Malicious PDF — malware analysis report

Static analysis result for SHA-256 8acad42473f32c06…

MALICIOUS

PDF

81.9 KB Created: 2021-02-27 02:46:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 0eff199048506ad8fc744f6d7146e397 SHA-1: ddc8d36a6338c7f3331fd89d6e674dcb66f79c36 SHA-256: 8acad42473f32c06053191a6f39be9ac760f64a441df5b9e4bd15da61a50a9ca
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://fokemale.ru/strik?utm_term=3+parts+of+a+halligan+tool PDF link annotation
    • http://khareedforosh.com/beoutq_apk_1._99e2vb.pdfIn PDF document text
    • http://normab-id.com/template_blogger_simple_darkgj5z6.pdfIn PDF document text
    • http://obschee.xyz/820793576603ln2r.pdfIn PDF document text
    • http://prod-fruit.space/dirt_bike_riding_around_mev7dio.pdfIn PDF document text
    • http://universityru.fun/winidoxup36u1n.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/rozebofukixus/pajigatunibemilif.pdfIn PDF document text
    • https://s3.amazonaws.com/jukoxisojow/50228538845.pdfIn PDF document text
    • https://s3.amazonaws.com/daniwodug/thunder_ac6_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/algebraic_properties.pdfIn PDF document text
    • https://s3.amazonaws.com/zolerazowubow/adobe_acrobat_reader_professional_10_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gawabog/the_tyrants_tomb_release_date_australia.pdfIn PDF document text
    • https://s3.amazonaws.com/rujabepifar/nuxifomol.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/numerical_methods_for_engineers_and_scientists_hoffman.pdfIn PDF document text
    • https://s3.amazonaws.com/fedojigudaj/mathematica_7_crack.pdfIn PDF document text
    • https://s3.amazonaws.com/kudefem/madusa.pdfIn PDF document text
    • https://s3.amazonaws.com/wenobagupexekap/jakogiturolefumevuxunani.pdfIn PDF document text
    • https://s3.amazonaws.com/midaguvimabof/kharagpur_weather_report_today.pdfIn PDF document text
    • https://s3.amazonaws.com/memobofilenabon/osrs_barraging_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/babetafaperaxov/gamer_s_guide_wiki.pdfIn PDF document text
    • https://s3.amazonaws.com/memexelu/7386787700.pdfIn PDF document text
    • https://s3.amazonaws.com/borokegujuzero/5483830539.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
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10449 5232 bytes
SHA-256: 515c868e4b8a2c26d5357122a8eb9ebf3cca9c6861a44f6dd27ed04d0b99654a
font_01_sfnt_off00011611.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11611 10592 bytes
SHA-256: d4b8c4aca5d7deb8905f3581828e63c2c2f0235420abfe7598cca9d226cedc47

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