MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and a link farm pointing to multiple distinct hosts, some of which appear to be compromised WordPress sites. The primary function seems to be redirecting users through a series of links, likely to a phishing page or a malware download site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0d93abd75b8c6544112857f394095294/62113654453.pdf
- https://liniagdanskzydowo.pl/files/garelokixasudeseber.pdf
- http://longbienco.com/js/ckfinder/userfiles/files/kuserifemoxafodezitijovem.pdf
- http://elcampoeco.org/FCKeditor/file/31241180117.pdf
- http://say-international.eu/userfiles/file/89138020127.pdf
- http://brmxn.com/userfiles/file/20210623063430_tvdbx9.pdf
- https://mimpiindah1.com/contents//files/94573406944.pdf
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/1be1867d66dc60b844ca680428f2c95a/99708374698.pdf
- http://awkontrakt.pl/ckfinder/userfiles/files/247100781.pdf
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608d959fe0e9f---82133625892.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/e0ad5f1f7aa14f707bc2b77f1b18d7b0/35706484201.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bca7d87ea3---52345016747.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/93d2f5cc5e9303cec848d694d01e4d23/gafojonawod.pdf
- http://lorichphoto.com/pictures/file/bebejisazava.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d59ada003---60241218836.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/8ftbngopb1om3oanqs164lqt1t/posuvuwaruti.pdf
- https://egca.fr/userfiles/file/kumofopijiwelizit.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8440b3a092---68701896350.pdf
- http://bbpcosmetics.com/admin/upFiles/2021-5/file/46339448853.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/9f75e54ce7300d5e9f619ac32ff450fb/ritik.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/adbad0a94c07d894e6e39fe30156c0de/23402732669.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/acpkrdgb5hgm4pa51oe7e463c3/jinopemu.pdf
- http://leebyunghun.org/new/upload/board/files/70708610676.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ca6249aac2c---rugowimevanav.pdf
- http://aweibel.com/Photo/file/9545231215.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=happiness+in+psychology+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_off0000f716.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF716 | 16792 bytes |
font_01_sfnt_off00010f2d.bindfea4be4b84bbc433f77d8f0e28ea456e23f84e3ec07a0e1249d25a3503ee760 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F2D | 10804 bytes |
font_02_sfnt_off000127be.bin1092bb865f362b61c7cb3d5267eaeb48c11cc664280f41e5b481a0a152cd4724 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BE | 17420 bytes |
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