Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2e8e878cf8e878e…

MALICIOUS

PDF

970.2 KB Created: 2021-05-28 18:53:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: c7211274842cdecea1511f98d7249f64 SHA-1: 4026716e178d8b0069135bfb43dc4bf69070ab0e SHA-256: a2e8e878cf8e878e4e35f53565800bb1007875ed56fa3fb8c56a54b5b2fe3ac1
66 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ClamAV with a signature indicating phishing and trojan activity. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, contains text related to 'Banjara audio songs', potentially used as a lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0485

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://resalured.ru/123?utm_term=banjara+audio+songs+ing+come PDF link annotation
    • https://mobejameraxoluv.weebly.com/uploads/1/3/5/3/135316129/6245396.pdfIn PDF document text
    • https://mibimosa.weebly.com/uploads/1/3/5/9/135959727/vovirusexip-sugubomatuw-gilepurafusew.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481161/normal_6056724b20955.pdfIn PDF document text
    • https://lewagezu.weebly.com/uploads/1/3/4/3/134369469/26d2fe.pdfIn PDF document text
    • https://degodowaserujes.weebly.com/uploads/1/3/4/4/134494515/jewupepi.pdfIn PDF document text
    • https://rakulemuvi.weebly.com/uploads/1/3/4/5/134506415/9440787.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489969/normal_60641233824c3.pdfIn PDF document text
    • https://kawuloxegulul.weebly.com/uploads/1/3/4/3/134389306/5811996.pdfIn PDF document text
    • https://diveziriluro.weebly.com/uploads/1/3/4/4/134447321/xufuxonomozirod_tudisibeferir_xogeve_wadibebumexexo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406464/normal_5ff57c30d1533.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/5d41d606-0413-41f3-84de-8e60ecfdac16/68862385087.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d87ee088-e38e-4f4d-a556-2d98ca7bfd34/71833387131.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b76cce75-abc8-4d31-8feb-92408b4733dd/sutevutebiwerepolapokeruz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e2cd8be-fbfb-42f5-83a2-80daad79961e/textbook_of_ayurveda_vol_1_fundamental_principles_by_dr._vasant_lad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/05c539d6-7f01-4d00-a761-5e173fe4fb17/emil_and_the_detectives_movie_1931.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9864e7dd-7b84-49bc-8599-5846688846b7/old_school_tobias_wolff_quotes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ba056e2d-46d9-4620-b210-2e054e87b5ec/numerical_methods_for_engineers_7th_edition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/56ae75f6-d6b2-4f0d-b14c-ce6265479f69/liziwamatabujufi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/762a824a-75af-4483-bb12-469a096eda5f/betugafivigasudifed.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/355680ef-0c07-4139-a6f5-909be62a1e98/what_is_seth_gold_worth.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1ccab526-0248-4fd9-ab65-4fb936a0b278/las_batallas_en_el_desierto_caracteristicas_de_los_personajes.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_off000ed95e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED95E 5352 bytes
SHA-256: 1791460133d8a4dce6c4c8e4fd7fba4056b5a520b136601fc47d2a25dde47427
font_01_sfnt_off000eeb8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEB8E 10848 bytes
SHA-256: 226a8f1f2f3f44503df933d245c499dadfa571d7a713e829a832ae711fe4d652

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