Malicious PDF — malware analysis report

Static analysis result for SHA-256 f71a65e0910a7f8a…

MALICIOUS

PDF

70.9 KB Created: 2021-02-24 11:43:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: f9d4b89f46bb876410fa996245d384ff SHA-1: 5ef2d81f8b68ccb136e1adabf05a9c6a593569f8 SHA-256: f71a65e0910a7f8a27170166dcadb0f9f5bf97415bfca495369ca7ce0c0a98b4
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://seumenha.ru/123?utm_term=2002+kx+125+price PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4415309/normal_602b2ab28d4bd.pdfIn PDF document text
    • http://ropufogesuzazeg.iblogger.org/bum_chiki_bum_bum_english_song.pdfIn PDF document text
    • http://fevalugumaj.22web.org/bodas_de_sangre_personajes_principales_y_caracteristicas.pdfIn PDF document text
    • https://cdn.sqhk.co/vasibejovej/IhbijOP/ragozoxifotagujoduva.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485166/normal_5febb633da320.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4504922/normal_5fc8159828cdf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502870/normal_5fea39d069177.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489980/normal_60054428c311e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365636/normal_5ffcab12643d7.pdfIn PDF document text
    • http://kekebum.22web.org/theological_dictionary_of_the_new_testament_volume_2.pdfIn PDF document text
    • http://wilitubejibo.iblogger.org/maps_for_minecraft_pe_remoro_studios.pdfIn PDF document text
    • https://cdn.sqhk.co/vojazodelud/cPlUG4E/91224233895.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416918/normal_60136d928bd3a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489846/normal_602872141915c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vakutasuv.epizy.com/16746412587.pdfIn PDF document text
    • http://xusoromi.epizy.com/33605734055.pdfIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/bazigar_bhojpuri_movie_full_hd.pdfIn PDF document text
    • http://ruzojonawa.epizy.com/figurative_language_test_2_answer_key.pdfIn PDF document text
    • http://gugawojakopa.rf.gd/fakapapufolepudopiza.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_off0000d71e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD71E 4996 bytes
SHA-256: 68266badf190abf64cbdfca34fa46cdef62553e5e5163707522ed4f788cf5ee6
font_01_sfnt_off0000e843.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE843 11208 bytes
SHA-256: 31ec6a642aaa188f0f74df16fcb24e90d86371f7c6be83764997e3e34d57936a

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