Malicious PDF — malware analysis report

Static analysis result for SHA-256 d69e823d34c62c47…

MALICIOUS

PDF

77.4 KB Created: 2021-03-27 10:16:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 8adc1b2544f04d11649727f0392a8598 SHA-1: 0da6e049834f586923e8e3ac56ff449668a39337 SHA-256: d69e823d34c62c47a4359a94985775fc8278a21cfc6df8ef8c0f99654c59e648
96 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to 'https://ponafet.ru/award?keyword=infarctus+du+myocarde+symptomes+pdf', suggesting a phishing or social engineering lure. The document body, though heavily obfuscated, contains text related to the URI's keyword, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://ponafet.ru/award?keyword=infarctus+du+myocarde+symptomes+pdf PDF link annotation
    • https://cdn.sqhk.co/pixazizaze/ZTTYhcX/90990889906.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369665/normal_5fe7ed6d4d4f2.pdfIn PDF document text
    • https://cdn.sqhk.co/rowagana/wgfsZid/65704268056.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474977/normal_5ff3f842cccf6.pdfIn PDF document text
    • https://cdn.sqhk.co/sivumazudi/gcMojjr/fabunekejejati.pdfIn PDF document text
    • https://cdn.sqhk.co/givinonu/FggAZJm/labyrinthine_fistula_vs_perilymph_fistula.pdfIn PDF document text
    • http://nufudaluwunuja.22web.org/commercial_cool_-_3.2_cu._ft._mini_fridge.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451348/normal_601fdf93c8581.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469630/normal_600f013ccd64f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410432/normal_5ff8541196728.pdfIn PDF document text
    • http://vizezokope.iblogger.org/mufitupidubavumosubat.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vuxaputu.epizy.com/astm_a106_grb.pdfIn PDF document text
    • http://tesoduv.rf.gd/love_letter_malayalam_album_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/laginekux/28388337471.pdfIn PDF document text
    • https://s3.amazonaws.com/fowikorejodi/tubopeloragijesonowozoba.pdfIn PDF document text
    • https://s3.amazonaws.com/vabemavuputenif/g._f_b._f_love_images.pdfIn PDF document text
    • https://s3.amazonaws.com/nopomewegobij/traffic_racer_hack_apk_ios.pdfIn PDF document text
    • https://s3.amazonaws.com/votuweroxigezog/ripamatudur.pdfIn PDF document text
    • https://s3.amazonaws.com/minaxigevani/salorexevalulibinuda.pdfIn PDF document text
    • http://fuzaxovojige.epizy.com/digij.pdfIn PDF document text
    • https://s3.amazonaws.com/mukutud/how_to_gain_3500_calories_a_day.pdfIn PDF document text
    • https://s3.amazonaws.com/rexogeguxosix/why_risk_assessment_important.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/gulivojosizoxowudanek.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_off0000eccc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECCC 5308 bytes
SHA-256: a15960a5a17698936ac8d25caa0b9d3ec3301aa8971dff806b536a1dce5f0a14
font_01_sfnt_off0000fed3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFED3 12744 bytes
SHA-256: 0ef93569e95d12089a08bd85c6ef893c57f626f25278139dfb3e187983214520

Open this report in the interactive analyzer, or submit your own file for analysis.