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 pointing to various PDF files on potentially disposable domains, suggesting a link farm or phishing campaign. While no scripts were explicitly extracted, the PDF structure and numerous external links are indicative of a malicious document designed to redirect users to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://hoadon-dientu.net/images/files/26664675441.pdf In PDF document text
- http://4darchitecture.org/img/all/21780296594.pdfIn PDF document text
- http://czernavendeghaz.hu/admin1/file/ladivutubosemetajede.pdfIn PDF document text
- https://vleek.com/uploads/files/5867991640.pdfIn PDF document text
- http://wimborst-ceramics.nl/ckeditor/ckfinder/userfiles/files/weruxafubituvarexa.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/12003559229.pdfIn PDF document text
- http://nhagiatxanh.com/public/default/ckeditor/files/xajinalon.pdfIn PDF document text
- https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/namatebarusiduwugone.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/14812106820.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/bopawararinegev.pdfIn PDF document text
- http://wwstationery.com/files/file/43699058861.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/wajiwoposawi.pdfIn PDF document text
- https://hashtag.school/userfiles/file/54463232395.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/11194377113.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/te3ka90opd1bbnubi7tu4s0kki/78051387453.pdfIn PDF document text
- https://drinkpoint.com/uploads/files/7447493121.pdfIn PDF document text
- http://www.arborvitae.cz/ckfinder/userfiles/files/44103142890.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613959134b978---bomidigedila.pdfIn PDF document text
- https://autopsrus.com/ckfinder/userfiles/files/takutefobuxuf.pdfIn PDF document text
- https://istanajp2.com/contents/files/vuzop.pdfIn PDF document text
- http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/pigulagekubu.pdfIn PDF document text
- https://digitaluzaktanegitim.com/calisma2/files/uploads/papozipadirunevuzanebe.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/27800542800.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/dokawewuna.pdfIn PDF document text
- http://gerocuki.hu/user/file/54081505649.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=mr+gerald+baker+oet+letterPDF 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_off0000fee0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE0 | 18556 bytes |
SHA-256: 0140f9184a6202cedd47953a3470a08b82cedbbb9bc8fa642ec60dfe2b3a77b4 |
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font_01_sfnt_off00012f43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001475a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1475A | 10284 bytes |
SHA-256: 46e79e4caa645371fccee21c3d63dcb98f1a84168ac5b3ecba2c5f2c0d2bedf5 |
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