MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and an ML classifier flagged it with high confidence. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The primary purpose appears to be phishing or malware delivery through these redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://calisnt.com/uploads/files/sutupatogadu.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607390f76e18d---jizixanilijug.pdf
- http://daming-school.com/userfiles/file/fitikenas.pdf
- https://gabinetpro.pl/kosmetyczka/krakow/files/59271568757.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/1178de7f04b19d399bd67b229e01317e/63946700716.pdf
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/3e2b1bd9a6a3bfd1ecaaa0d6ed1ed713/wemijofowelepibabije.pdf
- https://12shio2.com/contents//files/bawiru.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b35a17e8b---9867913261.pdf
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/d44217dfd821b9c596446ccf7c70b6ec/30505795701.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609473540dab7---dodunajaw.pdf
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/xamivepu.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160f5d4aba1304---47865108307.pdf
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/10895582765.pdf
- http://a-swiss.com/upload/userfiles/file/nixofakimus.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea11919555---99854086526.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/4821ba050afcfe82bab10dadcfefb4ae/vatatiguxifu.pdf
- http://meble-tk.pl/userfiles/file/29505459189.pdf
- https://dgaspcsm.ro/ckfinder/userfiles/files/pediwek.pdf
- http://www.allatpatikapecs.hu/images/file/sorovenakufuneginu.pdf
- http://namlongprojects.com/images/uploads/files/78131461462.pdf
- https://carsen.sk/editor_uploads/system/files/97125749310.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0092adf7a---34818702891.pdf
- http://cardealer-space.com/js/upload/files/88407851821.pdf
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/xedafeweditobogo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=table+topic+session
- 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_off0000f8f4.bin23f52228c90f797822131bffcf605d9fd2dce63bc39b095eade2691e8c311d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F4 | 17024 bytes |
font_01_sfnt_off00012581.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12581 | 16792 bytes |
font_02_sfnt_off00013d98.bin54907166a3c7a5571f2af809bc5eb411d8049ffc0fa936e6c6c49a2350e25dea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D98 | 10372 bytes |
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