MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm with numerous disposable domains, suggesting a phishing or malware distribution campaign. While no scripts were directly extracted, the PDF structure and external URI findings point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://gionggiacam.com/ckfinder/userfiles/files/xibozanazisikuzu.pdf In PDF document text
- http://nenayu.com/filespath/files/20210902015306.pdfIn PDF document text
- http://lanaecoloridabruzzo.it/userfiles/file/6221120220.pdfIn PDF document text
- https://artistprasanna.com/userfiles/file/38999290530.pdfIn PDF document text
- http://jagdrevier.hu/upload/images/file/75550040862.pdfIn PDF document text
- http://nocleginaplus.pl/uploads/userfiles/files/83680669580.pdfIn PDF document text
- http://elesi.eu/fichiers/files/nukoregolarelikaf.pdfIn PDF document text
- http://cisseo.net/userfiles/files/47819623662.pdfIn PDF document text
- http://music-saikung.com/ckfinder/userfiles/files/dulurarupimatigufanapuduv.pdfIn PDF document text
- http://www.urbanwaterways.info/files/zosegojopadenovukovezewa.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/8a128f6c0bb3ce69dd1f32e215f62ec1/rubudawoxisuxe.pdfIn PDF document text
- https://rolcsi-bau.hu/userfiles/files/pexemelozedopefa.pdfIn PDF document text
- http://ekvatorbl.com/userfiles/file/xamitinid.pdfIn PDF document text
- http://tythb.cn/uploadfile/files/lolonalokad.pdfIn PDF document text
- http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/49949349030.pdfIn PDF document text
- http://bilateralmatters.org/userfiles/file/zulevupekujojaba.pdfIn PDF document text
- http://kiemdinhcan.com/Images_upload/files/sepajofilivumajaderot.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/18068351675.pdfIn PDF document text
- http://xn----otbbfbbknchz.xn--p1ai/sadm_files/21711089961.pdfIn PDF document text
- https://congchung7.vn/upload/file/pajup.pdfIn PDF document text
- https://aynispirit.nl/userfiles/file/dazefuron.pdfIn PDF document text
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/84307177164.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131584b0ee4d---laxiridozezetu.pdfIn PDF document text
- http://groupementpecheduloir.com/ckfinder/userfiles/files/risodel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=the+hound+of+the+baskervilles+questions+and+answers+pdfPDF 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_off0000d32f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD32F | 11188 bytes |
SHA-256: 8641dd75a39222c6c664fca913df7c9ca9f080afd570c50f99d7646cfab0e524 |
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font_01_sfnt_off0000ecea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECEA | 17412 bytes |
SHA-256: e40af00e541b587e508c18e836e1082dd6c628f6bf8b6934557794b44bb115b2 |
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font_02_sfnt_off00011a2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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