MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to compromised WordPress sites hosting further malicious PDF files. The presence of multiple links to compromised CMS upload directories suggests a coordinated effort to distribute malware or phishing content.
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://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814c4a8a6e9---33629260361.pdf In PDF document text
- https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/5e30b589da6aa8e1f2a7c22d199b80d0/wugemapuk.pdfIn PDF document text
- https://ankaratemizlikcim.com/depo/sayfaresim/file/derupo.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/736e8ea0a9a8092e7e6ef00ea18da4aa/sudejati.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607788762db58---midokezijevetixafuze.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16099155abd76f---90204329552.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160913b3ad7877---16699959348.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078e2ba2156a---mejekevetesiwuvinonotapu.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/89352f5e6f989df3355c22a259d89212/pudojuwogisafaxep.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089fb8a2b33d---muwixiwi.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777a2578cb8---fonizeba.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/hk7bmdgcnsmkeje5a00lo46uj7/38929666076.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/eb7lt8sb9jps0b8tt38i214lsf/zobemafe.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/jikumoromob.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/213d13d5d9bd42a98d8f99db0c4330ac/30736025319.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+last+kingdom+season+4+episode+guidePDF 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000155dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155DD | 5380 bytes |
SHA-256: 67decc099274e99714e0f46910eb6e6d08d8952c44f12fdb5ae5b884eae64ef5 |
|||
font_01_sfnt_off00016809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16809 | 11088 bytes |
SHA-256: 66808902f731d021bac5a31ab2cc5fab73e20ad52a9e91b4ffab951b33c0b30b |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.