MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or malicious content delivery mechanism. It contains numerous embedded URLs pointing to other PDF files, suggesting a link farm designed to redirect users to potentially harmful content. The presence of multiple unknown URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a coordinated effort to distribute malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://holcom-wd.holcom.vn/webroot/img/files/wukutaxamukozikuxabomumu.pdf In PDF document text
- http://hoangminhceramics.com/app/webroot/uploads/files/fomepejamugigaxi.pdfIn PDF document text
- https://maggievanostrand.com/uploads/media/file/dikejemedimeduviw.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145396d23899---belevinotixo.pdfIn PDF document text
- http://gleb777.com/fck_upload/file/bukirikajejulupevege.pdfIn PDF document text
- https://realxenon.ru/uploads/files/majivemukowolewafezuger.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/2316686112.pdfIn PDF document text
- http://dreamwith.gni.kr/ckupload/files/8345253799.pdfIn PDF document text
- https://035620126.tw/upload/greenkitchen/files/bedinalib.pdfIn PDF document text
- http://alphamarino.kz/images/news/file/27189656018.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/a2372d66c6342dbf76fe3c08077900cc/zitenaludarelukerimiga.pdfIn PDF document text
- http://shopcloud.cloud/ckfinder/userfiles/files/5814523297.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/rilonadodijinaluk.pdfIn PDF document text
- http://sourceandsecure.com/uploads/userfiles/file/92518694216.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/bawomiw.pdfIn PDF document text
- http://euskararenginkana.eus/files/galeria/files/fujununodegide.pdfIn PDF document text
- http://elturo.ru/img/upload/files/48863055759.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/xulowu.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/dexejowisisabewefogag.pdfIn PDF document text
- http://elencostruzioni.it/userfiles/files/degenufazavomulunevax.pdfIn PDF document text
- http://yucehukuk.com/resimler/files/47503189823.pdfIn PDF document text
- https://akgoz.zemta.com/uploads/files/32653600611.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/13843445063.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=monster+fishing+modPDF 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_off0000b71f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB71F | 10584 bytes |
SHA-256: e5efdef3e1e60e55e8e6c3ccc1894ee929031a83c2282357fd52aa72e0c7a3a1 |
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font_01_sfnt_off0000cedf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEDF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F1 | 15720 bytes |
SHA-256: 6d248b6398bea83dc475b1ed883619c0792c4b72471727b5f120ad1b4766b24a |
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