Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bf108ef8ddc4694…

MALICIOUS

PDF

73.2 KB Created: 2021-02-23 06:02:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: c60094f85b88107aebc741f6a509191d SHA-1: 5f76be07e985e0bb03ccb723d4b438dc062f7869 SHA-256: 9bf108ef8ddc46948d279419d605ac7c8c9ba614e364b2ac58a46bd97a3d0483
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a malicious site or download further payloads. The document body, though heavily obfuscated, contains text related to prayer, which is likely a lure to disguise the malicious nature of the PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://maypoin.ru/strik?utm_term=how+to+pray+istikhara+namaz+step+by+step PDF link annotation
    • https://namebobave.weebly.com/uploads/1/3/0/7/130739452/bb5546963cda33.pdfIn PDF document text
    • https://cdn.sqhk.co/rogekanus/xgjjad0/gidovipowun.pdfIn PDF document text
    • http://chatik85939775.fun/62932767896rh5jy.pdfIn PDF document text
    • https://zemapefim.weebly.com/uploads/1/3/4/4/134485651/21f32e3.pdfIn PDF document text
    • http://rusherx.studio/roller_splat_highest_levelrvlix.pdfIn PDF document text
    • http://brandframeb.com/foxosudegifituretomertp4r.pdfIn PDF document text
    • https://cdn.sqhk.co/fawabanof/yhaJgio/study_skills_exercises_college_students.pdfIn PDF document text
    • http://all-system7.xyz/spongebob_squarepants_movie_scriptj66eb.pdfIn PDF document text
    • http://copyrightprivacy.site/wheels_on_meals_fight_scenemwom7.pdfIn PDF document text
    • http://efarbok.xyz/hanuman_bhajan_mp3_free_download_gulyqjft.pdfIn PDF document text
    • http://bonusiotsbera.online/what_do_sexually_frustrated_meanx3nl7.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/lorifumofelu/darar_bhojpuri_movie_video_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/towutoginadivu/miserable_at_best_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/pisik/33765734133.pdfIn PDF document text
    • http://fumojaw.epizy.com/natifulano.pdfIn PDF document text
    • https://s3.amazonaws.com/sesijesule/babiwisodo.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_off0000e0cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0CD 5436 bytes
SHA-256: 00b59d862308b649c717092484e01b6d801f2560248b6f87b7b11244193d0d83
font_01_sfnt_off0000f338.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF338 10760 bytes
SHA-256: 2a858d8d7ae5dee55865a78d6579957e52f275a12ba78d2459e0c403bad798c9

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