MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV, specifically as a phishing trojan. Static analysis reveals it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload directories and other potentially untrusted hosting. The PDF document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL destinations strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4575
Heuristics 5
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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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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://mut-zur-veraenderung-hambuch.de/userfiles/file/zebokudibabo.pdf In PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6e85b28c05b00096ac2e7c2d68189060/46370721617.pdfIn PDF document text
- http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52402740142.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16086aa9d6a7b3---zujekofugadivugo.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/ad72c8061d434b913a7ed845b42a12a8/kovow.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/96s7t3gmumi2pij3dflfmc6jb6/bifaj.pdfIn PDF document text
- https://cecprint.com/images/file/kizaxijagipunosefimetuxi.pdfIn PDF document text
- http://insidethedigitaltrend.biz/userfiles/file/36818164310.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/ravis.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a59479682d8---fitewowud.pdfIn PDF document text
- http://watthaistuttgart.de/userfiles/file/14731338785.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e20e2de1242---kunufapazafis.pdfIn PDF document text
- http://badaranquehablar.com/userfiles/files/nagamuxovalozisasu.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/jdvc37osqhiff53ftq6ttthb80/26203804287.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/7f1eed36a294cff055cddf78d4178982/26312166596.pdfIn PDF document text
- https://leavingcare3plus.ch/userfiles/files/43842907887.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/8079178455.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bbd172653---zawerakexawapezu.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d15f83c8c---tewesokuxuzajetapudora.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/4261ec07e1ab6886b60412cd253297d2/dobasu.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099602f19e48---mebosifigazexasitamugalap.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c150b318ad4---bubakukozujim.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=the+book+of+galatians+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000136bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136BD | 10872 bytes |
SHA-256: aa4f59239bea1f31e06aae0809c89ce353db16e73820036afb1ec5fe6cc0ef10 |
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font_01_sfnt_off00014f67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F67 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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