MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, with one identified as a link farm on disposable hosting, suggesting a phishing or redirection scheme. The PDF structure and embedded links point towards an attempt to direct users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://adbrf.com/files/fckeditor/file/2108545118613eec6291428.pdf In PDF document text
- https://zivotzaokny.eu/res/file/53487993961.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/jijolu.pdfIn PDF document text
- https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/7930916569.pdfIn PDF document text
- http://nerezove-kuchyne.cz/UserFiles/File/fujipofiwolutu.pdfIn PDF document text
- http://videotour24.com/data/fckupload/file/buvudib.pdfIn PDF document text
- https://doktor-ara.com/userfiles/files/kujuzofag.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1bb667db2---wezul.pdfIn PDF document text
- http://bsp-plovdiv.org/ckfinder/userfiles/files/39072963643.pdfIn PDF document text
- https://sanaspinler.net/calisma2/files/uploads/53016980607.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/62716470915.pdfIn PDF document text
- http://albertf.madteam.net/ckfinder/userfiles/files/52529426704.pdfIn PDF document text
- https://andhimazhai.com/images/files/pifotisedesonisomogug.pdfIn PDF document text
- http://cabini.it/userfiles/files/6180453578.pdfIn PDF document text
- https://oncallanatomist.com/ckfinder/userfiles/files/906999382.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/e7374d1ebfcedfa591aa8a50eac3dbc1/bagaxovijekusel.pdfIn PDF document text
- http://sushiyaslo.com/uploads/files/91384375286.pdfIn PDF document text
- https://mantyobras.com/userfiles/file/korebubofidejokobujuse.pdfIn PDF document text
- http://teplolux72.ru/upload/file/lapolugimoboboxulo.pdfIn PDF document text
- http://de-ko-gmbh.com/ckfinder/userfiles/files/rusisilivejutededena.pdfIn PDF document text
- http://j-line.ca/fck_upload/file/pirobekere.pdfIn PDF document text
- http://siamsankyo.com/Uploads/file/negebonigidas.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///gilewabotabu.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/38103456804.pdfIn PDF document text
- http://cn-daomeng.com/upload/userfiles/files/0a0fd63b06b0cf803cff8cead4bed4f3.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=let+her+go+basic+chordsPDF 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_off0000d063.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD063 | 18400 bytes |
SHA-256: 50d98abe88568684553a1a1da1e048c4005ca26525667872a5b7cf5c7a0cc43c |
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font_01_sfnt_off0000ffae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117C5 | 10596 bytes |
SHA-256: 1314ed1b1e02ac2a4be678c116c0cd46389714a0edf0c56c631ce6473e92c684 |
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