MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to numerous PDF files, some hosted on compromised CMS uploads. The presence of multiple external URIs and the nature of the links suggest a phishing or SEO poisoning attack. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://maroba-zirndorf.de/file/nafolajomejusaduzerosute.pdf In PDF document text
- http://lecostationery.com/files/file/jaxuwovisasemin.pdfIn PDF document text
- http://hk-bbc.com/upload/file/32917427604.pdfIn PDF document text
- http://metisentry.net/ckfinder/userfiles/files/68535419389.pdfIn PDF document text
- http://soeurs-scjboran.fr/soeurs/upload/files/wamamigesesunipolagaraf.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/rewixipeje.pdfIn PDF document text
- http://villaelen.it/userfiles/files/58291497456.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/87519341562.pdfIn PDF document text
- https://nikunjfoundation.org/ckfinder/userfiles/files/19680457299.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/10054149444.pdfIn PDF document text
- https://nayyaralidada.net/alpha/ckfinder/userfiles/files/xumasekufarus.pdfIn PDF document text
- http://kantipursecurity.com/userfiles/file/59015927869.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/nazesafejivunilubawubuki.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16130ab64d75c4---25778861156.pdfIn PDF document text
- http://4grd.com/cmsimages/file/69073246102.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///85318314498.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153d74cd3797---paxenabev.pdfIn PDF document text
- http://amdind.com/userfiles/file/18116289736.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/k245mcqrije6k6v2d9aupe6e5p/38831446362.pdfIn PDF document text
- http://change4best.ru/upload/file/11673471418.pdfIn PDF document text
- https://sunrise-photon.com/upfiles/editor/files/53107464787.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/71238944673.pdfIn PDF document text
- http://tid.vn/upload/files/30121571831.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=the+dissociation+constant+of+a+weak+acid+ha+and+weak+base+boh+are+2PDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c9ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9AB | 18148 bytes |
SHA-256: 430b2d12512f04fd3a10e4431a808f1e351c2be226c5e8f99357ae8781b2edc2 |
|||
font_01_sfnt_off0000f7ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off00011003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11003 | 10928 bytes |
SHA-256: 5c51ccb0bc3e0bc60c02d223cf97ba193896eb5abea48721b4dfa8773993dfb4 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.