MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the PDF structure strongly suggest an attempt to deliver a malicious payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4250
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/b8dc3ec457cb723f199630c1a5e496f4/zamaparewigogubagefikodo.pdf In PDF document text
- https://aspit.ro/imagini_ws/tatogi.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-4-30/20210430031109737564.pdfIn PDF document text
- http://mamtomchabahai.com/uploads/files/files/topej.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/adpu1003javk3mf3k65dvbukr5/85652752899.pdfIn PDF document text
- http://aggengr.com/uploads/CMS/file/28283726980.pdfIn PDF document text
- http://vorne-sitzen.eu/pcms/content/file/98374061431.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/ba164a081bf6a350960dc6e49040d540/keloxujerobewuxosoriral.pdfIn PDF document text
- https://ctsgroups.asia/images/file/zibafakimiwewezategug.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/3td8sim2n6j1m1d6tkvh6f1hgk/rotefometuzinumeguz.pdfIn PDF document text
- http://csc0898.com/userfiles/file/20210723104554_v8rn5w.pdfIn PDF document text
- http://cornucopiafrederick.com/uploads/files/85852597554.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/89f14e1a439c6aa90ea149540fe9ea9a/29715179392.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b4be4e8892e---gobanowirus.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/tdcj5rvr68ms3351oqsbps0vm2/sozuvubevaxub.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/65357290626.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/22323571150.pdfIn PDF document text
- http://metrominicabs.com/survey/userfiles/files/pasotuzoxixarifovebunowa.pdfIn PDF document text
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/a55511c9e1000dd8bb09b6f5502ba83e/38521240229.pdfIn PDF document text
- https://kurishupally.org/userfiles/file/10450740319.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/mususetemexuwoxuturitubuz.pdfIn PDF document text
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/dozabetedulitanasenuv.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d97efcb0866---38824801756.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=prosodic+systems+and+intonation+in+english+pdfPDF 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_off000113a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A6 | 19700 bytes |
SHA-256: 5cbfef3cf046108cbf83c78823e9843c06213d77715c053812ca17f3011633f5 |
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font_01_sfnt_off00014792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14792 | 11184 bytes |
SHA-256: 531229c9a92db326d47f17143e8da6059027ed10f5a566f5e958c41941dc0b43 |
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font_02_sfnt_off00016163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16163 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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