MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by an ML classifier as malicious. It contains a large number of links, many of which point to compromised WordPress sites, suggesting it functions as a link farm. The primary purpose appears to be redirecting users to external, potentially malicious, content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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 https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610df33beacc5---20613289296.pdf In PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/098d2422f611250d2f8d5de3de35c541/bujemasotu.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/bafewumamarupubinafavap.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/aebf0d2bdf202c427c77d4005bf12d92/wunuzonifapitujuvedixe.pdfIn PDF document text
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/rarizivu.pdfIn PDF document text
- http://zamokugrofa.sk/admin/fckeditor/file/93781458602.pdfIn PDF document text
- http://gzcaifeilai.com/ckfinder/userfiles/files/202109022034348271.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078c9da730f8---fomokepuw.pdfIn PDF document text
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/f6c884cbc9b721ecf78323ee9ca5621e/debiximopukifexamemuza.pdfIn PDF document text
- https://appvid.eus/userfiles/files/66023091663.pdfIn PDF document text
- https://dineflon.com//files/gudasilaxitezukuwavel.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/93865514954.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/c8a8d2c595cad8c112b4fd7a478fa53f/minumupatutibigoreti.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75125185ad---93747268833.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e973de49158e75cd20294fb9ad90f0b1/56242692982.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/68555377177.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/26vp0cud0inspnh5eeub22ds2u/45917446949.pdfIn PDF document text
- http://rocb-ap.org/file_media/file_image/file/xosafoga.pdfIn PDF document text
- http://hyswimpool.com/userfiles/17267330258.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160858486dfce8---11635095016.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=decimal+shading+worksheetsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- 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_off0000db72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB72 | 18092 bytes |
SHA-256: 054014cbd8a387ed52491141b468106eef4d8105381848c93874c4ba8e70b464 |
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font_01_sfnt_off00010aa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122BA | 10996 bytes |
SHA-256: ea6a9411f78fcef69939654f25b6a065b9937fa52d42d4d8156a776242f1a881 |
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