MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload storage and other disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure itself appears to be a link farm, designed to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608562010dd15---76587571928.pdf In PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ce658b38d42a50d475053c9a8574e4db/50610979648.pdfIn PDF document text
- http://bumsnab.ru/uploads/files/sipiwejarubexuxusufi.pdfIn PDF document text
- https://istanajp2.com/contents//files/37861001306.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9278610243---fupavodaki.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/bakejojikarabitokirijomez.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c13076de5eb---15374714123.pdfIn PDF document text
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/gudopegodemawelopipelujej.pdfIn PDF document text
- http://svazekobciorlice.cz/userfiles/file/jafodojedemadizili.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e23f1ee6e97---71167349456.pdfIn PDF document text
- http://apvn.info/userfiles/file/durewoxafufadawunezib.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa77d4cd8b---83985105435.pdfIn PDF document text
- https://mytopics.it/uploads/file/1682689397.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/medogepixogivinikaponu.pdfIn PDF document text
- https://nwdglobal.com/ckfinder/userfiles/files/loduvodoxujidewewagibapi.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/2632c900ffd79a6b978564d7b5ba050e/kesuxasamusijenu.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/boxokikilor.pdfIn PDF document text
- http://sanitaerprofi.ch/fckeditor/editor/images/file/30943665050.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba95392ef6---56158037181.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/348bead640da799c8e0d441944a926cf/72007898068.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/rexerep.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/87ebf2805dea89c78b012610a1aa9092/56320466881.pdfIn PDF document text
- http://seoulgreeter.com/userData/board/file/silugotukevuk.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/c86533ab64af47de98ccbb923388a6eb/xogogizelonome.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=gnostic+books+pdfPDF 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_off00010b95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000123a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A7 | 17420 bytes |
SHA-256: df06114333eaa1e7130a62a76466cdcecae3809e5a0713c687efba808335a944 |
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font_02_sfnt_off0001512e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1512E | 10444 bytes |
SHA-256: ff4b5af45a6e50179e1b8b9a8070fb9076636fb15ae75e4abaaabd39a4e855be |
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