MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users. The PDF structure and the presence of embedded URLs are consistent with phishing lures or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://zh-huaxun.com/uploadfiles/files/51928289107.pdf In PDF document text
- https://unitjaya.com/contents/files/kofefozebuninufe.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/47935098277.pdfIn PDF document text
- http://montesantangelo.it/files/files/40032406417.pdfIn PDF document text
- http://christmaslandint.com/userfiles/94704072745.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/88272128516.pdfIn PDF document text
- http://www.saito-ken.jp/userdata/file/79316172161.pdfIn PDF document text
- http://slhospital.com/upload/fckeditor/file/gevoneje.pdfIn PDF document text
- http://lycee-elm.info/userfiles/file/jopelofimuzurunog.pdfIn PDF document text
- http://tpokebar.com/uploads/files/pewibevirerolofamit.pdfIn PDF document text
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53319042526.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/nojowe.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/96682479138.pdfIn PDF document text
- https://resicolor.com/upload/files/zuxinolarenukowareni.pdfIn PDF document text
- https://pikhospital.com/ck_uploads/uploads/files/80625485450.pdfIn PDF document text
- http://ingmarcofaedi.com/userfiles/files/23997640386.pdfIn PDF document text
- http://sterenstein.ru/userfiles/file/58843963655.pdfIn PDF document text
- http://355353.ru/userfiles/file/maxutugonazotupegijopif.pdfIn PDF document text
- http://thai-apsproducts.com/file_media/file_image/file/vururolosifosukiguz.pdfIn PDF document text
- http://ksnjl.com/userfiles/files/dilifepuvovifiduwo.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131bb0a532a3---14479319078.pdfIn PDF document text
- http://fzcce.com/aimgs/uload/files/pesuvexutusokekeg.pdfIn PDF document text
- http://swapnakoodu.com/fck_uploads/file/dinimuxajub.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-9-2/20210902080210693853.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/e646f1aa3378e0067825eca7b7a75c22/dopojis.pdfIn PDF document text
- https://beautyyaurient.com/editor_upload/file/55547330769.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+set+up+automatic+text+reply+on+androidPDF 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_off0000db40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF352 | 17816 bytes |
SHA-256: e1ecc071b41732dfdcbfcd916a88b8d8ee843e69c5bee6ec70190fc1e46808ad |
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font_02_sfnt_off00012122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12122 | 11068 bytes |
SHA-256: 176bcf83a05f3e14a782f00ee53df1d6fc75d92b7c5b6c4f6e7b3053ea5e8dc2 |
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