Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6f63038058e3f91…

MALICIOUS

PDF

82.9 KB Created: 2021-04-06 08:27:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 45430ae2cc49e4d31f189a61c7516f42 SHA-1: d831dcbb55c77df96ff7ad9688196fe94b3ded6e SHA-256: e6f63038058e3f914a0d5f735df091fa3aaa8c78ca88695b5745dc2ef5789f38
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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://xezojetit.ru/123?utm_term=aasai+album+songs+free++starmusiq PDF link annotation
    • https://vibusipapomokij.weebly.com/uploads/1/3/2/6/132682711/df58a1bee.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452850/normal_600dc7dc980bd.pdfIn PDF document text
    • http://golden-charm.ru/1037553764888jc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489733/normal_600c0553904c3.pdfIn PDF document text
    • http://lighterusb24.site/54498344838dxdve.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365599/normal_6059e67449714.pdfIn PDF document text
    • http://the-job.ru/enthiran_movie_script6qtsf.pdfIn PDF document text
    • https://vawuzusafut.weebly.com/uploads/1/3/4/8/134863851/sakobaso_pexeboginetu_xexozoxujabe.pdfIn PDF document text
    • https://fepobiwebefu.weebly.com/uploads/1/3/4/5/134592484/xonakilebuzu_sasofasuxalad_letolupijupixo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487194/normal_603a805592594.pdfIn PDF document text
    • http://xiwasaruv.66ghz.com/1338061395.pdfIn PDF document text
    • http://raftgjgr.space/debuvuwavajupifoxakugejutywxr9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://baruluzibovog.epizy.com/67791469449.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/62988220.pdfIn PDF document text
    • http://zijilevigapoxo.epizy.com/78794744246.pdfIn PDF document text
    • https://s3.amazonaws.com/numegubowalonan/fingerprint_lab_worksheet.pdfIn PDF document text
    • http://pawepefefuluku.epizy.com/athlean_x_workout_program.pdfIn PDF document text
    • https://s3.amazonaws.com/petikamov/78485674183.pdfIn PDF document text
    • http://vesezibasesize.epizy.com/58436324373.pdfIn PDF document text
    • https://s3.amazonaws.com/kezemiradigu/68396168855.pdfIn PDF document text
    • https://s3.amazonaws.com/falufusu/mail._ru_pro_apk.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_off000104b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104B2 5340 bytes
SHA-256: 681a1e686d9766e75a197edec9a1a30c5fbf16a892948d3f0706a500fbd962a8
font_01_sfnt_off000116c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116C5 11656 bytes
SHA-256: 18739bcf8b817c18af26948d7abf19b943aece02c773631f250ded57f4b38765

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