MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV heuristic strongly indicate maliciousness, with ClamAV identifying it as a phishing trojan. The PDF contains numerous external links, many pointing to compromised CMS upload storage, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, but the PDF structure itself is used to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://ecoverservice.be/gallery/file/24902348104.pdf In PDF document text
- https://espritgt.com/userfiles/file/26903815043.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16116b7f5a2bb2---kusovajezume.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/71eb5cbe6541b40b3455fd56912c79a3/75832082389.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/vugasu.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6lv9a0kg1s96nt94mv6d61buh7/vitegirukifikis.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ae6c0d311---75259105040.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23006179354.pdfIn PDF document text
- http://sillajen.com/fckeditor/_upload/file/gotebebogatoge.pdfIn PDF document text
- https://washlounge.in/ckfinder/userfiles/files/zopifetopowisemid.pdfIn PDF document text
- http://taxfreepoint.com/file/watijevikujerugepalovufoj.pdfIn PDF document text
- http://asirakademi.com/resimler/files/36107468235.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b9f586c13---lelut.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/a91f482a18e75cd57a1e058da8c4770c/gubazaxikoxuxuxi.pdfIn PDF document text
- https://kingcarmotorista.net/uploads/files/bijamuzezex.pdfIn PDF document text
- http://rainbowcaterers.in/userfiles/file/xedup.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/45390354987.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/mavasesip.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/dd5c3c36adac114e01861d57e6b22685/87650996901.pdfIn PDF document text
- http://crabber81reunion.com/clients/b/b6/b60cf3d631ff247311937b5f15bedc89/File/78870446838.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e756a97d9---45924863352.pdfIn PDF document text
- http://metapolar.hu/tmp/mapomef.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087d701e50ac---89626905527.pdfIn PDF document text
- http://wideanglepackaging.com/ckfinder/userfiles/files/pijemoxokox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=acne+e+isotretinoina+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_off0000d9e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E2 | 10548 bytes |
SHA-256: 6f19e9b7242c6d9168f2045f2a4f014bfe9be695bd0afa76f63910486fed5d8f |
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font_01_sfnt_off0000f220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF220 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A32 | 17608 bytes |
SHA-256: 8548607606fc860ea9fe32c7107aa549a47736d48719aa178e9fc6fbb9c857b4 |
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