MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or trojan delivery mechanism. The file contains numerous embedded URLs pointing to compromised websites and potentially malicious PDF files, suggesting it functions as a link farm to lure victims to malicious content. The presence of multiple compromised CMS upload links further supports this malicious intent.
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://pistant.ru/uplcv?utm_term=kenneth+lonergan+lobby+hero+pdf
- http://parbatsamajjapan.com/img/files/files/vosipis.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608f868439b0a---vavuvodese.pdf
- https://www.nitdgp.ac.in/uploads/userfiles/files/13103561659.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/cn1mjkgj76lqnkochh9ou80vkh/filiwawipewawejukotate.pdf
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/0d75a0760f227feefee254312991fc7f/pedavorap.pdf
- http://stellamaris.cz/userfiles/19756400561.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/56d55mtij2orp5gnvhdmq0fq89/45335542212.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b8baaa5372b---bigapenuk.pdf
- https://sunnyvale.com/wysiwygfiles/file/vimivomaviwuzegigexek.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086cf74a42c7---bobuzugovamawa.pdf
- https://newdesert.pl/userfiles/file/zewinebufoke.pdf
- http://blessingsngo.in/userfiles/files/68233702377.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160722fba3401a---12435264206.pdf
- http://agnieszkapawlik.com/userfiles/file/55710766373.pdf
- https://nutricount.cz/UserFiles/File/53995972996.pdf
- https://vegan-eshop.cz/data/file/zosasuwagexedoguralevile.pdf
- https://gerastar.com/userfiles/file/darojafiwoziba.pdf
- https://auto826.com/uploads/files/nejasikarutusuxowadis.pdf
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/4038121b00998e33c40ffeaef3f968ea/mesenaga.pdf
- https://skiclubraonbaccarat.fr/pdf/87894847297.pdf
- https://protradingindia.net/userfiles/file/tegilisoretunav.pdf
- https://kalyna.ua/sites/default/files/userfiles/file/61414572902.pdf
- https://autotrans911.com/thread/admin/uploads/file/82240152557.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0001228f.bin68679709210a13be05deda384503204960e4d0f8748d3515020bdbf8f750d1f0 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1228F | 17632 bytes |
font_00_sfnt_off0000db13.bin54192b94a52b265810ada6b55bad2df66a66fdc9e86122e148fb04d2c49b759d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB13 | 10760 bytes |
font_01_sfnt_off0000f359.bin12e1079d82fed5020a4ed0048020fa3237822ca3e95e4bc654cc443d2dfbc8a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF359 | 18020 bytes |
font_03_sfnt_off00013db9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DB9 | 16792 bytes |
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