Malicious PDF — malware analysis report

Static analysis result for SHA-256 569f77d0a669a20b…

MALICIOUS

PDF

79.7 KB Created: 2021-02-27 23:56:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 7ffee742314cde8fcfc136754974370b SHA-1: 71c077ba2fef2cc9d224e46a219fffc33eb925e5 SHA-256: 569f77d0a669a20b0981e0aec50d53f2cd7aacdcc2c3f5afa885b3ae131a0316
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 high risk score. It contains an embedded URL pointing to a suspicious domain, disguised within what appears to be product information in the document body. This suggests a phishing or malware distribution attempt via a malicious attachment.

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://seumenha.ru/strik?utm_term=samsung+un24h4000+24-inch+720p+led+tv.+pros PDF link annotation
    • http://zobuzuw.iblogger.org/78699840667.pdfIn PDF document text
    • https://cdn.sqhk.co/zaviresodew/e7hjb6f/16862676337.pdfIn PDF document text
    • http://fofolep.mywebcommunity.org/rilebofisope.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fewetero.epizy.com/canal_boat_magazine.pdfIn PDF document text
    • https://s3.amazonaws.com/werowibovezoje/date_and_time_format_in_python.pdfIn PDF document text
    • http://sexomiluvimuke.rf.gd/bhoothnath_returns_video_song_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/debiwelof/serogaxo.pdfIn PDF document text
    • http://kujewawazereki.rf.gd/66472752004.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubatebedoxez/xetixowixunukore.pdfIn PDF document text
    • https://s3.amazonaws.com/laginekux/website_legal_disclaimers_template.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/abcd_movie_2013_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/vipinib/88880905171.pdfIn PDF document text
    • https://s3.amazonaws.com/mokixetat/betpawa_uganda_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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dfd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFD9 6156 bytes
SHA-256: b877a6d504a39f4e50acd53cb4ccd420488892f2112a9cbb976d66d7290325bc
font_01_sfnt_off0000f4c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4C2 11212 bytes
SHA-256: bc09dc797378bba7848348aba5aa71df9c52e81208c46b24ee5bf0ccf6272794
font_02_sfnt_off00011b37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11B37 16092 bytes
SHA-256: c9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e

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