Malicious PDF — malware analysis report

Static analysis result for SHA-256 edf0a5a1ae1af37f…

MALICIOUS

PDF

86.0 KB Created: 2021-04-28 22:15:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 937a0fbbffa12831500831aff10a07c7 SHA-1: d2f199595ccc14cc6819485b2e35816ec63b5dfc SHA-256: edf0a5a1ae1af37f37cf5d8fd409735b40971b512b746d6b7848ecd8c103ad18
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that redirects to a phishing site disguised as a search result. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or credential harvesting. No scripts were extracted, but the presence of external URIs and the document's nature suggest it's designed to trick users into visiting a malicious site.

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://botokaw.ru/strik?utm_term=can+the+police+arrest+you+without+evidence+uk
    • https://cdn.sqhk.co/jusitufugaf/b7ujjZM/58447889808.pdf
    • http://reduslimer.website/frozen_potstickers_in_air_fryer83jwg.pdf
    • https://wanesutilujat.weebly.com/uploads/1/3/4/8/134868149/nizimekatawagapet.pdf
    • https://tavefagizukog.weebly.com/uploads/1/3/0/7/130775361/womuxoliwoz_wurajolub_wimixewe_pagibomejimipu.pdf
    • http://help-feedback-amzn6.xyz/15797633293jspcs.pdf
    • https://cdn-cms.f-static.net/uploads/4490272/normal_5fd60e8273b17.pdf
    • https://gapudozesaneg.weebly.com/uploads/1/3/4/5/134525911/sonowim.pdf
    • https://cdn.sqhk.co/toxotunem/gtihjDM/kepagadip.pdf
    • https://cdn.sqhk.co/papovezegep/hQKsoja/free_bible_verse_wallpaper_android.pdf
    • https://cdn.sqhk.co/daxegajok/iDieR1R/the_check_cashing_store_boynton_beach_fl.pdf
    • http://servisvds.ru/alfred_piano_technique_booksduo9n.pdf
    • https://cdn-cms.f-static.net/uploads/4450354/normal_6040d86d0f2b6.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://durunorutap.epizy.com/online_voot_video_er_for_pc.pdf
    • https://s3.amazonaws.com/xidulumexi/shimla_mirchi_full_hd_movie.pdf
    • http://wobemiko.epizy.com/black_mirror_arkangel_parents_guide.pdf
    • https://s3.amazonaws.com/jotizifime/98556528925.pdf
    • https://s3.amazonaws.com/jajoxulabojaso/82618078616.pdf
    • https://s3.amazonaws.com/vukusa/senegal_bichir_care_sheet.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000115c7.bin
06a6dcba2736cae339b0823e75463afec1e589bca9908583afb3b766f0dcd995
pdf-font-stream PDF embedded font (sfnt) at offset 0x115C7 5384 bytes
font_01_sfnt_off00012824.bin
11dc6df582b53b0bb98f029ba80a49c7489bf30a02a213f6893c10ed46a559e4
pdf-font-stream PDF embedded font (sfnt) at offset 0x12824 9960 bytes