MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The file is a PDF identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a tactic to obscure malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://harckocsik.hu/userfiles/file/8086613783.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc16888175---25546863680.pdf
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078dc7ab2e4b---nefisijezevowam.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/1a96ddab8d065fca3bfa060f64636b16/12850379976.pdf
- http://langyupharm.com/upload/files/fusabotasatovujevom.pdf
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/380ff0c5dbe1d1574d97a80a63bc67d5/kibelekugob.pdf
- http://ambcavallon.eu/userfiles/files/disajikuku.pdf
- https://propactionvehiclesuk.tv/userfiles/files/59635204594.pdf
- http://www.kowel.com/ckfinder/userfiles/files/1626118061.pdf
- http://longthinhphat.net/uploads/files/74298818033.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/jd1t97u70p8vvhekr22nmujepb/wuwug.pdf
- http://podlahyadvere.sk/editor_uploads/system/files/58329722999.pdf
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607369c9d1f94---xumarafakisubojenigo.pdf
- https://llsindia.in/FCKeditor/file/pizodulofati.pdf
- http://lyshiying.com/d/files/rogelotiromemufovewiwoto.pdf
- https://kingwrapcarspa.com/upload/files/91395943258.pdf
- http://avanti.pl/userfiles/file/54188001063.pdf
- http://www.ortodonciaelisafarache.com/ckfinder/userfiles/files/9979354885.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081cdd68d075---nenogogobajabimom.pdf
- http://abwmercury.com/uploads/files/9075119074.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/ava6b8fbvjn30lot381rfk0bu2/64859118449.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/cceee2aa64519e9e70ffdaebbd8400b0/43556665046.pdf
- http://namlongprojects.com/images/uploads/files/diranugamugekopovoruno.pdf
- http://rapet.hu/files/90843090519.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=free+interlinear+bible+pdf
- 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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bc81.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC81 | 16792 bytes |
font_01_sfnt_off0000d493.binead80ec9a4ea8072aab25b624422d7776b3bc0388197eadb299f67fc748498c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD493 | 15544 bytes |
font_02_sfnt_off0000fbdb.bin1e26bce6bd23d0d3b53e0f21f378af420e893741a9d3b3bc342f5aa1c7040aab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDB | 10320 bytes |
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