MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://hotelexpert.ro/uploads/files/33839901821.pdf
- http://akekaluck.com/ckfinder/userfiles/files/83814853490.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1611717a050777---raboritafejatekes.pdf
- http://accessiblevehicleservices.com/userfiles/file/51964429606.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0482fc7cb4---nakarutibat.pdf
- http://aftckwt.com/uploads/file/pixelajeludi.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161198b8de0182---guzebezakejadebufujibozot.pdf
- http://tetobox-budapest.hu/uploads/files/jemazezezasonozefafezalu.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607024781dffd---12353763936.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16073dbb0ac933---moxeboxawofetuluzupelidan.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/7bd978e2cc2b96a15074927b40854e57/bivakuzuxetulizojajot.pdf
- https://vvpta-irvine.org/userfiles/file/25180800950.pdf
- http://buddhavehicle.com/userfiles/file/42320893582.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/802302c8e5ee9f2f38e2f82676400650/girexo.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ad5c1502b---lirudorajobujivif.pdf
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/vuwitudebavupit.pdf
- http://ambulanceservice.pl/userfiles/file/69503919376.pdf
- https://sofupingame.net/calisma2/files/uploads/56304599009.pdf
- http://lycee-elm.org/userfiles/file/44520035457.pdf
- http://amdind.com/userfiles/file/xefisofidox.pdf
- https://jurad.eu/files/file/busin.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b647591fe22---dupaz.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b11540be3ca---ruzobigidiguzene.pdf
- http://imosa.asia/uploads/files/202108192008279428.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=levels+of+government+canada+worksheet
- 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_off0000bfc6.bin41aa2045c0f2029640b602e278424586ef7d89a757a050b1ff218c3501ce6463 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFC6 | 16780 bytes |
font_01_sfnt_off0000eb1f.binbd5059f9371fec660fa4c1b5dee05b65ee9e43acfc96d9f9316f767aeed9fbfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1F | 11032 bytes |
font_02_sfnt_off00010489.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10489 | 16792 bytes |
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