Malicious PDF — malware analysis report

Static analysis result for SHA-256 3065c3288bae690d…

MALICIOUS

PDF

69.1 KB Created: 2021-03-03 01:41:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 034e2d621b5d6fb19521fcab77c561f4 SHA-1: 3b31d14a51ec020cbeeacf6ae5d4446c82857289 SHA-256: 3065c3288bae690df2f870781ee2055f20e6d34cb1c9c188b918e2a84dc472ed
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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-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://vilenefex.ru/wix?keyword=solve+equations+with+fractions+worksheet PDF link annotation
    • http://heretythere.site/all_of_me_jazz_piano_solo4x1kx.pdfIn PDF document text
    • http://sowopezamiw.medianewsonline.com/what_are_the_elements_of_shakespearean_comedy.pdfIn PDF document text
    • https://cdn.sqhk.co/divoxisig/fhaAgjJ/kikigodog.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412757/normal_6026c459921e3.pdfIn PDF document text
    • https://cdn.sqhk.co/mojuzizimu/xbb2ia2/poe_golemancer_elementalist_vs_necromancer.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446635/normal_601b206fe375d.pdfIn PDF document text
    • https://cdn.sqhk.co/jujejorule/GigXgcL/my_ufone_number_is_suspended.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418567/normal_5ffc02849661f.pdfIn PDF document text
    • http://zitalogeloluwiw.mygamesonline.org/69237486823.pdfIn PDF document text
    • https://cdn.sqhk.co/gomalajipo/eigs3zc/toxosasojopu.pdfIn PDF document text
    • http://jikusofare.mywebcommunity.org/rizubisifisabutomamuko.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/xesigeze/the_choose_myplate_food_guide_was_developed.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/kudabirup.pdfIn PDF document text
    • https://s3.amazonaws.com/nigimul/get_ielts_band_9.pdfIn PDF document text
    • https://s3.amazonaws.com/sorapobuk/bootstrap_datepicker_set_date_format.pdfIn PDF document text
    • https://s3.amazonaws.com/goneduzum/forcepoint_endpoint_dlp_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/bovenotojitowe/3913857963.pdfIn PDF document text
    • https://s3.amazonaws.com/wumodukubaru/spehlmann_s_evoked_potential_primer.pdfIn PDF document text
    • https://s3.amazonaws.com/bifadiwuwileji/zusatok.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_off0000d2f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2F9 5412 bytes
SHA-256: 628aab6f70e86bbc85da9bc47061e02bc5c24334ede963ab25b1d7121a934a70
font_01_sfnt_off0000e57b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE57B 9880 bytes
SHA-256: 1a1551590ad814a016052cffcaf03552e897c21bcb6705400ba9e1c2c14a695a

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