Malicious PDF — malware analysis report

Static analysis result for SHA-256 32bbc3997b72e631…

MALICIOUS

PDF

64.0 KB Created: 2021-02-27 08:04:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: d39734543c7bcbcefbdbf008e7b746ca SHA-1: 2cbb7d2e46808049545e48b80c6c7500acc1f4e0 SHA-256: 32bbc3997b72e631ecfede480bc6dc8937b14a12c22bb8a1f416060f14db25e1
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a specific ClamAV detection name indicating it is a phishing trojan. The embedded URL, disguised within the document's metadata and body, points to a suspicious domain, likely intended to host a malicious payload or redirect the user to a phishing site. No scripts were extracted, but the presence of an external URI and the overall detection suggest a phishing or malware delivery attempt.

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://druttle.ru/123?utm_term=my+first+spanish+word+book+pdf PDF link annotation
    • https://cdn.sqhk.co/woluzadeviv/COghekF/cotton_traders_water_toggle_trainers.pdfIn PDF document text
    • https://cdn.sqhk.co/tirabipati/Ngeul78/learn_apple_drawing.pdfIn PDF document text
    • https://cdn.sqhk.co/gusiloxi/Sijjcii/mafexosegumijimo.pdfIn PDF document text
    • https://cdn.sqhk.co/dojidavos/Wgghz5s/xitezusavavafilid.pdfIn PDF document text
    • https://cdn.sqhk.co/bubiwalifeda/wOgfnfO/lexotaladadoz.pdfIn PDF document text
    • https://cdn.sqhk.co/mewovegid/NOid4Hq/ridoxum.pdfIn PDF document text
    • http://vekogevev.22web.org/rejubujij.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mevajem.rf.gd/8430799865.pdfIn PDF document text
    • https://s3.amazonaws.com/benuka/kilesebe.pdfIn PDF document text
    • http://pemukusa.epizy.com/adani_green_energy_annual_report.pdfIn PDF document text
    • https://s3.amazonaws.com/boduxatavepe/ampli_line_6_spider_4_30w.pdfIn PDF document text
    • https://s3.amazonaws.com/xixonu/tuzuxipivubilosow.pdfIn PDF document text
    • http://fowasabitafal.epizy.com/63782560326.pdfIn PDF document text
    • http://luvoximod.epizy.com/terakokuniwadevafamibewo.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_off0000c055.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC055 5500 bytes
SHA-256: 7240f04ebc3297f6ee1836dcf5804039690a732c87b165352eeb69b95e717c09
font_01_sfnt_off0000d322.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD322 9340 bytes
SHA-256: a155d762308ba370d9af06474271f69da5f5fa8ef7569315197e05f044ae4269