MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF that contains numerous links to compromised websites, many of which are WordPress sites hosting malicious files. The presence of a 'download button' heuristic suggests a lure to trick users into downloading further malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://huntic.ru/uplcv?utm_term=combo+cleaner+free+license+key
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/a6fbbd0b0fa3a9b905c217c727787fb2/92764758647.pdf
- https://www.frontiermea.com/sites/all/libraries/ckfinder/userfiles/files/kuxixanefetulu.pdf
- http://pivotal-technologies.com/userfiles/file/44593408060.pdf
- http://veterinariacasettamattei.it/userfiles/files/70133329973.pdf
- http://samrayburnclassof1980reunion.com/clients/873185/File/gemakawifugafadowimos.pdf
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d08f4be4da7---palobiruwebewinanelixuva.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/87b6e88f3def4f365be1c450b77f4b32/28891237160.pdf
- http://tafgambiatours.com/userfiles/file/podanulusamunosodet.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072259dc39f8---kubejax.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09be327807---vatitogunuvexugosivebu.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/67458952f6f0feaff9f72ddce5137350/zipelad.pdf
- http://amon-syotengai.com/userfiles/file/tobugejevavibuvikojol.pdf
- http://radfordhsclassof1970.com/clients/878146/File/tedejiwizapibafiduwefana.pdf
- https://shoppingplanet.ro/ckfinder/userfiles/files/vobufe.pdf
- http://vencedor.coop/images/admin/file/gapafumiratejugidel.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/9i9fknh6uujd8290otg68jikrk/98703929204.pdf
- https://bawwabatrizq.com/userfiles/file/48790789060.pdf
- http://travellightnepal.com/userfiles/file/vonadatipixozodebu.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6b3c464a6---vifilinuwolexata.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16075abc1eb528---domufiba.pdf
- https://proartgaleria.hu/files/files/44328201198.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607f62407fcfa---tukowuzi.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_off0000eeae.bin8a58ff4eb665c380cbd3dcbe99f3379220c427299865085a9477713ec738394d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAE | 17092 bytes |
font_01_sfnt_off00011b5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B5D | 16792 bytes |
font_02_sfnt_off00013374.bin041309a18ec45669a1280223dec077e0ca55331b43f5e6f175485527e87b1a8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13374 | 10776 bytes |
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