MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics indicate the PDF acts as a link farm, directing users to multiple disposable hosts, with one URL specifically containing 'mod apk unlimited money' in its UTM parameters, suggesting a lure for potentially unwanted or malicious software. No scripts were extracted, but the PDF structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.
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External URI info PDF_URIPDF contains an external URL action
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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.
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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://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe214bcf28---92162848854.pdf In PDF document text
- http://ac-kenigsberg.ru/files/file/60542556892.pdfIn PDF document text
- http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/detelepez.pdfIn PDF document text
- http://arnoldbolingbroke.com/ckfinder/userfiles/files/88050044557.pdfIn PDF document text
- https://ldcpc.com/ckfinder/userfiles/files/satakifimerit.pdfIn PDF document text
- http://se-ty.com/uploads/userfiles/file/15680397739.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a210e1909---funelusobonibagegikuniwa.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/xebukogivejumosex.pdfIn PDF document text
- http://ffarchitettura.it/userfiles/files/diribelovene.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/28876348481.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/relovenuxu.pdfIn PDF document text
- http://fk-fudosan.1nino3.com/app/webroot/img/userfiles/files/25922138055.pdfIn PDF document text
- http://ty6600.com/userfiles/file/dumetobobibolapajaweti.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/setudazelofi.pdfIn PDF document text
- http://elitvorota.ru/f/file/sebes.pdfIn PDF document text
- http://ytlcases.com/userfiles/file/62724974027.pdfIn PDF document text
- http://hasanmasat.com/ckfinder/userfiles/files/gegegewamuruperetewiki.pdfIn PDF document text
- http://thepokewave.com/uploads/files/36539253956.pdfIn PDF document text
- http://babywagen24.de/userfiles/file/mosenafokufakagax.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/jawuwelawofe.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/tivafazuketebodirigodamod.pdfIn PDF document text
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/71735656794.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=kill+shot+bravo+mod+apk+unlimited+moneyPDF 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_off0000de01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE01 | 18392 bytes |
SHA-256: eda23874ec8a5522747756956af4f07698d1e5479232a012b5ba52ce4e24c439 |
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font_01_sfnt_off00010e3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3E | 11160 bytes |
SHA-256: 2a717c09e1604ae3c1998c4a933b0c0c2396aa3595cf1ed27bcb2585c5dfffa1 |
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font_02_sfnt_off000127f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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