Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb25fb62d54e24a1…

MALICIOUS

PDF

75.0 KB Created: 2021-03-22 12:36:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: acc13de2c6d9c03099c2e74a2dbad55d SHA-1: 57bfb930180494a8530852c1b2e9af86499099a5 SHA-256: fb25fb62d54e24a1d47bffdcba39283f21f9b64d30f5ee370fbce5a2044e19ab
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://soxebez.ru/wix?keyword=nba+live+mobile+hack+apk+download+ios PDF link annotation
    • http://waranijovuv.sportsontheweb.net/limunuti.pdfIn PDF document text
    • http://forajadafogaxuv.medianewsonline.com/24692104163.pdfIn PDF document text
    • http://gepanukotex.getenjoyment.net/gordon_leishman_helicopter_aerodynamics.pdfIn PDF document text
    • http://www.gametipsfree.xyz/?p=159NBAIn 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/a6bc014a-e45f-4505-b96d-4dcc7fadfe4a/29551098140.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9bceb717-d1d7-428e-8737-e2bc9ba2492e/netipezadafenupubetaxoli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c83e32b2-9085-4c41-acc0-95672c88a858/how_to_crochet_a_beanie_hat_for_adults.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e6338625-f524-4ddc-a7d2-6835cb33b570/loxotunojotigo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d3458add-9a3d-4f1f-911e-95f52915e370/2016_vw_passat_transmission_fluid_change.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/68614520-f5ca-4e88-b88c-f3060c3c10fb/the_dating_game_killer_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c259f897-4830-4bd3-ba0d-ffdbb0909822/lujolusefobujekesi.pdfIn PDF document text
    • http://rodobokojezaga.epizy.com/fluvial_landforms_meaning.pdfIn PDF document text
    • http://mibodezoboro.rf.gd/51563644319.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b2c6b736-0f8c-4c5c-aca6-bda72328e2a2/noxusogimeraxofegawexab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/20df6fba-b5a7-4987-b72c-86dcdfa03377/how_to_use_external_flash_nikon_d3400.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae3deacf-6e7a-43a2-9b9d-1e024fb0fad4/common_themes_in_books_anchor_chart.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a8b93d3-f50e-47bb-a720-1dbe46cafaca/logitech_k330_receiver.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e657b08-a06b-4994-9285-9884cb4567c5/que_es_una_imagen_satelital_landsat.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_off0000e6d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6D0 5544 bytes
SHA-256: 6dbc9c25cea5eeb3d0c71ec41848626ec64ee1b508dbf2e05153a61672642bf9
font_01_sfnt_off0000f998.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF998 10944 bytes
SHA-256: 097c3ae96220a2be1fae9236cce7215ded3d9770c96d6a0cf36e2266a2876b75

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