Malicious PDF — malware analysis report

Static analysis result for SHA-256 7881e0606a602e25…

MALICIOUS

PDF

67.3 KB Created: 2021-02-24 04:56:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9a8f7286c86f5499ecbac09eab4af1e0 SHA-1: 13a902e3cd11ab01ceec9dfbdaeb58e358ddd810 SHA-256: 7881e0606a602e25a440781acbf0344de257feef999094d33e79721615dbc201
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by a machine learning classifier and ClamAV. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document's content, though heavily obfuscated, appears to be related to car leasing, suggesting a lure to entice users to click the malicious link.

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://seumenha.ru/strik?utm_term=2019+lexus+rx+350+leasehackr
    • https://wusoditada.weebly.com/uploads/1/3/1/4/131406121/makesen.pdf
    • https://cdn.sqhk.co/tipadasa/jhaYuha/gomavabudemupija.pdf
    • https://powirubojeti.weebly.com/uploads/1/3/1/4/131482959/6704bfe57e7d14b.pdf
    • https://zewadozodatigi.weebly.com/uploads/1/3/4/3/134337643/nurapedewuda_dugojot_fivumig_lilobapag.pdf
    • https://cdn-cms.f-static.net/uploads/4378834/normal_603187ee9946d.pdf
    • https://cdn-cms.f-static.net/uploads/4386829/normal_601e5ea175f90.pdf
    • https://cdn.sqhk.co/pefemezized/Ijighdq/43732645013.pdf
    • https://static.s123-cdn-static.com/uploads/4411700/normal_5fe3f057b7f50.pdf
    • https://cdn.sqhk.co/mozulunilex/GjgijpK/vediresebugarijumabojon.pdf
    • https://static.s123-cdn-static.com/uploads/4465262/normal_6000c8a3e86da.pdf
    • https://saxipapes.weebly.com/uploads/1/3/0/7/130738636/2454144.pdf
    • https://static.s123-cdn-static.com/uploads/4500882/normal_5fc6d07e6f985.pdf
    • https://noxiwufozale.weebly.com/uploads/1/3/0/8/130814513/fe61bc18f1b.pdf
    • https://cdn-cms.f-static.net/uploads/4416501/normal_6015646a8dd5c.pdf
    • https://xemavuvewo.weebly.com/uploads/1/3/5/3/135394060/dotesut-jumovikigel-zaginivunej-roledow.pdf
    • https://ridimejaxokixis.weebly.com/uploads/1/3/5/3/135340331/jesexuwijor_petafubakib_tiridefiseba.pdf
    • https://static.s123-cdn-static.com/uploads/4465924/normal_5ff678b87ee82.pdf
    • https://cdn.sqhk.co/lesasafo/gijhjdt/79739680236.pdf
    • https://vigoruso.weebly.com/uploads/1/3/4/1/134131386/fetujowovagove-zepuremefadunar-banededer-pibokumu.pdf
    • https://xuwapitevakud.weebly.com/uploads/1/3/2/6/132682402/mesev.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/wovugi/bipato.pdf
    • https://s3.amazonaws.com/leributafa/repitesofidugawojapoxoju.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_off0000c685.bin
9f15e89587b77e9bf4b423508171ff793960e7f4392f55929e31cf598b7faa58		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC685 5692 bytes
font_01_sfnt_off0000d9dd.bin
c3eb8455d122e9923dd2f8d93cbd04bcc7057f143c72bd39b8d3298783654c60		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD9DD 11080 bytes

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