MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Heuristics reveal it functions as a link farm, directing users to compromised CMS upload storage and disposable hosting sites, likely for phishing or malware distribution. The PDF's structure and embedded URLs suggest it's part of a spearphishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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://www.waetsukai.jp/system/ckfinder/userfiles/files/98083385191.pdf In PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/3993426239.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/58583352d8a2897e66a55246abf44820/duketizonofarudejir.pdfIn PDF document text
- http://toptoptraining.ru/img/upload/file/mekuzulamakevuvew.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160903268b9d11---lager.pdfIn PDF document text
- http://yksskj.com/ckfinder/userfiles/files/78014771616.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e0fe7e847---temov.pdfIn PDF document text
- http://ideviceplus.nl/app/webroot/files/userfiles/files/kususeb.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ae318d6b8e0---pekomudafekafaxuzilalanug.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/626005e7ebc5f7b1bed191e69c804ad3/83232980477.pdfIn PDF document text
- http://fw-simple.com/uploads/files/zuvitedofuviruwezadi.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/butujoz.pdfIn PDF document text
- http://ghettaetamionarchitetti.it/userfiles/files/39048504524.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/14368638195.pdfIn PDF document text
- http://klaaswester.nl/img/file/2937219399.pdfIn PDF document text
- https://jnvhardoi.org/ckfinder/userfiles/files/jamunidapoxedesulo.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/6tlv4b98il9hghkea8bos239f2/35467671030.pdfIn PDF document text
- http://suachuathietbi.com/upload/files/pokikekijepaxisegusune.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/wopasusa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=manuale+d%27amore+streaming+film+senza+limitiPDF 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_off0000d9d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EA | 17824 bytes |
SHA-256: 1d3152b3d7dc6b04095b931889f61d3c96f76dc333d025a62dcd813c87aacb0e |
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font_02_sfnt_off00011fb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB5 | 10884 bytes |
SHA-256: 06bd7d23ca9c95cdb092fc880ef1edf9f1fc9e4b284c06bd27baca0b4e901924 |
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