MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and other domains, suggesting it is used to redirect users to malicious sites. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://royal-art.pl/uploads/userfiles/files/pelifuzer.pdf
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609ddd75c7a65---12989626864.pdf
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce613ac75---fapimizinelukunipasisom.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160b18fd9a71bb---19582836020.pdf
- http://kubak-ubezpieczenia.pl/userfiles/file/27686228706.pdf
- http://www.findvoters.com/userfiles/file/xovasifipen.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607582a8a125b---roweralajunupetag.pdf
- https://pypconsultores.mx/userfiles/file/46132172614.pdf
- http://hersheyhigh1981.com/clients/37302/File/36134343516.pdf
- http://tourister.kr/userfiles/file/93515462719.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2fd00f3317---79444614912.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bce99d95362---joverijegeziwemolagurel.pdf
- http://mesterek.net/tmp/79710683495.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf7d80e410---6786518640.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e028df137b---98636659776.pdf
- http://thelewisfamilyreunion.com/clients/c/ce/ce72a6ed4f7059d305e3bbfb121cee90/File/31448972755.pdf
- https://zold-kommando.hu/files/98827063082.pdf
- https://bruceautoservice.com/files/file/5100221458.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16099b734e60a6---larizat.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/4904fe38b5fb724f3198fb65ebc29f16/6029008464.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/vib0urut330dpo2bphv1bvricl/bazekelejom.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/mdc1b23hiuji7rar3oi137ib02/xidonipepitimobamerev.pdf
- http://clarkstownhs64.com/clients/2/25/255c49a504cbad61718694d8b78dfcdd/File/nekunokagimo.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/9f28c609811a4c2c3ee14488f1d749da/rabulobevunutolamujikad.pdf
- https://hasekei.jp/userfiles/file/68733567796.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=bomb+calorimeter+problems+pdf+in+nutrition
- 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_off0001206c.bin995d134f181d6adfd3c9593cb9d35fe69546369e6574ff7e2160ed005df1069d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1206C | 11072 bytes |
font_01_sfnt_off00013a05.bin869dc287fbf92027922a2233a01086c81c54d4fe532a4e4fea972832bf442c01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A05 | 17484 bytes |
font_02_sfnt_off00016850.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16850 | 16792 bytes |
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