MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan distribution attempt. The document body and embedded URLs suggest a lure for users searching for free piano sheet music, redirecting them to potentially compromised WordPress sites or other disposable hosting. The presence of multiple PDF links and the use of a compromised CMS upload storage point to a link farm strategy for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://chcial.ru/uplcv?utm_term=boogie+woogie+piano+sheet+music+pdf+free PDF link annotation
- http://vienkiemis.lt/app/webroot/uploads/userfiles/files/bawedavajudekesizim.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d6948e13b---zukirenaz.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c09c6ea7223---36384257374.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/79d24778fadb9a654d665b3b27c6fcfc/bunopopulapelevofirepe.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b963eb0a299---63907831548.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160aec2df4df97---94588177454.pdfIn PDF document text
- http://teplospectr.ru/images/files/81967179623.pdfIn PDF document text
- https://leavingcare3plus.ch/userfiles/files/65448909230.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/65c7ffee9167711f7b763a3f5ed41b21/29476201748.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/486cb6f2fe9ff37b544fcebd345299b1/13290706908.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2d478b5c3---80627434058.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c37b73cb29a---zapinagajorubijugalobirib.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160ab98d8047d8---disugoxokatademuv.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/79faee3f8b83dd0a297906ed3705cef6/zijimaxixux.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b498a75a01a---75333077138.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBE | 5676 bytes |
SHA-256: 1f843dd8aa7815b7bb2ff7b37e5571838b08bf8afa8dbadb3ecd617ee0098af4 |
|||
font_01_sfnt_off0000f2ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FF | 11288 bytes |
SHA-256: 48a02c52a87d0200df74a7a6d82f1d4ca5f8145a4d8281ed8c1898ffda8a28f8 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.