MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. The presence of embedded URLs and the nature of the heuristics strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://wastran.ru/uplcv?utm_term=can+vs+may
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f121ab14d9---jukosakoke.pdf
- http://waterlootour.com/FileData/ckfinder/files/20210621_6E7E87C1A065C53B.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bcbcc540b---33269236946.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdb6a3db30---duzokinokifisidakapumi.pdf
- http://alpha-th.com/userfiles/file/tejavulopija.pdf
- http://local-minicab.com/survey/userfiles/files/nedozisepugolufoxumolev.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8635bd236---80959846126.pdf
- https://isosklo.cz/uploads/xekagororusezojilosuj.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16089d16bca688---53277100603.pdf
- http://alexhofford.com/temp/files/file/samonevejorowed.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/0ae572b474d282b1e9140f2905f5b632/xowadef.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/1046ab26e6c63d1f96ae2a6f07c9a06a/5665646481.pdf
- https://addsfly.com/userfiles/file/21496275839.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/d58165cb8df4cee44d059727902b2d95/gigaxuliji.pdf
- http://bluebirdcanada.com/FileData/ckfinder/files/20210619_7699189E7A5EB8FE.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608119ebca3ce---kezoxakagesokukadif.pdf
- https://lesfeesdelhetre.fr/upload/files/52953940094.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d25523232---66443169436.pdf
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/2cd7dab6d93e27d8a02f2b085c34cf11/gimevetude.pdf
- http://93564497.com/userfiles/84705517968.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/66j75hvsa22g535vc05t6kcprr/finijovilikat.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/lqs6sbqek6hpsccdeu12d9tta5/sulopuj.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be0a10618fb---2167714267.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e755925f5c---jizazatenojutoxuvewewe.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_off0000ed5b.bin7cab83afd318904873148aca77952001dcd11c0b927caf40a21a2c6202ae1807 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5B | 17020 bytes |
font_01_sfnt_off000119e6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E6 | 16792 bytes |
font_02_sfnt_off000131fc.bindc57bfb53e55de1a4818bac78ca90527d4e8ab90eafd5bd0a3d25ac4fd197ea3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131FC | 9892 bytes |
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