Malicious PDF — malware analysis report

Static analysis result for SHA-256 60966b076ac53d36…

MALICIOUS

PDF

78.9 KB Created: 2021-02-27 16:43:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 1ec892373d7e640e68008aab28bf9441 SHA-1: 207b747c18f59acaaa1a76c71754ffaa1814dce2 SHA-256: 60966b076ac53d3661fe89c6e2b49963d465c441f0bc67881fe1337a507a2505
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to host a phishing or malware delivery page. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, potentially for credential harvesting or further payload delivery.

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=how+to+understand+ukulele+strumming+patterns PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4413109/normal_5fd3a61a84b99.pdfIn PDF document text
    • http://natur-bio.space/broken_angel_status_songj9fxy.pdfIn PDF document text
    • http://zhk-rekord.info/18167937673toolp.pdfIn PDF document text
    • http://towufato.mywebcommunity.org/will_the_stock_market_be_better_tomorrow.pdfIn PDF document text
    • http://organize.shop/motetdpo89.pdfIn PDF document text
    • http://kostlike.site/nikabifubajupeolobp.pdfIn PDF document text
    • http://stixlife.info/38668138842qqbo8.pdfIn PDF document text
    • http://bet-info.ru/zixetazipafobuj3oa4w.pdfIn PDF document text
    • http://crubr.space/zolajusonv7gb9.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/tokudapele/cakewalk_sonar_6_free.pdfIn PDF document text
    • https://s3.amazonaws.com/minabiwa/uterine_cancer_screening_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/buponuwebi/alikiba_mbio_audio.pdfIn PDF document text
    • https://s3.amazonaws.com/rutufokedizon/evil_within_chapter_10_boss_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/lebejos/amadeus_vista_training_software_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xirixepo/big_ideas_math_book_8th_grade_answers.pdfIn PDF document text
    • http://sogoxutagejuno.atwebpages.com/how_do_i_change_the_number_of_rings_on_my_answering_machine.pdfIn PDF document text
    • https://s3.amazonaws.com/jidagafinuxesu/rivulowijapozegebomug.pdfIn PDF document text
    • https://s3.amazonaws.com/kudufigunabi/30627632768.pdfIn PDF document text
    • https://s3.amazonaws.com/kikunojulejuj/google_agenda_en_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/bejokazemur/formal_dress_rental_baton_rouge.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_off0000f725.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF725 5396 bytes
SHA-256: d270e7bc2d14f12c2bf617a674bb417260f7bee80b22600dda16e788b00708bd
font_01_sfnt_off0001097d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1097D 10876 bytes
SHA-256: f0ef435479a55d9bbc0eea9d9f6f527dd5f000c805a832f5ead90b6889e2aac8

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