Malicious PDF — malware analysis report

Static analysis result for SHA-256 574e95440fac6d88…

MALICIOUS

PDF

49.6 KB Created: 2020-12-04 23:48:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 105117411ca74f905b6ec03804f0a34f SHA-1: 1b8bcf80f82e53fecc3079ad750cefe95a402693 SHA-256: 574e95440fac6d8881f2bb8386d985ff65f7a7f5bf3b4ed5709fc85069a68d66
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, contains text related to 'Batman arkham origins apkpure', suggesting a lure to download a game or related content. The ML classifier also flagged the PDF as malicious. No scripts were extracted, but the presence of an external URI indicates a potential download or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 3

  • 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
  • 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://trafficel.ru/aws?utm_term=batman+arkham+origins+apkpure PDF link annotation
    • https://poxesogu.weebly.com/uploads/1/3/4/8/134854809/b3cc42f6dbf7e.pdfIn PDF document text
    • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/fawafoxatetuwej_duradozu_jixuxekum_rejejiwonupoxu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489028/normal_5fab0c37c7854.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380382/normal_5fc5538e2c753.pdfIn PDF document text
    • https://tumixivig.weebly.com/uploads/1/3/1/6/131636813/zipatikozogaz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/miledu/99455106680.pdfIn PDF document text
    • https://s3.amazonaws.com/senodiw/loxuzelevexunetofutopuf.pdfIn PDF document text
    • https://s3.amazonaws.com/remeranexe/nora_roberts.pdfIn PDF document text
    • https://s3.amazonaws.com/kobivimelelo/zudozanu.pdfIn PDF document text
    • https://s3.amazonaws.com/nonipesikiri/download_dictionary_english_to_urdu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bade7c6f-c565-4384-a569-812e07f860df/77387790690.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b39a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB39A 5316 bytes
SHA-256: 9e8ec797fc8a3ff30e1d27453fbb856eca24e01609d888a6693b2fc50c33a134

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