MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains text related to a book title, likely a lure to disguise the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://leonvi.ru/award?keyword=oxford+bookworms+library+stage+3+the+secret+garden+pdf PDF link annotation
- http://bionatur.space/xarirafadetakodidi3h9hh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446790/normal_5fe64f4705f2f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373261/normal_600d7c2c8b85f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495390/normal_5fd27b6de4cd2.pdfIn PDF document text
- http://spiritstudio.ru/sylvania_netbook_synet07526_batterych17q.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4530323/normal_603c3da0e752c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f26e6bca-ce10-4524-9610-ed5ef7c8d48b.filesusr.com/ugd/ac8c68_afbedf6cf4a847399276243c23a2100f.pdf?index=trueIn PDF document text
- https://63c5840e-267c-49ed-94d3-fc9f9d8b9c0b.filesusr.com/ugd/8c5bc8_7fec88d94a5843f09b925a2a3f5d127d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/faab4684-6a5d-4d4e-a006-8155767cbc7b/red_piebald_mini_dachshund_for_sale.pdfIn PDF document text
- https://s3.amazonaws.com/sezebepit/16390134569.pdfIn PDF document text
- https://3c45aaf8-24f3-4cde-9773-cf44a0a970d3.filesusr.com/ugd/ae7d54_aa9d054ed43e4b568305f2e24dbee266.pdf?index=trueIn PDF document text
- https://79e5ec13-148a-49e7-9308-7b7844992bd9.filesusr.com/ugd/1d149b_0a4271ee6d1046738885aea0816f1ab7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6ca84a9e-e75b-4a4c-b303-2a7d1c445c97/how_much_does_chick_fil_a_franchise_make.pdfIn PDF document text
- https://s3.amazonaws.com/wunojipu/daxazamikopofufe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab3e3bb7-1fc5-4c2c-ae6d-317f8e85811c/40896492313.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/811b8955-06f5-42c2-95f4-5cb80264f16d/how_to_make_visual_basic_programs_in_excel.pdfIn PDF document text
- https://50fe66f1-00be-429c-ab6c-57a9f80d6ab9.filesusr.com/ugd/39cb9d_50caa449eee94e4a96f78a60426896ea.pdf?index=trueIn PDF document text
- https://50fe66f1-00be-429c-ab6c-57a9f80d6ab9.filesusr.com/ugd/39cb9d_bf4b5f0c072845cb9a8b6791c5757698.pdf?index=trueIn PDF document text
- https://6c49ff76-e13b-46da-8354-2e633d56f736.filesusr.com/ugd/211c2d_c2518560b6bc402d9be0a62219ed6df8.pdf?index=trueIn PDF document text
- https://db6d201d-bdff-4648-9982-d9cfaac7639e.filesusr.com/ugd/98857b_159e2e7458a54ef1b99999ec742f2400.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/woxojuxafopuv/85731338695.pdfIn PDF document text
- https://s3.amazonaws.com/wajibile/adobe_photoshop_cs5_32_bit_full.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73841715-e614-442f-8278-604aae162e35/what_are_the_weather_symbols_and_their_meanings.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cabe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCABE | 6224 bytes |
SHA-256: 8c853c5d8052201b5dc392a06e9375c8839a777e1171bc0175b493e4279b1a15 |
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font_01_sfnt_off0000dfe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE0 | 9812 bytes |
SHA-256: 2193360950652b68c2f88e01a91e48fb19df4dbc2030e8ef7c796e19e08b1c9d |
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