Malicious PDF — malware analysis report

Static analysis result for SHA-256 6464b9c14a535896…

MALICIOUS

PDF

69.0 KB Created: 2021-04-15 09:47:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 28cb83636f5cfeed0b47402057aba9a5 SHA-1: 54d0b4686e6ee72d275a233154c38ce9eba35ffd SHA-256: 6464b9c14a535896d606b7b98e2eb09269fe60aaabbd923d77f1acb07c74ef1c
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-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://gimoguvi.ru/strik?utm_term=descargar+audiolibro+los+secretos+de+la+mente+millonaria PDF link annotation
    • http://cccckkkkkdd.space/memor72gri.pdfIn PDF document text
    • https://cdn.sqhk.co/motuvitewodi/isiajgs/android_mobile_screen_recorder_free_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464870/normal_603217017585f.pdfIn PDF document text
    • http://teachersaid.fun/89772980978b5zti.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406455/normal_6027224c4add4.pdfIn PDF document text
    • http://stopro.store/best_interior_design_software_macponno.pdfIn PDF document text
    • https://cdn.sqhk.co/zejejofe/DNjbgij/when_will_cinemark_theaters_open_again.pdfIn PDF document text
    • http://lofitner.buzz/vukejagofebitotugexr4fl.pdfIn PDF document text
    • http://de-bewertung-id2842384.icu/64428548943u52nt.pdfIn PDF document text
    • http://instacopyrightcenter.com/muxixabadap9x2dd.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/gowebabuxogiro/21864251426.pdfIn PDF document text
    • https://s3.amazonaws.com/lejivugeleguwod/classic_wow_leveling_guide_undead_warlock.pdfIn PDF document text
    • https://s3.amazonaws.com/pezofut/harry_potter_and_the_order_of_the_phoenix_summary_chapter_1.pdfIn PDF document text
    • https://s3.amazonaws.com/rizijubovapuk/92733240053.pdfIn PDF document text
    • https://s3.amazonaws.com/winumigutam/ps_vita_game_gta_4.pdfIn PDF document text
    • https://s3.amazonaws.com/bikikanafopavu/kobedevuvawog.pdfIn PDF document text
    • https://s3.amazonaws.com/tumasun/entrusted_bible_study_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxulikiwab/esmo_guidelines_pancreatic_cancer_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubatebedoxez/gudisuvut.pdfIn PDF document text
    • https://s3.amazonaws.com/luxelula/mininuvurizasi.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_off0000cee2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEE2 5396 bytes
SHA-256: bfb587c46f11a1e9d2c820790834cc23b8e7f837771522839310ce6571cc610c
font_01_sfnt_off0000e12c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE12C 11460 bytes
SHA-256: 046e7fa718d01176d389f362b66d0a7fed8af9a84b62c9b632738c5f27332ffb

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