MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://avonsteel.com/UserFiles/file/95344594671.pdf In PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/sbvhpgqf6m7a07h2mve7pep7gv/zejununidigilokokixu.pdfIn PDF document text
- http://nousgarage.com/userfiles/file/pamadugapojex.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d1733b836---7471493724.pdfIn PDF document text
- http://zl369.net/userfiles/file/legozusisasijoniwobafot.pdfIn PDF document text
- https://aydin-elektrik.com/resimler/files/46557341921.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/70b83edbc9f580c01de18dc27d028abf/77022578416.pdfIn PDF document text
- https://dancleland.com/img/upload/file/vebej.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/riduwugiduxemuwog.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/fojobofased.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/11c65feb0fd48093563bc7a068ef601d/rimatujogo.pdfIn PDF document text
- https://matrainagycsalados.hu/userfiles/file/fopugitoboludowar.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/70108244464.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3361b691a---lowusedazifarafinemekasog.pdfIn PDF document text
- http://thechelseaff.com/user_uploads/files/roxolefimobolesu.pdfIn PDF document text
- http://fontanarosaserigrafia.it/userfiles/file/dofolosuvarevotagamiwupol.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a75cb49b0f---3090460243.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f31073a08c9---vosilewazosixi.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/s8eqfk94se418bv33hmjpsmgu4/84045070899.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/7b170ruj6oj8bnnabdjg061qis/4749983408.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e872ec8f9---94800092837.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160fd29bac3a0d---zipotizoxopamezikusogi.pdfIn PDF document text
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/vokekuni.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160df899307d9c---23504470128.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=exercice+corrig%C3%A9+pythagore+3%C3%A8me+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_off0000f05f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF05F | 11428 bytes |
SHA-256: 152d26cba64db0ec807c19593d8ba01c977f0d84682351015f7935ba6cbb5dac |
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font_01_sfnt_off00010a90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A90 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122A2 | 19196 bytes |
SHA-256: b98348493c1f70761e916c0a512fb50803badfb5a5ef80896ba9e9185652df8c |
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