MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous links to compromised WordPress upload storage and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://infrive.ru/uplcv?utm_term=how+to+get+brawlers+in+brawl+stars
- http://sungwoneng.com/upfile_editor/2021/files/30704914636.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5047f60552---35957586667.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/d07f189f0cc08fb790c9aa2e0123d8dc/39704166140.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/1nm5ul91nokni9uhmb72hcl485/96262918433.pdf
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd09ca8c45---darurifo.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609db99f840e0---91000025098.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/04852776623e0fe93076d9d474e1655e/fabitukumulup.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbc775b8d9---91120961158.pdf
- http://mientaytourist.com/uploads/files/suxufisuxamopenisulev.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2cb24cafde---fapewatugosetilofibabelo.pdf
- https://tavcam.com/upload/ckfinder/files/puruferapik.pdf
- https://santchavarabed.in/ckfinder/userfiles/files/buxefubokaladofoda.pdf
- http://cesurmakina.com/userfiles/file/rimosawakadonimap.pdf
- https://olivierdaulte.com/ckfinder/userfiles/files/goxepeziteberepuxaxezezu.pdf
- http://costruzionibulagna.it/userfiles/files/77218544048.pdf
- https://alnahamgroup.com/userfiles/file/gakugodup.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4e34738c5---16245084933.pdf
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/numupidutigi.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f40c212426---volesilekobegixefipe.pdf
- http://sity-luxe.ru/userfiles/file/27625961996.pdf
- http://elsekmont.eu/userfiles/file/senuwokovonavusineri.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607436d7df12c---vixuwodise.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b634b7db129---44861907742.pdf
- https://perfecthospital.org/FCKeditor/file/80343710564.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_off00010411.bincef2aefd5860cf73da361cc0fbe053488e76aa1f0c05540b492273552e09b1ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10411 | 10500 bytes |
font_01_sfnt_off00011c17.bin855069d25ef0da6e94c784cda194221d57d6746514e194269d71dca95602246a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C17 | 17472 bytes |
font_02_sfnt_off00014977.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14977 | 16792 bytes |
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