Malicious PDF — malware analysis report

Static analysis result for SHA-256 e134d21212f43bcb…

MALICIOUS

PDF

281.2 KB Created: 2021-03-28 13:46:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c25bcc2cf59949df3ecd64237997ec14 SHA-1: d8c635a5b639d31a291ef17ef19dac09c576722a SHA-256: e134d21212f43bcb98c434d8573d029e0de4007ddd58930bbb009c3377421d5e
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is identified as malicious by ML classifiers and ClamAV, with a high-risk score. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' indicates the document's content is designed to trick users into believing they are entitled to a prize or parcel, a common advance-fee fraud scheme. The embedded URL 'https://seumenha.ru/wix?keyword=setlist+bruce+springsteen+hyde+park+2009' is likely part of this lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9902

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://seumenha.ru/wix?keyword=setlist+bruce+springsteen+hyde+park+2009
    • http://ribavid.medianewsonline.com/allan_quatermain_free_download.pdf
    • https://static.s123-cdn-static.com/uploads/4464541/normal_5fcf1aead5f2f.pdf
    • https://cdn-cms.f-static.net/uploads/4494160/normal_6035dec9028d4.pdf
    • https://static.s123-cdn-static.com/uploads/4454172/normal_5fd0704204fc2.pdf
    • https://cdn-cms.f-static.net/uploads/4460449/normal_602fe4fe4a6b1.pdf
    • http://veviwumifuvemuz.mypressonline.com/rational_and_irrational_beliefs.pdf
    • https://cdn-cms.f-static.net/uploads/4464861/normal_603b606866984.pdf
    • http://matizaw.mywebcommunity.org/jekosegutupaga.pdf
    • https://static.s123-cdn-static.com/uploads/4401694/normal_5fefed88c7daf.pdf
    • https://static.s123-cdn-static.com/uploads/4403685/normal_5ffd36f03c801.pdf
    • https://static.s123-cdn-static.com/uploads/4393641/normal_5fe53b32c55b3.pdf
    • https://cdn-cms.f-static.net/uploads/4389090/normal_6042fbc9eb675.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fukuselumetu.myartsonline.com/we_are_all_completely_beside_ourselves_a_novel.pdf
    • http://dogabofeki.epizy.com/tc_electronic_hall_of_fame_reverb_toneprint.pdf
    • http://wofekasirirak.rf.gd/nazekagarufoxemogexa.pdf
    • https://s3.amazonaws.com/bejexe/685436235.pdf
    • https://s3.amazonaws.com/lemerisinivum/iq_test_mensa_norway_answers.pdf
    • http://jefuxizimume.rf.gd/bsc_exam_date_2020_kanpur_university_download.pdf
    • http://mifinuxob.epizy.com/acute_mastoiditis.pdf
    • https://s3.amazonaws.com/vezumobigodub/canon_in_d_piano_sheet_easy.pdf
    • https://s3.amazonaws.com/zikeko/64960073553.pdf
    • http://nolonogatifotop.epizy.com/86603702084.pdf
    • https://s3.amazonaws.com/jozaponi/67495401408.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.

FilenameKindSourceSize
font_00_sfnt_off00041427.bin
54fa6dcb1825d40c7d3b9098208abdf4939dc360296996c4c972dcc3e3a54944		 pdf-font-stream PDF embedded font (sfnt) at offset 0x41427 6172 bytes
font_01_sfnt_off00042914.bin
289b9a9118a1347b2b67a0510437c2d519547a6ef2f380d1c73bd2c9d35d18a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x42914 13552 bytes

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