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 of which are hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://idcla.net/upload/files/18536618292.pdf In PDF document text
- https://kuni.ro/app/webroot/files/userfiles/files/28294452060.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/bumuxanos.pdfIn PDF document text
- http://porpora.group/imagenes/imagenes_contenidos///87478859712.pdfIn PDF document text
- http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/898e26ca6bcd84b354148acd87acf0c4/21927413055.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/rajofusosilux.pdfIn PDF document text
- http://full814.com/upload/files/wapaxuwijutimesugojunuto.pdfIn PDF document text
- http://tourister.kr/userfiles/file/toxatezoxidoxofonaxusari.pdfIn PDF document text
- http://heatherjansch.com/ckfinder/userfiles/files/83515280371.pdfIn PDF document text
- http://moristas.com/userfiles/files/80592452486.pdfIn PDF document text
- https://lostfoundglobal.com/userfiles/file/wabivaregexim.pdfIn PDF document text
- http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vovawijugamob.pdfIn PDF document text
- https://dichvuketoanvn.org/uploads/files/98977180753.pdfIn PDF document text
- http://awarelaxcentrum.cz/user_files/file/supojarofux.pdfIn PDF document text
- http://ride.hu/images/uploads/files/52457202163.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/sixegozikunojodofokilim.pdfIn PDF document text
- http://puisan.ru/uploads/file/29831178413.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614151424a9ad---bodijub.pdfIn PDF document text
- http://dsagco.com/Upload/file/26750341044.pdfIn PDF document text
- http://narnivet.com/userfiles/files/89457882732.pdfIn PDF document text
- http://americasbestwingspa.iorderfoods.com/uploads/files/renowenoditapozisewiw.pdfIn PDF document text
- http://santabruna.cl/upload/file/bigigutevokufimetofavar.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/46529496949.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/09/16/wadavatosegoxugoramodawa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=screenshot+go+apkPDF 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_off0000bc66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC66 | 17120 bytes |
SHA-256: 475183f47a60218110075c9f00a4394d7b180d24934c999c73c2aaa8349aad47 |
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font_01_sfnt_off0000e8db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8DB | 10680 bytes |
SHA-256: 12c3ef0312f1c571b4568bc82ceeef31d485e4a6f1fef3fa4224c25c7d4a54e5 |
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font_02_sfnt_off00010152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10152 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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