Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac19b626fe3122da…

MALICIOUS

PDF

75.5 KB Created: 2021-02-18 20:40:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 070cae30b96f9a2c5c8ed9e7ac128b1d SHA-1: 9fbe557a281790094b49e9c867ee13b987962718 SHA-256: ac19b626fe3122da18a6c991ba2c1ad29d3fb9ba0020b680e4e9c5554ddf32e8
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://maypoin.ru/wix?keyword=blocked+out+game+hacked PDF link annotation
    • http://reduslim-italia.website/la_conspiracion_de_los_ricos_resumen_por_capitulosrszfz.pdfIn PDF document text
    • http://tipografiyav.moscow/tejomelananudovamu55i54.pdfIn PDF document text
    • http://doordash.fun/banubuvivizut83gbh.pdfIn PDF document text
    • http://brumbum2.xyz/wajipokozabfx8k.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443595/normal_601f6b684086d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467277/normal_5fdb984ebe6eb.pdfIn PDF document text
    • http://startbastar.online/jefef9wvhz.pdfIn PDF document text
    • http://palitra-cveta.ru/dyson_ball_animal_2_replacement_partstyk5y.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387421/normal_5feeb4a0d7c9b.pdfIn PDF document text
    • http://dkmz2.club/588904944215bxu8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/fukepez/87364994877.pdfIn PDF document text
    • https://s3.amazonaws.com/lorugipopuxe/no_cable_tv_guide_springfield_mo.pdfIn PDF document text
    • https://s3.amazonaws.com/vibuvomomuv/44067294753.pdfIn PDF document text
    • https://s3.amazonaws.com/xijilesuzuxo/the_chimp_paradox_audiobook.pdfIn PDF document text
    • http://laneneloko.epizy.com/chevy_equinox_2017_owners_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ded4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDED4 4920 bytes
SHA-256: ac9d9b0c6b3e89a97162f821dd2855d5423895027ac9476b3f5ce80a261f90bf
font_01_sfnt_off0000ef98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF98 10240 bytes
SHA-256: 60e892e2c2e1b0faf11145ad22b1773bc98bd9c0d1f2dc1a6b83eb2bda107049
font_02_sfnt_off000112b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x112B1 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3