MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of numerous embedded URLs suggest a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://ketchas.ru/uplcv?utm_term=chicken+of+the+woods+look+a+like PDF link annotation
- http://metall-press.ru/files/goxijijajidipeguvibene.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/83679163407.pdfIn PDF document text
- https://aaaxxion.info/images/file/49578183725.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/47628437854.pdfIn PDF document text
- https://shinko-tw.com/UserFiles/file/fukujeniwufuzibekuvofu.pdfIn PDF document text
- https://maisonfamillesrimouski.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/98618990677.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/10834684565.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16137dd7b3daa1---52585167957.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/89135044329.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/39299879729.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/lonowovuwumiraxutusu.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/34755678526.pdfIn PDF document text
- https://associazionedynamica.it/uploads/file/ladogapekimopo.pdfIn PDF document text
- http://ciccioinpentola.com/userfiles/files/5566155195.pdfIn PDF document text
- http://climacom.eu/userfiles/files/putadeguzazubatolugol.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/85487563799.pdfIn PDF document text
- http://blankheich.de/images/uploads/file/85233239918.pdfIn PDF document text
- http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/kipirigorexe.pdfIn PDF document text
- http://aeon-dev.com/uploads/files/202109212258053016.pdfIn PDF document text
- http://aibasavar.edu.bd/app/webroot/ckfinder/userfiles/files/61415629551.pdfIn PDF document text
- https://ambient-interier.cz/files/files/tixufamutefi.pdfIn PDF document text
- http://aprt1day.ru/file/kagapigoravap.pdfIn PDF document text
- http://addon-colsman.somantec.net/ckfinder/userfiles/files/6054291850.pdfIn PDF document text
- http://energy-labels.com/userfiles/file/gifabidavunerezetajekori.pdfIn 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://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_off0000b953.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB953 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d16a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD16A | 10680 bytes |
SHA-256: 813f5f5d82cc5c69e73321796db61c6ba3a31c14de0e41c899f63ad5c086c87e |
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font_02_sfnt_off0000e9f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F7 | 15280 bytes |
SHA-256: 0e7a427f25aba1883a819a5f22f525ac5de4e3446a173dd676c44b9a23267d4a |
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