PDF malware analysis — malicious · 9a2bee6861c7df05

MALICIOUS

PDF

81.4 KB Created: 2021-02-16 14:16:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8191e9af6cc67776812b6f0c55a1e7a8 SHA-1: e130f5a4bce02ed926f428e099dc30a58bae7ad3 SHA-256: 9a2bee6861c7df05394bbab6673a5fc7d965a764864b7cb56865ecb11199d4cd

96 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. It contains an embedded URI pointing to 'https://maypoin.ru/wix?keyword=science+spot+mineral+mania+answer+key', which is likely a phishing lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to a malicious site, consistent with phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://maypoin.ru/wix?keyword=science+spot+mineral+mania+answer+key
- http://lopozodedawap.22web.org/jenolan_caves_fact_sheet.pdf
- http://shoppingyxplus.xyz/82133038853khlz2.pdf
- https://static.s123-cdn-static.com/uploads/4462351/normal_5ffffe9593aff.pdf
- https://cdn-cms.f-static.net/uploads/4445107/normal_601c7a18a88f0.pdf
- http://therarbooks.com/baseball_star_mod_apk_ios864p9.pdf
- https://static.s123-cdn-static.com/uploads/4421329/normal_5ff7a12a35a4d.pdf
- http://1freedom.space/never_eat_alone_chapter_summaryg8buy.pdf
- https://static.s123-cdn-static.com/uploads/4412889/normal_5fcb42583760b.pdf
- http://sciencespot.net/
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/batiku/3129027824.pdf
- https://s3.amazonaws.com/jivagajamav/vikajotogitonuto.pdf
- https://s3.amazonaws.com/pevuwarobuvowa/white_crepe_paper_sheets.pdf
- http://mujunuge.rf.gd/20718803974.pdf
- https://s3.amazonaws.com/dumupa/macmillan_gateway_b1_workbook_answers_unit_2.pdf
- https://s3.amazonaws.com/bipovoromoj/8_ball_pool_menu_apk.pdf
- https://s3.amazonaws.com/zusevamasor/preparation_of_haloalkanes.pdf
- http://nazewomufewe.rf.gd/soduwokogutitudek.pdf
- https://s3.amazonaws.com/jojitagifuva/esmo_guidelines_rectal_cancer_2017.pdf
- http://waverotefiwob.epizy.com/hp_scientific_calculator_apk_full.pdf
- http://safamulidapi.epizy.com/rotuzoxobajipetifa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010318.bin` `967dc2cfaec5ea153ac74dde5cc1aa64cb1f7283e8170a716454c1b270d8f24b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10318	5440 bytes
`font_01_sfnt_off0001159d.bin` `e16a6193f3f4a6696c0296b8cac67143d5692af3248e40e601cf5be300fbca06`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1159D	10108 bytes

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