MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to compromised WordPress upload directories. While no scripts were explicitly extracted, the presence of external links and the overall detection suggest a phishing or redirection attempt, likely delivered as a spearphishing attachment.
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 https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607424f522400---subukovoku.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16094bc43e6a2c---fatatevikezolodasonal.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32a4abd470---11640382578.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/f5e98fc9d47aab36a68468f646559cda/30683782794.pdf
- https://unserbiokorb.ch/userfiles/file/rilegemobokadigedaniv.pdf
- http://www.jindatunnel.com/up_files/file/76702149609.pdf
- http://agnieszkapawlik.com/userfiles/file/denime.pdf
- https://alternativecarrepair.com/userfiles/file/wodifabel.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/dc36582830585b2e6fd98b95a76d932e/65200072365.pdf
- https://mytopics.it/uploads/file/99180160579.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5955de7e1---dizajunuxa.pdf
- http://asustainable.com/global/file/1906058804.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4b8ef1c3d---43643150330.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/66879e0d24a644e703bc1fb21df0e86b/13211620577.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/325ccfc8a196e5df0fd93320411202b2/nobaruji.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/f2def5b5ab512184fcc65ec379959fde/masaluvobo.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160822763a438a---dagofoginugeduluboletaje.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=adventure+time+huntress+wizard+x+finn
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d979.binb38770dbd8927bd37a914c5aff6bdd326e8590727355a1eba4699520162c6b85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD979 | 5144 bytes |
font_01_sfnt_off0000eade.bin35567e3e2a8ef000e05d07cdff70970cfffe15570176bb1f18935139df3df5e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADE | 10564 bytes |
font_02_sfnt_off00010e8a.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E8A | 4324 bytes |
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