MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host numerous links, and one of the embedded URLs, 'https://zajinet.ru/123?utm_term=hp+kinnaur+nigulsari+weather+report', is flagged as suspicious. The document body, though heavily obfuscated, contains text related to a weather report, serving as a lure. No scripts were extracted, but the presence of external links and the nature of the heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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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://zajinet.ru/123?utm_term=hp+kinnaur+nigulsari+weather+report PDF link annotation
- http://berasowugixo.mywebcommunity.org/social_and_personality_development_an_advanced_textbook.pdfIn PDF document text
- http://pesale.pro/finatajozepep3vj04.pdfIn PDF document text
- http://farunoraxukiz.getenjoyment.net/kotudaxawelazaki.pdfIn PDF document text
- http://vehicleusains.com/how_to_download_final_cut_pro_7_for_free_macctyv1.pdfIn PDF document text
- http://rogijowop.sportsontheweb.net/suselav.pdfIn PDF document text
- http://rufoferapavinew.medianewsonline.com/how_to_setup_netgear_wnr1000_as_a_repeater.pdfIn PDF document text
- http://eyebrowthreadingdallastx.com/65428772766hrsww.pdfIn PDF document text
- http://beautytopshop.site/schoolsparks_kindergarten_worksheets_category_thanksgiving_mathsud03.pdfIn PDF document text
- http://dithetsen.xyz/learning_processing_freegqufa.pdfIn PDF document text
- http://wajazenizur.mywebcommunity.org/androgenos_suprarrenales.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://ecfc1f44-6648-4072-bff5-6ee4adcfbe4f.filesusr.com/ugd/e5a943_86b700947da5405c82f548329e51847c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b3a4c9ca-9651-46db-9c58-5403a6d0ee8c/how_do_i_fix_my_canon_scanner_error.pdfIn PDF document text
- https://c5c27394-2042-4749-9b39-d1c24dcbd9f0.filesusr.com/ugd/e9b987_8de8ae3690964f179021a55d9c61a454.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e975e109-42e6-40a7-8f5f-4fb0355c6613/lidoxevobazuzujatil.pdfIn PDF document text
- https://8b2103c5-345b-48fd-98e3-f19c90c4efd0.filesusr.com/ugd/0e2875_9d5ed1ec21a041209094fc86a8b7ae9a.pdf?index=trueIn PDF document text
- https://c1ab63b4-4781-4901-abeb-f581ed41d26f.filesusr.com/ugd/b44917_0635533a20444dfdac631a7531b83b73.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f16ccac6-fc73-4aa1-b50d-66d16e5096fb/light_novel_konosuba_vol_12_sub_indo.pdfIn PDF document text
- https://ad0d0dbb-669b-46a9-85df-79487014a0f3.filesusr.com/ugd/00d95d_edf291a220e5481dbd558d37e30c7b21.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e072c831-4640-4f25-9507-3b4474b1a712/63780145040.pdfIn PDF document text
- http://vexabimumemig.atwebpages.com/jufitodonufexufa.pdfIn PDF document text
- http://litorow.myartsonline.com/troubleshooting_kenmore_600_series_washer.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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E1 | 5080 bytes |
SHA-256: 9f0e6765b1b9df96dd54d95c8f43f2ecadcf79bad04e494285480a83b791acf3 |
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font_01_sfnt_off0000f52a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52A | 10420 bytes |
SHA-256: 0e64b7025738239eb3600276d639c161119927c0ac30414c10a4ee1f0e0b8d1a |
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font_02_sfnt_off000118d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D9 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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