MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of PRC/3D content and the obfuscated document body further support its malicious nature, likely intended to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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PRC/3D content in PDF medium PDF_PRC_3DPDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
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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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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://kuzutuzo.ru/123?utm_term=terminator+2+3d+movie PDF link annotation
- https://cdn.sqhk.co/sexuzoropa/jeidGH6/xunulowufurekol.pdfIn PDF document text
- http://mizejodaf.mywebcommunity.org/durability_test_of_concrete.pdfIn PDF document text
- http://savineme.mywebcommunity.org/the_game_of_life_and_how_to_play_it_audiobook_youtube.pdfIn PDF document text
- https://cdn.sqhk.co/jebumujo/Xjiifg1/fofide.pdfIn PDF document text
- https://cdn.sqhk.co/xobabowiwa/ujgD3hb/89372579329.pdfIn PDF document text
- https://cdn.sqhk.co/wedekimelol/igdjcie/digital_video_business_card_maker.pdfIn PDF document text
- https://cdn.sqhk.co/wituwuxevef/gNMjbic/magazine_cover_mockup_template.pdfIn PDF document text
- http://mikovil.mywebcommunity.org/black_swan_green_full_text.pdfIn PDF document text
- https://cdn.sqhk.co/zatovafer/bR0ifhd/35525858650.pdfIn PDF document text
- https://cdn.sqhk.co/rularijulen/aZoMjis/dingo_ate_my_baby_song.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tawovojo/moment_js_format_iso_string.pdfIn PDF document text
- https://s3.amazonaws.com/resisuna/vugulidutitebeluvemetizu.pdfIn PDF document text
- https://510adc33-753b-44c0-977e-8d34da8fcdd4.filesusr.com/ugd/5f4192_9c116985f1c148088e882173f490224d.pdf?index=trueIn PDF document text
- https://404c0e03-56c4-4888-bb84-d9d32a71a3e4.filesusr.com/ugd/100e2e_47b19688ebb24c48845a0d36bd05ecfe.pdf?index=trueIn PDF document text
- https://aed022ca-8a9d-452d-9022-56a74a585a14.filesusr.com/ugd/4d548e_eb45b093c2c7434db3ba9f96b8d2e8d1.pdf?index=trueIn PDF document text
- https://24451074-f53b-4065-993c-779ba3957988.filesusr.com/ugd/0ae25f_b58d04674a634b7c93d352c32c4a0e86.pdf?index=trueIn PDF document text
- https://0c2a7d7b-be9d-4ef2-a94c-09ca905cc17d.filesusr.com/ugd/7d21c0_f6d22d6e0f4440edaa5bde512c199163.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wupixufekijax/nissan_almera_n15_performance_parts.pdfIn PDF document text
- https://1580f21e-fc75-4350-9669-3be8b7525729.filesusr.com/ugd/eff6cf_3b8cc93ae25f49f78c5033247a824f94.pdf?index=trueIn PDF document text
- https://9d50af6f-dbf7-41ba-b854-83985329a12b.filesusr.com/ugd/33c377_69578764dd724d00a634a8d9944346d2.pdf?index=trueIn PDF document text
- https://1c54689f-8f60-44d8-8d81-b144d6ea8ada.filesusr.com/ugd/787b0a_4815ac3a6c9340919fcf6ca11ca2690d.pdf?index=trueIn 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f31e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31E | 5064 bytes |
SHA-256: 64059279e54154920c5faceb54a0df00c9735b1223740bdc01f18699505125e2 |
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font_01_sfnt_off00010444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10444 | 10404 bytes |
SHA-256: 47dc15c8feea49d943f461416ac544d16d897ad88f14eec6170821eff288caeb |
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