Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce63aa6c0dab8d2f…

MALICIOUS

PDF

72.7 KB Created: 2021-03-27 10:33:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 919b4b7a20397f5c3e8ec9b3f1c64ed5 SHA-1: ef0734165e351cba02f68760a7e9dda7d5b97a12 SHA-256: ce63aa6c0dab8d2fa784f279771cff42d042668565a759f8a1c6841496de85e9
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://dugedepap.ru/wix?keyword=torture+games+free PDF link annotation
    • http://lyudi23.ru/463323274670r7m7.pdfIn PDF document text
    • http://hookup153.online/fazanapamosuxerxntx.pdfIn PDF document text
    • http://thelait.pro/6_levels_of_cultural_competence7kyge.pdfIn PDF document text
    • http://dotenipago.medianewsonline.com/different_types_of_tort_claims.pdfIn PDF document text
    • http://tokio-2020.fun/apc_ups_600va_datasheetnq7yi.pdfIn PDF document text
    • http://hookup754.fun/history_alive_online_textbookl0dgj.pdfIn PDF document text
    • http://theplafond.xyz/11637132054hxq6z.pdfIn PDF document text
    • http://nexipufogavajid.getenjoyment.net/angielski_czasy_testy.pdfIn PDF document text
    • http://esplus.pro/doxokawafubadafikaruxiwadosliu.pdfIn PDF document text
    • http://sluzhba1.net/49701846626inv8d.pdfIn PDF document text
    • http://teksol.xyz/manual_radio_sony_xplod_cdx-gt300mptuz5s.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://b6c9d0de-81a1-4db9-ab7d-8a95af9e63d6.filesusr.com/ugd/b28ae2_b56c5ec2168a41e5897ef4030b4b3243.pdf?index=trueIn PDF document text
    • https://61df3396-90b5-4b69-a3ae-475c9da6ebc5.filesusr.com/ugd/516574_618dc14642aa4928b79f3c64e51e1203.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/54798578927.pdfIn PDF document text
    • https://s3.amazonaws.com/nuvukivaxiren/zagumaxabonumowuroxe.pdfIn PDF document text
    • https://s3.amazonaws.com/mokixetat/motorola_s10-hd_manual.pdfIn PDF document text
    • http://wififeju.atwebpages.com/dymo_letratag_100h.pdfIn PDF document text
    • https://71b34470-2e60-4936-811b-9f14cb47e32b.filesusr.com/ugd/1dbbf0_1b87c8e5ae5c49968f4837992d7e3fe4.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/neet_2020_registration_form_date.pdfIn PDF document text
    • http://zapusov.atwebpages.com/66504153807.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_off0000df62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF62 5004 bytes
SHA-256: 0f8efc7e2abfcda355536736ea8d675ed7192f228765de70c0b106a61813ae8f
font_01_sfnt_off0000f057.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF057 11048 bytes
SHA-256: 16d3fe4c8877e5a10bd09fd2940f7cf3fac22ddbba08394374f183f36aae184d

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