MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple compromised WordPress sites, which in turn host other PDFs. This suggests a multi-stage attack designed to obscure the ultimate malicious payload. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/b0cddf4c0c430e44614d486b225aa04d/35584166824.pdf In PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/48652bc033cffa301690c81165ffb80b/643335350.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a224bc4fb2---kepotomigegoxefo.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160954d3a8863d---jidurixogawiruwusivexaje.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/9ce49d40bc26d12321f9866ae28053e2/82337116351.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073fb7284df1---55191969910.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/wuxawebawarisa.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/6b5944f7ed3132994145e563159c8e0f/8836510753.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/da474876296e08b0ddce821a6cf0033b/fokiguzunupazut.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/mokuxutit.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/orfm888hbs6gmtl2vo74rt1v23/jixuvaloziz.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/9puefcgat8eirf0tmfsp31k6a2/49398357030.pdfIn PDF document text
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/uu1djm055sjq7te5or3lta3qjm/vopiwowopari.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070a5b4b9368---nebodubenotexusen.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=angular+format+currency+in+controllerPDF link annotation
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000caa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA4 | 4996 bytes |
SHA-256: 45c056f752ec34bcfd20c2ffa9d5da607404b9c9d9bf616e6bcf5469fc0a312a |
|||
font_01_sfnt_off0000db8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8F | 10972 bytes |
SHA-256: 11b1eeab17499e55eb734bd158c2f3d09b162d7a83884efa9a835614010d17f7 |
|||
font_02_sfnt_off00010127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10127 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.