MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with many URLs pointing to potentially compromised WordPress upload directories or disposable hosting, suggesting an attempt to distribute or host malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://secolink.sk/userfiles/file/panigujinem.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a59a2472f0d---vazisil.pdf
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/jidofibupigad.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080baffbc4d0---bemizijesisapo.pdf
- http://robertoantoniz.com/resources/original/file/nabamoku.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16086b04471e26---81740652441.pdf
- https://kede.org/userfiles/file/42308182450.pdf
- https://podereilmontaleo.it/writable/public/userfiles/file/33113693376.pdf
- https://latework.cz/soubory/nelasadimusizunu.pdf
- https://lawyerupsmart.com/tempimg/file/gabolasapojamusowazivim.pdf
- http://eltonltd.ru/sites/default/files/uploads/58320891672.pdf
- https://valenciamaids.com/userfiles/files/59834395796.pdf
- http://babamoleskine.com/files/file/50347360985.pdf
- https://skinrepublic.vn/webroot/img/files/68544020757.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/91irn9p9lil2s122av05epqek4/guzujapudepibifinebozup.pdf
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/e2fe8b0f7d3717e6a5a1b80f82d4b704/17869208127.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b46a82426b2---zenitizovukitadofisole.pdf
- http://thefjordbaklawfirm.com/clients/876731/File/vodofoxoluxaz.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/2029fac481cf802283189be68b252da7/jirov.pdf
- http://partnercable.hu/files/gazabokida.pdf
- http://gtshotel.it/images/file/76742613559.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/da0fdd14eeb396a25791827717e078bb/41832044028.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=movieflix+300mb+movie+download
- 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_off0000f7de.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DE | 16792 bytes |
font_01_sfnt_off00010ff0.bina1c5a4e878edee3a8b107cf384c9af0c043a53f8a56c639116b6dba78d8c1f4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FF0 | 16816 bytes |
font_02_sfnt_off00013bb7.bind46f512e28e580b82ad7bbd16b7dac38566dc81eeff767b94a776a69b8cb9544 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BB7 | 10832 bytes |
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