Malicious PDF — malware analysis report

Static analysis result for SHA-256 ead7511879afe760…

MALICIOUS

PDF

208.8 KB Created: 2021-04-24 15:54:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 679aca17ce0c24c078e51d92ba7dac4c SHA-1: 9400c61eed9b0d38780998fe9559887c17e093d4 SHA-256: ead7511879afe760e2d4579e5fe589cafce83e5cde69ce6f3774d96a45c4b0ca
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 0.9916

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://nipisod.ru/strik?utm_term=nora+a+doll%2527s+house+script PDF link annotation
    • http://xibevajisigidig.22web.org/stihl_ts420_instructions.pdfIn PDF document text
    • https://xikunozazoteta.weebly.com/uploads/1/3/1/4/131453294/voxadejogulera.pdfIn PDF document text
    • https://bogigevaruzo.weebly.com/uploads/1/3/4/4/134435623/bixukumekalajatonaxa.pdfIn PDF document text
    • https://wivapitawipalex.weebly.com/uploads/1/3/2/6/132682528/folozidutel-ziroratam-mekokozomukaja-xevoregojosuma.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410015/normal_60016768dc4d5.pdfIn PDF document text
    • https://cdn.sqhk.co/xuvomuvugu/hcmgj9U/5146451436.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389571/normal_6056bc150cc32.pdfIn PDF document text
    • https://zukifetev.weebly.com/uploads/1/3/4/7/134725253/safajokuk-joledadegumek-namogorazamuru.pdfIn PDF document text
    • https://cdn.sqhk.co/devisofage/HAgfih6/download_dino_safari_2_mod.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4466165/normal_60383506ef462.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455376/normal_6004faf038906.pdfIn PDF document text
    • https://dofopukirisozut.weebly.com/uploads/1/3/1/4/131437491/102b99a3.pdfIn PDF document text
    • https://cdn.sqhk.co/genedofe/98r5KYV/define_draw_in_synonymous.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417309/normal_600669dee7fc2.pdfIn PDF document text
    • https://cdn.sqhk.co/zubavagi/U484ghc/hero_wars_hero_fantasy_multiplayer_battles_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469630/normal_60508ca64538e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383797/normal_60207db43f680.pdfIn PDF document text
    • https://cdn.sqhk.co/satidaruxami/jbn1ijU/admin_template_using_react.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/b4ed994a-fc69-4e90-86b3-cbc58a4aa44a/how_to_reset_control_panel_on_lg_refrigerator.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7d732b3-6086-433c-928d-ea5c56b8e445/nabogusibivedab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/930d823d-e00c-49c2-85be-56c7bd912d27/lean_canvas_template_powerpoint.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/99a7d77d-1dab-4e43-b607-a9d7e6b5e378/how_to_connect_pentair_screenlogic.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df5d7262-5171-47dc-be91-53451fbc15b2/think_and_grow_rich_the_legacy_movie_free_download_in_hindi.pdfIn PDF document text
    • http://rewelopax.rf.gd/nosujojudopudalukit.pdfIn PDF document text
    • http://pixawobizazixe.rf.gd/supercapacitors_101.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_off0002fa1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA1B 5164 bytes
SHA-256: fe4caefcae49faedda5fc3531d322739083d8cd1b2e0fbd048cc74016abe77ab
font_01_sfnt_off00030bae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30BAE 12072 bytes
SHA-256: a9c4196fde853bab3d7fe461f953ee1f35db2907dab8aba50d6fad7f2c45e547

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