MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many pointing to redirectors and link farms on disposable hosting, indicating a phishing or scam campaign. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=how+to+sync+samsung+tv+remote+with+dvd+player In PDF document text
- https://cdn.sqhk.co/totafeta/8ghhEH9/loxelixara.pdfIn PDF document text
- http://lnstagramoriginal.com/tekken_3_pc_game__30mbid3jd.pdfIn PDF document text
- http://tublitalia.fun/how_to_properly_use_a_humidifierm7k0x.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375070/normal_606b81dd87402.pdfIn PDF document text
- https://cdn.sqhk.co/rufazodaxu/1xNjbCe/jawedarobo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460966/normal_604d82779ec28.pdfIn PDF document text
- http://sokfresh.fun/vuvolokaxatagiq6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388614/normal_5fd9443f069af.pdfIn PDF document text
- https://cdn.sqhk.co/lisakopew/QBigfgj/robotics_notes_elite_gameplay.pdfIn PDF document text
- http://wdd13.ru/dekazokanetcyzm6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://eb40363d-1d1f-4170-a897-f23f0f433116.filesusr.com/ugd/2a1429_250c53e0fcad4f9db60c6f1f28a9ff70.pdf?index=trueIn PDF document text
- https://40e214c1-1950-44e8-a195-e2c6eeb23253.filesusr.com/ugd/a517f4_d16a8cbda7fa4d2ab5c1d74176e3750c.pdf?index=trueIn PDF document text
- https://7a579b3f-ce96-4c66-abdc-991530493d29.filesusr.com/ugd/010c6b_0d8aeffc41ce4cb3a16a51aa04f6df5e.pdf?index=trueIn PDF document text
- https://b64dd490-e5b9-492f-89ff-e398ecee904c.filesusr.com/ugd/5926b4_d7d1235015e64716a9695cce6c3acb3f.pdf?index=trueIn PDF document text
- https://3c199e1c-ff83-4553-a351-db1e9419129c.filesusr.com/ugd/424a74_a335a80339804bfa93f13309167e9f37.pdf?index=trueIn PDF document text
- https://7ef5d8b8-74ac-4e0a-b0a0-fa61ca6462a8.filesusr.com/ugd/23e9be_ca03cbd195f9420fb1d8a33299cdeafe.pdf?index=trueIn PDF document text
- https://034b020c-baab-45d1-b3ff-c950d21f9178.filesusr.com/ugd/3c93bc_a70863c26d6a44418e09e6a0ba4fdd4c.pdf?index=trueIn PDF document text
- https://937a8a2d-b41a-4163-aff8-eda6db263557.filesusr.com/ugd/21e6f2_b97a252ac3344ce6be0d8de0bb0d1dfb.pdf?index=trueIn PDF document text
- https://3e80c8bf-0031-4ca1-bfa9-4484641fefed.filesusr.com/ugd/08103e_15b878bd6d7548048354b8242cba5a80.pdf?index=trueIn PDF document text
- https://6d4cd3b7-91e9-43ac-92b9-205473f1e50d.filesusr.com/ugd/28146e_8736c5b539f340fd8784a7b80a9c8001.pdf?index=trueIn PDF document text
- https://af4bb04d-41a2-413c-b691-ce0a46ff998d.filesusr.com/ugd/e677f8_ed966fbdb1e8444a9ecb5c453a19e5d6.pdf?index=trueIn PDF document text
- https://681956c7-2c57-495f-b996-d04b50c745b0.filesusr.com/ugd/907d98_4ac4f62d08374fb3909355e69c1e0a95.pdf?index=trueIn PDF document text
- https://acda325f-ee3b-40e4-882f-fabc489a6840.filesusr.com/ugd/23b3d3_4f9c8637c7b74515858b49f2b818a1c2.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fcb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCB6 | 2900 bytes |
SHA-256: b3dfb2f2c41da7350fc3755141d2fd0ea5796bb125df25fec831093623ff73df |
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font_01_sfnt_off000106f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F9 | 5700 bytes |
SHA-256: b629bd09a50439fdd9e71d06f6fe49881243f48b9932321ce569fc414e449190 |
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font_02_sfnt_off00011a4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A4C | 11084 bytes |
SHA-256: 2c0f2cd1655dcaf697372d0a0df1da462d172d23856f34e1e8f2d3f52c350b73 |
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font_03_sfnt_off00014041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14041 | 16232 bytes |
SHA-256: 9a4cbfef1d361b49d4faaeef6ced77ef0fd92f26152dd8eab1109b0e9abbc1b2 |
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