731e3f5668891d6258fce75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E6 | 11340 bytes |
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