PDF malware analysis — malicious · 5fd79ca5df53ee56

MALICIOUS

PDF

82.4 KB Created: 2021-03-18 03:17:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 85e0553089d276093989c6be4d6f7958 SHA-1: 5e1ee61e12ccfd05ef28fcf3e513cd11ab219eb9 SHA-256: 5fd79ca5df53ee5631003501f9821f600f4c7c513d5f652f8fe9bc2882dd43d1

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, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to an anime review, which is a common tactic for phishing or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://jumiwimov.ru/strik?utm_term=king+of+thorn+anime+review
- https://cdn.sqhk.co/pojuwudedi/Ojciggf/android_tv_box_anime_apk.pdf
- http://eurosett.net/xbox_live_gold_cards_codescugfg.pdf
- https://cdn-cms.f-static.net/uploads/4480403/normal_602f18937f389.pdf
- https://cdn.sqhk.co/neseleko/hcgcwLs/17230432283.pdf
- http://xilofomodat.iblogger.org/student_homework_planner_template_free.pdf
- https://cdn.sqhk.co/kixagixupo/zJhdib5/airbnb_stock_name.pdf
- https://static.s123-cdn-static.com/uploads/4483856/normal_5fdea30d63176.pdf
- https://cdn.sqhk.co/giwitosak/jeNhhmw/83314000490.pdf
- http://avit0.pro/programa_de_honores_a_la_bandera_revolucion_mexicanazmfzh.pdf
- https://cdn-cms.f-static.net/uploads/4489716/normal_6014b7fb361b9.pdf
- http://sezewadiwun.22web.org/70675972293.pdf
- http://jilet2.club/67625191634ksfy7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://mopituvozu.epizy.com/famafesizivaxaraxavob.pdf
- http://kamizawub.epizy.com/bayes_rule_a_tutorial_introduction_to_bayesian_analysis_download.pdf
- http://bubijiw.epizy.com/83279808202.pdf
- http://bojefej.epizy.com/jaxuted.pdf
- http://gemunedipu.rf.gd/palanofofujenolel.pdf
- http://fopagozijudiri.epizy.com/puma_football_shirt_size_guide_uk.pdf
- http://loratozojakin.epizy.com/does_ikea_do_king_single_beds.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_off000107b4.bin` `491fcd22c668a78269aad9b26c59c26c8484950894ecb3a75a84506a6bbed4bf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x107B4	5092 bytes
`font_01_sfnt_off000118fd.bin` `2782c770a2ce50ea59cff1b036fc216ed96418935a406b2099f4959a1ca78c0a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x118FD	10456 bytes

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