MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for executing malicious code. The file also exhibits characteristics of a link farm, with numerous URLs pointing to compromised WordPress upload directories and disposable hosting. These links likely serve as a lure to phishing sites or to download further malicious payloads, as indicated by the ML classifier and ClamAV detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/eb8285ba48e1aca15048ce1c0bbf4cea/9789032038.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/eb022549660e7c052e2c52bf37abd4fd/29784261959.pdf
- http://austria-ex.com/images/blog//file/7219345487.pdf
- http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/guwomigemubef.pdf
- http://wahluenfty.com/userfiles/nopitokogaduwifolo.pdf
- https://mabuksusu.com/contents//files/tugas.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/5eba7c1f3d5f781930396f578817db01/12308891390.pdf
- https://chp-travel.ir/data/file/88306081898.pdf
- http://greece-ex.com/images/blog//file/51705204138.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d534dd83a3---kulafotubaweperezofeseb.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc1148f26e---46000450494.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b18e1d8f783---guzenajezekuzere.pdf
- https://gulf-rope.com/images/bulk_images/files/tewak.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943d0e46926---feriginejexumajalas.pdf
- http://mexvp.com/ckfinder/userfiles/files/70965246666.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160860688a1752---30567133495.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1608f37aff3594---1339452137.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/1m4k3dlfb2j4mukedjqul0jhle/65663721815.pdf
- http://www.heksan.com.pl/file/8295556663.pdf
- http://ahlhy.com/uploads/file/080317234110.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16089e5a3a706f---rizobox.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca884d57cf---64168686585.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/aa8883cee290fef51c2beeedb1fffdd9/puvaganireloxufomab.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4f968f5b4---lumuri.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=example+of+hypothesis+in+quantitative+research
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e479.bin4ab493e2086826d8700c45fa66a4496aa0c3f9083b9abf48f28b270400d8c2a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE479 | 11256 bytes |
font_01_sfnt_off0000fec0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC0 | 16792 bytes |
font_02_sfnt_off000116d2.binf1ded8deac68f4a0cda5661c4ba362f37aa81bb9af7615ed43fcbd60e83037a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116D2 | 16628 bytes |
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