MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'kuzutuzo.ru', which is likely a phishing or malware distribution site. The PDF also includes a link farm heuristic, suggesting it's part of a larger SEO poisoning or link spam campaign designed to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://kuzutuzo.ru/strik?utm_term=download+game+ppsspp+gold+naruto+shippuden+ultimate+ninja+storm+5 PDF link annotation
- https://xapabareduvan.weebly.com/uploads/1/3/4/3/134395213/1090019.pdfIn PDF document text
- https://sasanufodokedu.weebly.com/uploads/1/3/0/9/130969760/pudibabew-wiwolinotafu-fugoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/77627c7a-a934-4591-b90c-da6a397eb81b/77355336894.pdfIn PDF document text
- https://s3.amazonaws.com/falejogajir/dijegerajuw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe33047a-9dc1-4872-8cc8-0cc8b49fc411/wugigepudagojugegebapom.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/the_mis-education_of_the_negro_goodreads.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9aa927ab-a349-47d9-872d-9f238045f8a6/82492896799.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d620f9ed-b72c-4dbc-8ae7-1c69f9b91ae9/87687573072.pdfIn PDF document text
- https://s3.amazonaws.com/jepinebawo/lirik_lagu_castle_on_the_hill_dan_terjemahan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2703e6d-25a7-4d91-a9a7-a51b15192a89/mere_christianity_audiobook_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72dc1477-db51-4926-b2a3-b01446aee928/wobibedulawi.pdfIn PDF document text
- https://s3.amazonaws.com/fatisake/71106963877.pdfIn PDF document text
- https://s3.amazonaws.com/voxazedisula/zuselotizuxifujalego.pdfIn PDF document text
- https://s3.amazonaws.com/zeworibuzoza/how_to_make_arabic_calligraphy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b6454b2d-b9d0-4c81-9f08-bce1dda4eb80/dupiwaxinolizetunegoxar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28f342d5-48dd-4fdd-9a0c-cd9ece0c2aeb/2000_ford_ranger_2.5l_oil_capacity.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ff3f511-a52f-442f-b1ba-0af0ddd0fb17/kupufiwidapipipa.pdfIn PDF document text
- 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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 7
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE84 | 6416 bytes |
SHA-256: 528d1e79c27aec131c2cbf846536b85f4c117e3725d0fa982f5a85159cdab222 |
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font_01_sfnt_off0000fe26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE26 | 18420 bytes |
SHA-256: 05a3dd7d9460b60994934cf123b8ef79416c9814da8e7ae1cefec65ee9af92be |
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font_02_sfnt_off000138d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138D9 | 5664 bytes |
SHA-256: 9e177dcd9678459455321526b696524e550623bf27ca00550a2961441916bf05 |
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font_03_sfnt_off00014c0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C0C | 10308 bytes |
SHA-256: 92ca87bb9a6832bb06e168a0f17e0650da5755d7f586ecfbec80a5c2ea64eae5 |
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font_04_sfnt_off00016d17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D17 | 11836 bytes |
SHA-256: 389a5949f35698fa48c8a8c9dd4280ee98211b176e82d30b4ca5c67291e48c58 |
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font_05_sfnt_off000194d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x194D1 | 16256 bytes |
SHA-256: 8cc6bcc2cf3defe0a88aedbd81e1c3d6ddceaf294630c8a268e5b6d92b2eedfb |
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font_06_sfnt_off0001aa2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AA2E | 1740 bytes |
SHA-256: c3083234ffb6d861bab5d39791d58a5de51bcb1f3d85f264bb0581569c330447 |
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