MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many pointing to disposable hosting, and is flagged by heuristics as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The document body, though heavily obfuscated, suggests a lure related to a specific book title, aiming to trick users into visiting the malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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 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://golowaki.ru/award?keyword=category+theory+for+the+sciences+spivak+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4484154/normal_5fe85cf09db15.pdfIn PDF document text
- http://fawikenaxalu.scienceontheweb.net/77327699260.pdfIn PDF document text
- http://kuzexamipapoxip.medianewsonline.com/diary_of_a_wimpy_kid_free_movie_rodrick_rules.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392871/normal_60265bcf73537.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495550/normal_5fed98772c51a.pdfIn PDF document text
- https://zorajifedimak.weebly.com/uploads/1/3/1/4/131437130/4699980.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424953/normal_603aaf89def39.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380211/normal_601af7cb01d36.pdfIn PDF document text
- https://wuginimujewege.weebly.com/uploads/1/3/4/7/134714977/vagafi_mezuripapusuliz.pdfIn PDF document text
- https://gunagabivap.weebly.com/uploads/1/3/4/8/134863042/32a9645070.pdfIn PDF document text
- http://jewogipuwivi.medianewsonline.com/90731050694.pdfIn PDF document text
- http://rexonina.medianewsonline.com/video_games_lana_del_rey_piano_chords.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://uploads.strikinglycdn.com/files/a3517a69-7237-4b51-a9c1-78791405e62c/52719272821.pdfIn PDF document text
- http://telusomabufa.onlinewebshop.net/15980436454.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbf0c8ca-3ebe-4043-9829-cffe8f574058/19733739128.pdfIn PDF document text
- http://retesatitogeli.epizy.com/internship_confirmation_letter_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/60ea79cf-11b2-403a-9f1c-41419e3b2322/nortel_phones_for_sale.pdfIn PDF document text
- https://8035c368-62b5-4e0f-b07c-73fd2baf85c9.filesusr.com/ugd/2ee8d4_b765352334cf404b975a974c80cc0c99.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c2d9c327-8cd2-4fc5-b8c3-40fd562e1b1d/logoremonariturimalar.pdfIn PDF document text
- http://rupetakubaso.epizy.com/mulerokapizulapekiko.pdfIn PDF document text
- https://891dfe3a-8969-4df2-b253-5ccc4ebbb7a0.filesusr.com/ugd/e66789_ce35b3015e8e420a82d79d87b3adb9ac.pdf?index=trueIn PDF document text
- https://02314edc-d025-420b-9d62-795437f25c47.filesusr.com/ugd/4f0fc1_15f2d906075d407e8f210658f8c3651b.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1B | 5424 bytes |
SHA-256: 772866a66e948669b99c106cfa3e59b259304375709a646c9c4cbc0ca9d9bf46 |
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font_01_sfnt_off00010fa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FA2 | 10504 bytes |
SHA-256: 4535d9226c838d25347f4c9aed5abac28335f65931a9e88f5ec278e8ddf11a42 |
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font_02_sfnt_off0001339f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339F | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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