PDF malware analysis — malicious · 69967cdd6495ddc7

MALICIOUS

PDF

71.8 KB Created: 2021-04-03 06:20:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 429f88fbc75e3ca160d32a36e5de6cca SHA-1: 97443c43190c54d3b36f95aefc820ecf16df6fbc SHA-256: 69967cdd6495ddc73244fac10c5481ede19b1fab1c63b15ee3919a5fac907f0a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to host a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, appears to be related to the topic of urbanization, suggesting a lure.

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://kuzutuzo.ru/wix?keyword=advantages+of+urbanization+articles
- http://kumorepo.22web.org/veruzutuxidodagoxuz.pdf
- http://guriris.iblogger.org/medical_biochemistry_ebook.pdf
- https://cdn-cms.f-static.net/uploads/4470678/normal_602e03dc3e70c.pdf
- https://static.s123-cdn-static.com/uploads/4464870/normal_5fe2a3582f86c.pdf
- https://static.s123-cdn-static.com/uploads/4475382/normal_600662ada5692.pdf
- http://vonezejavej.22web.org/baritone_uke_chord_chart.pdf
- https://cdn-cms.f-static.net/uploads/4447097/normal_605a9d8e7e696.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dopugaxelelema/walmart_pharmacy_number_please.pdf
- http://zuzesideb.epizy.com/computational_complexity.pdf
- http://jedafalakax.epizy.com/how_many_chapters_in_the_tattooist_of_auschwitz.pdf
- https://s3.amazonaws.com/fejenijovekozu/mazizodofebusakimebexedu.pdf
- http://zatugawaxevi.rf.gd/astm_steel_grades.pdf
- https://6b2d4799-12fc-456d-8881-596234ac9a0a.filesusr.com/ugd/ae8ff6_6e302095f0764488b1a1974081c6f954.pdf?index=true
- https://s3.amazonaws.com/zarusegibitumet/fbise_date_sheet_ssc_2_2019.pdf
- http://rabogefegu.epizy.com/katha_upanishad_meaning_in_english.pdf
- http://buziluzune.epizy.com/how_do_you_save_a_clip_on_imovie.pdf
- http://jizonizop.rf.gd/camera_raw_plugin_cs6_windows.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_off0000dc35.bin` `8ddc60d96c32d59bdfd66d862e0d8c7048a8d291b654f2cda27f6dbcafec7949`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC35	5428 bytes
`font_01_sfnt_off0000eece.bin` `2c94da801e9aaa95ff1141c30e9565887b116260bf948716d162ee9025c466bd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEECE	10424 bytes

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