Malicious PDF — malware analysis report

Static analysis result for SHA-256 0345e8776db04f8e…

MALICIOUS

PDF

87.5 KB Created: 2021-02-02 07:25:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: eac8f23daaf173b601d8e42cdf90f228 SHA-1: 3bd7d46d17eb52dbab0080acf5e26ab41300b74d SHA-256: 0345e8776db04f8e08960f89ddc21f66a07f00c021d8626c70522129d65875e7
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect users to malicious content. The document body, though heavily obfuscated, suggests a lure related to 'Yugioh trap cards', which is a common tactic for phishing or malware delivery. No scripts were extracted, but the presence of embedded URLs and the overall detection profile strongly indicate a malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://jottigo.ru/123?utm_term=yugioh+trap+cards+that+negate+monster+effects PDF link annotation
    • http://lnstagram-blue-ticks.com/85220698553rcx0t.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411252/normal_5fe46064b0877.pdfIn PDF document text
    • https://cdn.sqhk.co/wabajevebe/H8tijjj/silver_dollar_city_schedule_for_november.pdfIn PDF document text
    • https://cdn.sqhk.co/jaruxabal/QjfRTha/game_screen_recorder_full_version_apkpure.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476434/normal_600960b635638.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388041/normal_600bf12cb6e47.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426279/normal_5ffb682f6d578.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418369/normal_5fd7f32b80e3f.pdfIn PDF document text
    • https://cdn.sqhk.co/pulobegefuzi/h6gjj2F/51151189942.pdfIn PDF document text
    • https://cdn.sqhk.co/nolagutotato/4l8WOrB/19956548193.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418764/normal_5ff849394de1e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426832/normal_5fee6c96c379a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369512/normal_5fe00b245aab6.pdfIn PDF document text
    • http://natikolom.site/fifotesaxnpntu.pdfIn PDF document text
    • http://kibukulatari.22web.org/14231593437.pdfIn PDF document text
    • http://familyit.pro/nebosh_international_diploma_examiners_reports_20189shg7.pdfIn PDF document text
    • https://cdn.sqhk.co/risejesob/dhevluY/good_discord_bots_to_add.pdfIn PDF document text
    • https://cdn.sqhk.co/mogezunir/hdh9gfI/42793086613.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lidufaz.epizy.com/woworejadinidudib.pdfIn PDF document text
    • http://safadixuzet.rf.gd/branca_de_neve_filme_completo_dublado.pdfIn PDF document text
    • http://mifivanotelo.rf.gd/15457472561.pdfIn PDF document text
    • http://mujijebal.epizy.com/cardiff_sixth_form_college_number_of_students.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010144.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10144 6744 bytes
SHA-256: 0eac1552a6a0cc8d6d43e14f5c157d052ff2bf21460314f67a2c213e0a454e63
font_01_sfnt_off0001122b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1122B 5500 bytes
SHA-256: b6cc4389dd36eb926f7e8a745370364a18feeb4f48d4c69e0c7ede54c84dc721
font_02_sfnt_off000124b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124B9 12212 bytes
SHA-256: ff950d04f9b3c4a5f3da46222d5ef4c61b5b46dadfdedcfa8240a5cd5c773e28

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