Malicious PDF — malware analysis report

Static analysis result for SHA-256 06917d5c97656684…

MALICIOUS

PDF

89.3 KB Created: 2021-02-20 05:52:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 9f555e63c540bba474e5e6d1eee67101 SHA-1: 4b3bd5ad31c43aeb09da4808b22b9d1db48593c8 SHA-256: 06917d5c976566849380fb00af5b49e86f9807594c2e2dfd26074604b0d1f47e
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that, when accessed, likely leads to the download of a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, and the presence of external URIs suggests a phishing or social engineering attempt to trick the user into downloading further malware. No scripts were extracted, but the overall structure and external links point to a downloader or phishing lure.

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/wix?keyword=honda+hrx217+repair+manual+pdf PDF link annotation
    • http://tublitalia.space/bimotizupepunevijulewi1yjsy.pdfIn PDF document text
    • http://daliadiago.com/82795123468fumvb.pdfIn PDF document text
    • http://wersita.space/chrome_store_video_er_professionalzjmkk.pdfIn PDF document text
    • https://cdn.sqhk.co/jemowevu/YgBPhhk/fireworks_sound_effect_freesound.pdfIn PDF document text
    • https://cdn.sqhk.co/zixifazod/l1IXzid/red_rose_wallpaper_hd_photo.pdfIn PDF document text
    • http://fbcopyright-center.com/iceland_guided_tours_from_london7e6og.pdfIn PDF document text
    • https://cdn.sqhk.co/rorajakura/jbhjhwd/15464172828.pdfIn PDF document text
    • https://cdn.sqhk.co/fukonovum/iek5ic1/98941738907.pdfIn PDF document text
    • http://potolkilife.ru/intermediate_accounting_15th_edition_chapter_15_solutions1k83v.pdfIn PDF document text
    • http://gooddevice-online.com/17248212204er461.pdfIn PDF document text
    • https://cdn.sqhk.co/jabakujivim/vgQgilN/62232066936.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://weverikovufom.rf.gd/violin_quartet_sheet_music_pop.pdfIn PDF document text
    • http://ruxuvejefo.epizy.com/free_template_joomla_quickstart.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/broken_arrow_public_schools_enrollment_forms.pdfIn PDF document text
    • https://s3.amazonaws.com/nimuwet/juwekebikalorig.pdfIn PDF document text
    • https://s3.amazonaws.com/gotijejaj/83120071115.pdfIn PDF document text
    • https://s3.amazonaws.com/naxizugenabi/samsung_allshare_app_for_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/jepavilutabilel/zewune.pdfIn PDF document text
    • https://s3.amazonaws.com/donukadizolin/brooklyn_tech_majors.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/ntando_duma_abangani_bami_song.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_off000121fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121FB 5396 bytes
SHA-256: f8c2d3a32627da09780fc5537df6ff0a1d6dd947c5a56faa727f9ada075bc8b4
font_01_sfnt_off0001343e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1343E 10428 bytes
SHA-256: 3aa888078ecec9f5203b256bad862a9e9836b41ee942e747c3412a8b9f139d5a

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