Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce8352d8c6149e28…

MALICIOUS

PDF

76.9 KB Created: 2021-04-30 20:04:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 903824936ddd7e8d85a8294df98d4d1a SHA-1: 1c623d14e7d4d86b076f209fc5796b5178985854 SHA-256: ce8352d8c6149e2899012e851c999e87004f0f4179dd29248724987f66d5f9ab
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://midufefew.ru/strik?utm_term=curso+de+extens%25C3%25A3o+o+q+%25C3%25A9 PDF link annotation
    • http://arthromedshop.xyz/facebook_lite_update_version_2019914vh.pdfIn PDF document text
    • http://idealica-italiaufficiale.site/78893701144y0onc.pdfIn PDF document text
    • http://japancar-sib.ru/cyberpunk_2077_release_date_xbox_series_x4cr6b.pdfIn PDF document text
    • http://mangalvpodarok.ru/961373643256cs7h.pdfIn PDF document text
    • http://unreguezff.rest/cazadores_de_sombras_los_origenes_libros_en_ordenwh3rl.pdfIn PDF document text
    • http://avtoshtorki.shop/xiximapojanidogevebudapak06yi.pdfIn PDF document text
    • http://maewallace.com/gavetizoxelowunazalobwezv.pdfIn PDF document text
    • http://ewop.space/lyft_driver_scamse6zuu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d9c37ab-7781-441b-854a-fef232387ccc/43231655897.pdfIn PDF document text
    • https://s3.amazonaws.com/daselex/jobilozerepavufezaboxatip.pdfIn PDF document text
    • https://s3.amazonaws.com/dogevazapiwediw/pimutozamipubitakawono.pdfIn PDF document text
    • https://s3.amazonaws.com/zevutebulaworel/oc_reference_sheet_base.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f60d74d-50f1-4d56-929c-75b1b66f87bd/59692120296.pdfIn PDF document text
    • https://s3.amazonaws.com/vosimalume/ulysses_tennyson_analysis_line_by_line.pdfIn PDF document text
    • https://s3.amazonaws.com/zuniverijesud/samsung_galaxy_grand_prime_case_ebay.pdfIn PDF document text
    • https://s3.amazonaws.com/wujixus/grim_dawn_cabalist_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/xewamejixolefaj/table_top_dough_sheeter_machine_in_india.pdfIn PDF document text
    • https://s3.amazonaws.com/bupijila/37873450317.pdfIn PDF document text
    • https://s3.amazonaws.com/jadudusujuje/64433814364.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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ead7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAD7 5136 bytes
SHA-256: 1e4ed24a3c81ae5f2616951955d2280edc048a48c7c452e55fe112a7581a9c75
font_01_sfnt_off0000fc0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC0A 13560 bytes
SHA-256: 88b4e50402222d52b49d89445fbe407b78793fc46e02b73236bc56d4089479b4

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