Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e9f33619f2d4194…

MALICIOUS

PDF

87.0 KB Created: 2021-03-22 23:02:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 1f2787eff07b7efbfb02920564e9797c SHA-1: 17963fb16332e3cd18732d9406830b3c827bdca1 SHA-256: 5e9f33619f2d4194f61c5ac445b2522f87b34f9d55b6ae7e0a7e5c12a3890909
96 Risk Score

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 0.9994

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://dafemum.ru/award?keyword=benoite+groult+ainsi+soit+elle+pdf PDF link annotation
    • http://sopesukenapad.scienceontheweb.net/organismos_geneticamente_modificados.pdfIn PDF document text
    • https://cdn.sqhk.co/zejejofe/u9Fshgp/68525126101.pdfIn PDF document text
    • https://cdn.sqhk.co/sileluzorupo/dhbhdic/36007333400.pdfIn PDF document text
    • http://fofolep.mywebcommunity.org/blockchain_ebook.pdfIn PDF document text
    • https://cdn.sqhk.co/tinukomafiro/hgehgID/lekoxulufulaximevap.pdfIn PDF document text
    • https://cdn.sqhk.co/jumibizede/e1jfQif/senezuxemolupepafiti.pdfIn PDF document text
    • https://cdn.sqhk.co/sabumijobude/ppgjyhi/tanaji_movie_theme_ringtone_download_pagalworld.pdfIn PDF document text
    • http://zodimasar.mypressonline.com/titepem.pdfIn PDF document text
    • http://budokudepa.scienceontheweb.net/buticchi_libri.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/bokofapig/tijologonuzol.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxulikiwab/43906783628.pdfIn PDF document text
    • https://s3.amazonaws.com/tojazudibumogab/remington_14_inch_electric_chainsaw_chain_replacement.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/64018750075.pdfIn PDF document text
    • https://s3.amazonaws.com/xulepiwa/patinoxovimabeko.pdfIn PDF document text
    • https://s3.amazonaws.com/zerejibixupav/39474828612.pdfIn PDF document text
    • https://s3.amazonaws.com/zufaxepixiguxax/klh_subwoofer_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/budapest_underground_map.pdfIn PDF document text
    • https://s3.amazonaws.com/pidufozu/geduk.pdfIn PDF document text
    • https://s3.amazonaws.com/ligole/negumorepukinuxelarubuv.pdfIn PDF document text
    • https://s3.amazonaws.com/pazatuv/orbit_sprinkler_timer_not_starting.pdfIn PDF document text
    • https://s3.amazonaws.com/xonobijikivo/85456838206.pdfIn PDF document text
    • https://s3.amazonaws.com/dozuga/aadhar_without_otp_and_totp.pdfIn PDF document text
    • https://s3.amazonaws.com/xeponodij/52871267239.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

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011149.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11149 5260 bytes
SHA-256: d15ee5c14b204b1b3f9dc6987f393d5b3bcb62c5352b41b27033113c7d3ba4d8
font_01_sfnt_off0001233c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1233C 13532 bytes
SHA-256: 63b12e16c52a001b3d862a2c9974412f90cdf6e286e44080a87219058c936f77

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