Malicious PDF — malware analysis report

Static analysis result for SHA-256 70717cbdae741ea8…

MALICIOUS

PDF

68.7 KB Created: 2020-11-12 15:23:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: a529ddeb4f95d364582bf388c7b04b59 SHA-1: 285d89d97b7d402b307c4de968d4980bcf7bed94 SHA-256: 70717cbdae741ea873b8ef036a35bfd54a55133ccdf048ff12320c3ca733ff8e
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 0.9998

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://traffine.ru/123?utm_term=does+poison+ivy+have+pink+flowers PDF link annotation
    • https://gamorajemusuro.weebly.com/uploads/1/3/4/3/134316050/15d636bf1.pdfIn PDF document text
    • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/1356637.pdfIn PDF document text
    • https://xikalevu.weebly.com/uploads/1/3/4/3/134319979/8483805.pdfIn PDF document text
    • https://jixiriramoke.weebly.com/uploads/1/3/4/3/134320492/zifuvoxesi.pdfIn PDF document text
    • https://mufedagejex.weebly.com/uploads/1/3/4/7/134726032/lorubavevotu.pdfIn PDF document text
    • https://jujizifij.weebly.com/uploads/1/3/4/3/134309807/vaparivi_widide.pdfIn PDF document text
    • https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/nudulukebiwugi_kepakoxixeke_sapidafe_rezosawu.pdfIn PDF document text
    • https://resudejo.weebly.com/uploads/1/3/4/4/134471902/wajurofixov.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/punagilelabon/rodasijurenelixomoliditu.pdfIn PDF document text
    • https://s3.amazonaws.com/zirojopemup/auxinas_funcion.pdfIn PDF document text
    • https://s3.amazonaws.com/vajefam/gowopetupifafuwuti.pdfIn PDF document text
    • https://s3.amazonaws.com/viregujipowuru/9682878808.pdfIn PDF document text
    • https://s3.amazonaws.com/busutafitufe/zenev.pdfIn PDF document text
    • https://s3.amazonaws.com/zetituri/zabojudugezasozoga.pdfIn PDF document text
    • https://s3.amazonaws.com/nagavuwofapan/excel_2013_the_missing_manual.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_off0000d15c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD15C 5304 bytes
SHA-256: 43dd022aabab22bbc2f61c818bcf091fe677d6c243f3c497ac43b8b2d017954d
font_01_sfnt_off0000e388.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE388 10160 bytes
SHA-256: cb90f49ffe0a055d70fb60a6f3c0649a3250cec8d03cdfb1702ff496b9dec2ed

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