Malicious PDF — malware analysis report

Static analysis result for SHA-256 8486fa5bb46cfd1a…

MALICIOUS

PDF

69.0 KB Created: 2021-02-23 13:42:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: d307b2374cd41e4027150a6926c806a8 SHA-1: 21083c7a8a41ce1ff38e571fd4baa0cc5ebfb097 SHA-256: 8486fa5bb46cfd1a981bbce8ec85bcc4266c68a74516c5809cea8bd5aa712d05
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://bologen.ru/strik?utm_term=john+phillips+commentary+used PDF link annotation
    • https://didokizobu.weebly.com/uploads/1/3/4/7/134711826/be638f85.pdfIn PDF document text
    • https://cdn.sqhk.co/kisesawaropo/fehbidN/electric_guitar_combo_amp_reviews.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468554/normal_5fe4f5a548dc3.pdfIn PDF document text
    • https://cdn.sqhk.co/metexemoraga/bpFKtX8/pulse_pressure_units.pdfIn PDF document text
    • https://cdn.sqhk.co/janawezexoj/hfiaihM/social_media_downloader_online.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366031/normal_60226762e1174.pdfIn PDF document text
    • https://dogopakuva.weebly.com/uploads/1/3/4/6/134698139/podenuju.pdfIn PDF document text
    • https://siwizapetodid.weebly.com/uploads/1/3/4/0/134041585/nugewowalifepow-roxifig.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467005/normal_5fcc4526ec6a7.pdfIn PDF document text
    • https://cdn.sqhk.co/dubikureta/YSDsie3/turiliz.pdfIn PDF document text
    • https://cdn.sqhk.co/gidagolusi/TzRjejg/83857659925.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402486/normal_5fc7e63084203.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/zarevizebi/rotixuxalofised.pdfIn PDF document text
    • https://s3.amazonaws.com/kagedatabujo/ponafena.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxexi/53744067577.pdfIn PDF document text
    • https://s3.amazonaws.com/voxulija/wivaluzuwepatiwotej.pdfIn PDF document text
    • https://s3.amazonaws.com/nitizobuv/game_bowmaster_2_mod_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_off0000d0eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0EB 5404 bytes
SHA-256: ccd3328a4da8a65141781c7cb6b3e59b411b8f2491f733ec7ee643679331b63f
font_01_sfnt_off0000e324.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE324 10476 bytes
SHA-256: 87e4b68b90ccc2a79634afcacdddbe8f55fd66b01e289a2a4412815a69f4f9e3