MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or redirection scheme. The document body is heavily obfuscated, preventing a clear understanding of its direct lure, but the overall structure and URL analysis point towards malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9780
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 http://alliance-ltd.com/userfiles/19538484537.pdf In PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a698c43b757---bokeraru.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/295ea4a9906d911b532fc1d998dc3759/1571411366.pdfIn PDF document text
- http://digemnd.com/UserFiles/file/lobaxewowipudo.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5ae75957d---18170054707.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607587d697478---65859676292.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/93mgtmbgr8s7en22v07is092f2/forivo.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084351e9aabc---viragonu.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/23223148295.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/3dce05fd933292807e7e6d173411385b/kizufofegegobifabejirelad.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/84a5858e4b1175a0e730034e12c52558/tuben.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3faf744aa---gererekipabawovesago.pdfIn PDF document text
- https://inijariku.com/ckfinder/userfiles/files/nizazeraz.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/polazajopasox.pdfIn PDF document text
- http://polimak.pl/userfiles/file/xutisowigutufu.pdfIn PDF document text
- http://tanphatinst.com/vietkiendo/upload/file/rikofusebamigefobe.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/87584621649.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c900001a426---19224080461.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/898170961927a0fc937ff4b2622f9501/mipapesuxixumuzizu.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/maviparuboris.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/90323020801.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608637b69564c---92294358635.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac67c0ee213---bozigomiviroxe.pdfIn PDF document text
- https://bhalakusari.com/uploaded/ckeditors/files/xafusezususunijutegu.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ba932aeefc4---96688675833.pdfIn PDF document text
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/92413610635.pdfIn PDF document text
- http://trustarshida.co/cache/fck_files/file/67438384623.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=best+ar+15+cleaning+solventPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000142cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142CF | 10708 bytes |
SHA-256: be9a3b3e8d2cf558e95c775982e802aed577e6169ccca42a018ef80e76c04879 |
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font_01_sfnt_off00015bae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BAE | 18516 bytes |
SHA-256: e95fc9eb29dbb58551419ee7f74a5c0e88870314b649bbb828307ed6bdf98a0f |
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font_02_sfnt_off00018c84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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