MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to various domains, suggesting a link farm or distribution network. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags the document as a non-clustered link farm on disposable hosting, reinforcing the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://nfc-lampang.com/user_img/files/fuwosifibekatup.pdf In PDF document text
- http://mebelhotel.ru/userfiles/files/91531561646.pdfIn PDF document text
- http://rayer.cn/d/files/vujisometolanolimewaji.pdfIn PDF document text
- http://feg.vn/uploads/files/zenunujopevuvaz.pdfIn PDF document text
- http://manpukulivermore.com/uploads/files/93557606609.pdfIn PDF document text
- http://ciatic.saintelserver.com/archivos_editor/file/8909392831.pdfIn PDF document text
- https://path.mn/userfiles/files/xefazetemesetuledexarog.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/52597709561.pdfIn PDF document text
- https://jphotographyllc.com/userfiles/file/8664662175.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/84757512709.pdfIn PDF document text
- http://joyearland.com/ckfinder/userfiles/files/vudojirapexubagemopelusip.pdfIn PDF document text
- http://hanasushichoice.com/uploads/files/nuvop.pdfIn PDF document text
- http://rafaelokazakov.com/file/bilomapulojujufupo.pdfIn PDF document text
- http://mrcookie.tw/upload/editor/file/111601155144.pdfIn PDF document text
- http://haenuri.net/ckupload/files/82906434908.pdfIn PDF document text
- https://isleo.com/i_photos/file/17584947138.pdfIn PDF document text
- http://www.pacautomarketing.com/file/pitemimadelelav.pdfIn PDF document text
- https://ddtoyz.com/ckfinder/userfiles/files/sefebitaxebuwi.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6b5f43b07---rixukazagapi.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/tamenujivojixetukowe.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/a9cabc5445fe7658c73c5dca3e31aa35/dutipivowisufuxagibog.pdfIn PDF document text
- https://efnnma.org/files/file/66574479662.pdfIn PDF document text
- http://888chji.com/userfiles/files/6214458772.pdfIn PDF document text
- http://dalboncostruzioni.it/userfiles/files/19432223216.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+get+unlimited+gems+in+any+gamePDF 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_off0000c7d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7D2 | 10780 bytes |
SHA-256: 36ca65497e9118d829215d1b837c11c99cb59e49a1592ecbdc62f99fb718d940 |
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font_01_sfnt_off0000e074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE074 | 17776 bytes |
SHA-256: 39ec8d94c9e4e1bfe12884b44c69089e109053557ce41208e0163db70a4ace05 |
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font_02_sfnt_off00010de2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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