MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to various websites, including those hosted on compromised WordPress installations. The presence of a 'download button' heuristic suggests a lure to trick users into clicking these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090933d761b9---65673161145.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bd47e0977---78464815479.pdf
- https://abeess.com/userfiles/file/vufasa.pdf
- http://bigredclassof1960.com/clients/879476/File/tosurukazifekatudexefaz.pdf
- http://intertexmedical.com/userfiles/files/saboxukiwe.pdf
- https://menu2uplus.com/images/file/62634507578.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/1agqnfspg4ei68elvet0uk6o1u/mimarexepiduvid.pdf
- http://originalcheck.it/public/img_admin/file///6499695584.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160b9947a048f7---97495721679.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/2e28edd4680136edf08cc2d4cbe2739d/mofawiraxefomopadogitida.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/d336308d5948d32cdf8d6b5adcbcc9ec/verifi.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09a3721e1b---10936875887.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/4ee587d7b97ddd7b0e8ee507949133fd/fijomagatodigoxi.pdf
- http://studiolegaletrotta.eu/userfiles/files/7114392332.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/9a453474b643df2b32c6d21d6cbb71a5/89989277205.pdf
- http://imbirimbir.ru/files/siwedijesak.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a97dad762c0---varatogu.pdf
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6bc51f2d4---9924430818.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/61grcrdffp9mr981jo7mvjbrb3/dudifanosejonirapon.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/828135030f29239c98407602d3b06c7d/66438028725.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16075f6136072b---gesatigefukiremi.pdf
- http://tatugigo.com/ckfinder/userfiles/files/2486772234.pdf
- http://casavacanzesanvito.eu/userfiles/files/9548181281.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=if+somebody+break+your+heart+song
- 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_off00011074.bin2fa9de69a2f9bf9af9623a8f4ca7a6ca160bbf77dc1ea02b90294acb150d44c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11074 | 11060 bytes |
font_01_sfnt_off000129dd.bind82063f16db51f85530a1f6fce0e490468b3191fd87e5c7d829b6e265b84df03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129DD | 16856 bytes |
font_02_sfnt_off000155ee.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155EE | 16792 bytes |
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