MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of multiple PDF-specific heuristics related to URI and link farms supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://kistours.hu/userfiles/file/57345331087.pdf In PDF document text
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vozakomaroxudateg.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/figedutuwedagibavuregiwom.pdfIn PDF document text
- http://www.biotanika.pl/upload/file/51296198194.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b48daf776---javerawuwafigabegog.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/vc15lnmdh5cif4ip3k8d56s8v2/34014188496.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088cd9c59eff---jufanuvasesuvoxu.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff131d1335---sipawaporuxora.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16071b8086aea6---rewemokuxanewo.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/40758b4046cb72aff1218bd436669f4a/tobajozetum.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f24937bd6e---fimalerabe.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942014b1c0a---1031206152.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab9bea2c94---97861429385.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/078680797b7a970870a1a816f04cc5ea/sijaw.pdfIn PDF document text
- https://bselink.com/userfiles/file/julexemajifut.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079eddc187cb---74858298100.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/18511618879.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/sbtq8ijjpma9ns2etu4cmiu7ob/levajuvaje.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d58766fcf---movuponadiles.pdfIn PDF document text
- http://daehwa.info/uploaded/file/pegopome.pdfIn PDF document text
- https://bravo-hk.com/userfiles/file/dazotenesanenomiximefavur.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdcc88eb2bd---tipadivogala.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d65e5379d97---94077038965.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/a123453bf80171096c12c28da7008a96/pepuxipepomume.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/34dd5db5adb565518540107bd20220c0/15847640247.pdfIn PDF document text
- http://hayatteknoloji.com/webimage/file/rijogewaronog.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=what+mathematical+concepts+or+principles+did+you+apply+to+find+the+areaPDF 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_off00012fea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FEA | 16796 bytes |
SHA-256: 30027e419cd734cf14a16d06b057c5879dc69c2fad41a4ca5001ef398a4b7992 |
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font_01_sfnt_off00015b7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B7D | 11092 bytes |
SHA-256: 41f101de52717f9014831d6c7f65bb275fac04b42897d5bf757822f77c3b91f6 |
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font_02_sfnt_off0001752f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1752F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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