MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm directing users to multiple external websites, some of which are hosted on compromised CMS platforms. The ClamAV detection and ML classifier indicate a malicious nature, likely for phishing or malware distribution. The presence of numerous links to potentially untrusted domains suggests an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.6085
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://gidaero.com/upload/fckeditor/file/47833093646.pdf In PDF document text
- http://exlluprimebrochure.com/ckupload/files/57908397901.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///kiwisipivunafezame.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/monifixosanetikotasawa.pdfIn PDF document text
- https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/af1f58c8985ff8da36a7dd4b29fb9ef0/zejopuzasugonovirunagij.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/lpacepj2qgt9tuogpk1sbroob6/losadupagobawodopiw.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6ad460389---zivigonewugajugojake.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/63090763875.pdfIn PDF document text
- http://prochem.vn/images/uploads/files/dujozilofut.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/86063134087.pdfIn PDF document text
- https://theatresaucinema.fr/uploads/file/teposofezij.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-5-11/20210511063231639152.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613380ba59150---68461642092.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1609869530678d---89051715249.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ec651076a---fuzorotuxapasovizajafisok.pdfIn PDF document text
- https://cristalensi.com/public/File/pisodawedugurasamefa.pdfIn PDF document text
- http://farmina.ru/uploads/files/guvulafekapubafisorilixu.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086bcb310acc---warijojanemufanod.pdfIn PDF document text
- http://faxik.ru/ckfinder/userfiles/files/53397245219.pdfIn PDF document text
- http://cabin4kids.org/clients/0/05/050cd0fff5f75fdfd14851583cc0de74/File/kutofapebob.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/28130111917.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/83938277009.pdfIn PDF document text
- https://sabagdasarov.ru/upload/file/76979476743.pdfIn PDF document text
- http://regmac.net/userfiles/files/31943969337.pdfIn PDF document text
- http://bellamy.tw/uploads/files/202108282112368217.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=aberdeen+watch+manualPDF link annotation
- 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_off0000e6e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fefb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFB | 10564 bytes |
SHA-256: 98983f008f02181f36932e2193850ce78358730959435eca52585eb93f4af2d8 |
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font_02_sfnt_off000116f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116F1 | 19004 bytes |
SHA-256: 3f95b3dae6e1185784ccf2fc6ed89de4be1aa8b60a8cb331e8b9da00ac2f91e7 |
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