MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to external sites that host other PDF files, suggesting a link farm designed to distribute malicious content or phish users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a strategy of using disposable hosting for a large number of links. No scripts were extracted, but the overall structure points to a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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://szpk.hu/_user/file/welapowowubo.pdf In PDF document text
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/98267838631.pdfIn PDF document text
- http://hanyuchina.com/upload/files/51570781869.pdfIn PDF document text
- http://swatimishra.in/uploaded_files/userfiles/files/64215951748.pdfIn PDF document text
- https://flexi-cms.com/uploads/file/24540855301.pdfIn PDF document text
- http://www.velkoobchod-man.eu/ckfinder/userfiles/files/dilotigupamitomugoteboku.pdfIn PDF document text
- http://anm-av.de/uploads/files/24740460045.pdfIn PDF document text
- http://df-foundry.net/d/files/58520777695.pdfIn PDF document text
- http://jfhconsultancy.nl/userfiles/files/53885278845.pdfIn PDF document text
- http://chamdure.com/DATA/files/fabupetosumuwilexida.pdfIn PDF document text
- https://1tlstar.com/storage/uploads/files/58175590595.pdfIn PDF document text
- http://dansungsala.com/uploads/files/resenusite.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/gifobimagisemi.pdfIn PDF document text
- http://chongthamphucthang.com/images/news/files/ladafujufulagovax.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135176ce0ad2---kudepulu.pdfIn PDF document text
- http://chroscina.com/userfiles/file/xisenanekuvarisuluja.pdfIn PDF document text
- https://francoisdaulte.com/ckfinder/userfiles/files/92509670927.pdfIn PDF document text
- http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/59334137454.pdfIn PDF document text
- http://location-appartement-venise.com/italie_documents/files/65090362552.pdfIn PDF document text
- http://regmac.net/userfiles/files/23097643987.pdfIn PDF document text
- http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18440091847.pdfIn PDF document text
- https://gastriklandsbf.se/UserFiles/files/mekowufituz.pdfIn PDF document text
- https://marcvandewiele.com/userfiles/file/25473055879.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=descargar+tv+para+android+sin+necesidad+de+internetPDF 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_off0000e9b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B3 | 18768 bytes |
SHA-256: b2fddbddf8b5fb168ea03a2b17728f4d61fb4231ceeaa215f8c8b96fb8231463 |
|||
font_01_sfnt_off0001194e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1194E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off00013165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13165 | 10712 bytes |
SHA-256: b1a3ee0eb632bab84ed080c9e96887e73bfeeaa2d14f41b07954d186004bddf1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.