MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised WordPress upload directories. The ML classifier and ClamAV also identified it as malicious. The embedded content, though heavily obfuscated, suggests a lure related to 'breeding cthulhu', likely a deceptive tactic to encourage users to click the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://ketchas.ru/uplcv?utm_term=how+to+breed+cthulhu+in+monster+legends PDF link annotation
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a94763a9405---71972097111.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/sajatebelelikeximaso.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/42353585250.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b1754cea8e9---xuxopuvitojiwo.pdfIn PDF document text
- https://golf-tout-terrain.com/publish/page/file/nenul.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/91b7ebb9016ea08185c6ef911f2a9966/14694929340.pdfIn PDF document text
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db0cfdc0bf---doxofex.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/zazizozojibidepa.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160881ebfd6fea---60649441065.pdfIn PDF document text
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/044ff3d14ed50ee978301452f82fbfdd/37936162427.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0d8e730fa---85330111148.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/16071a98927fd6---33672571820.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160796b701a7a2---torosaxitudenaw.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074c7d3938fb---refomogizak.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/3158d9475919e4c41d4394790b5833de/zakanolizemitomedigures.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074b2e450fd4---37204461333.pdfIn PDF document text
- http://chikatere.com/Upload/files/pobipasafu.pdfIn PDF document text
- https://bititechnika.com/uploads/file/mopobe.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_off0000fde7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE7 | 5336 bytes |
SHA-256: 85d8c45abc2538320ead4e69d8eb526f3859b2129d8c1b7499a9a64ef567568c |
|||
font_01_sfnt_off00010ff1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FF1 | 11356 bytes |
SHA-256: 3d9345756734472ffd2bcdbb69d48faf92f0e4752509a595f406243b43271c30 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.