MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites host further PDF files, suggesting a multi-stage attack or a phishing campaign designed to lead victims to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701ed705321---mudenidivofoladawedorajip.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/3833eb94ec417e264dc4116b34a3365b/givadiminavijiti.pdf
- https://bursac.net/userfiles/file/numufemiririnoto.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/5f95fa7af480ac2a0811affb13734ba5/89194748541.pdf
- https://tepihtrava.rs/files/39595146817.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160dff6f7bf05e---13544430217.pdf
- https://marmarases.com/upload/ckfinder/files/kexexepowojudapeg.pdf
- http://profesniprukaz.cz/ckfinder/userfiles/files/70887397253.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/qbm4h1brod3p2c74lf1fqo3e8q/28382009456.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/c353d7267528ee713b41471a799e63b7/rutuli.pdf
- http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/dapexilusinavas.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/achkm15sna3u5k79gg1jhi5nb5/79524355746.pdf
- http://sieuthihatgiong.vn/webroot/img/files/tigadu.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/6si0qlgg6u03mtboka5dsvs2k0/fuwulusaloxasujuzuwokak.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee95072b05---18603837059.pdf
- http://www.manorbymajor.com/userfiles/files/mutumovateluf.pdf
- http://jagodkaprzedszkole.pl/userfiles/file/75622256963.pdf
- https://cvsc.co/userfiles/file/6740421160.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/5ca9b30082e1391a52f11b0bbe1b76c6/24059195260.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f09110cb37---63788251637.pdf
- http://www.iece.in/userfiles/file/mogakediwexuxod.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16080a8954fa79---17075730668.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4425c3727---37884893235.pdf
- https://baohohoanglong.com/userfiles/file/19291626185.pdf
- http://hajni.pl/userfiles/file/sogutirixe.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=sum+of+opposite+angles+of+a+cyclic+quadrilateral+is+180
- 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_off0000c3b9.bin4bcfa165ef8e3567bdd34692b228118eaab077c4aad5f999024e3936426287a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B9 | 17028 bytes |
font_01_sfnt_off0000ef40.binb8f8ccc7b1ee3e4ed4e674a7e06925ef113b3547c540474ff0eb3cedb92e87fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF40 | 11780 bytes |
font_02_sfnt_off00010af1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF1 | 16792 bytes |
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