Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eb0f8fb3712bd8a…

MALICIOUS

PDF

70.0 KB Created: 2021-03-03 13:20:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: ebbbd3777f8ddf83b5517a1a9698eead SHA-1: fe6337521bd4a6775f5c84544a773f5b2178c542 SHA-256: 1eb0f8fb3712bd8a304611b5c3444b54d202fdeab4e6a3fc605aa02080c3bcec
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that appears to be a search result lure, directing users to a malicious domain. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a high likelihood of phishing or malware delivery. No scripts were extracted, but the presence of multiple unknown URLs suggests a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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/wix?keyword=goblin+cleric+miniature PDF link annotation
    • http://sizuxofutitarax.mypressonline.com/mugiwotigepizojomadojarep.pdfIn PDF document text
    • https://cdn.sqhk.co/xexisini/BF7qji7/40142416775.pdfIn PDF document text
    • http://vijexibat.mywebcommunity.org/baldurs_gate_dark_alliance_ii_ps4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471512/normal_603372a434c35.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413119/normal_5fc883e296e63.pdfIn PDF document text
    • https://cdn.sqhk.co/xaselavub/gjDP0rV/kagepazetatositomika.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495696/normal_603230e25afd9.pdfIn PDF document text
    • https://cdn.sqhk.co/limiwebu/g8qHs18/world_war_2_documentary_history_channel.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pomaxa/bomb_it_up.pdfIn PDF document text
    • https://s3.amazonaws.com/vosimalume/zupexifeberujowumupo.pdfIn PDF document text
    • https://s3.amazonaws.com/viboxikuz/sheet_music_template_piano.pdfIn PDF document text
    • http://nukivamo.myartsonline.com/how_to_troubleshoot_mini_split_ac.pdfIn PDF document text
    • https://s3.amazonaws.com/palikuvexake/jukeli.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/siwobabogajugebulezowawup.pdfIn PDF document text
    • https://s3.amazonaws.com/kitakilesa/albert_einstein_short_biography.pdfIn PDF document text
    • https://s3.amazonaws.com/juvetaso/cengage_chemistry_class_9.pdfIn PDF document text
    • https://s3.amazonaws.com/xovajukoxin/boogeyman_3_full_movie.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_off0000d6e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6E2 4940 bytes
SHA-256: 8b671b99c9f8ceef73f5f503a25c83abbb4394a258af9671c8eac3ba73bd5ead
font_01_sfnt_off0000e798.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE798 10356 bytes
SHA-256: 9145e249af4a294a1f04cba9599d3d97c82becb595ab3f0dc6b1dba44544bb62

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