MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute further malicious content. The document body, though heavily obfuscated, appears to be a lure for downloading software, aligning with a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aebc13dcd96---92971659793.pdf In PDF document text
- http://alibabashipping.com/userfiles/file/60973046302.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/xowalimuxitulexu.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/8628c13240e914ecfa4025f511ab39fb/72766494227.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/7817215678.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/8d6f671824fb380243caade09df5b825/libivutape.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/3mhvcdsrsv2gr3t6i2dtcueoo1/14251445552.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/skastbpqmjh54sh62n77rcmcdd/40302497175.pdfIn PDF document text
- http://mertlakustika.cz/images/pages/file/31033952589.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16079db3a8178c---womodamulerurefosilet.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5f9ef392415b3fadf3782274d7452dfd/71476220364.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/b574e2a6077c4dbaf4e4a66863083cba/76785297768.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/adc70dd6a111476f53d14246b9a5ec5a/pexutopovalasurafupofaxej.pdfIn PDF document text
- https://afayl.com/userfiles/file/wavonafunepufa.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/51eb2db3a4ea622a3e9098ce5c4bd368/91012712053.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/68554614305.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=autodesk+revit+2014+tutorial+pdf+free+downloadPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA8 | 5656 bytes |
SHA-256: 3748ac2b52769eec658b48c28e21afe177990fba557b28a212960ae4aa01d4da |
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font_01_sfnt_off0000df18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF18 | 10608 bytes |
SHA-256: 41541987b8b4de687216dcc54effc2b7c66d120c246dfaafcce31727ee46a8d4 |
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