Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f10b8fd5d3ebe39…

MALICIOUS

PDF

83.8 KB Created: 2021-05-01 07:12:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 2be751ec2464e2e8b0fd9109ac4b3ce1 SHA-1: 58071df540c2ef853b4a4f043f005b53036cfb45 SHA-256: 7f10b8fd5d3ebe396dd073c4e03dc2dfee3baa7af0cc386a32533258c6654373
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 0.9990

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://mezovuduw.ru/strik?utm_term=how+to+connect+jabra+evolve+65t PDF link annotation
    • http://sabumow.mygamesonline.org/public_relations_campaign_examples.pdfIn PDF document text
    • http://xuzejomuxide.22web.org/vovopelabojupi.pdfIn PDF document text
    • https://cdn.sqhk.co/torujazelome/hb94hbn/vafedotikapipag.pdfIn PDF document text
    • https://cdn.sqhk.co/gozolijitow/ijcqnji/atarax_side_effects_weight_loss.pdfIn PDF document text
    • http://tapidiv.medianewsonline.com/alan_moore_biografia.pdfIn PDF document text
    • http://zizivumagove.iblogger.org/buku_mikhail_bakunin.pdfIn PDF document text
    • https://cdn.sqhk.co/janurisu/acAMG2c/my_btc_account.pdfIn PDF document text
    • https://cdn.sqhk.co/fuvopone/yhhmji6/91486822554.pdfIn PDF document text
    • https://cdn.sqhk.co/niserutom/DzhgGhh/vetotepejef.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sazororazinub.epizy.com/wuvuwajogixuziwubudure.pdfIn PDF document text
    • https://s3.amazonaws.com/sukobogixe/3209837806.pdfIn PDF document text
    • https://s3.amazonaws.com/vososasoxumete/44237474222.pdfIn PDF document text
    • http://zigatikix.rf.gd/kisalexeripafaxogubalum.pdfIn PDF document text
    • https://s3.amazonaws.com/ninazarila/bonfire_cursed_images_meme_full_song.pdfIn PDF document text
    • http://linakagiwabofa.epizy.com/ionic_pro_platinum_air_purifier_ozone.pdfIn PDF document text
    • http://kojodidekojamu.rf.gd/56622652360.pdfIn PDF document text
    • http://lebasasasob.epizy.com/determine_the_density_of_an_unknown_liquid_graphically.pdfIn PDF document text
    • http://velozuko.rf.gd/78983436640.pdfIn PDF document text
    • https://s3.amazonaws.com/begijufadi/94346576224.pdfIn PDF document text
    • http://safadixuzet.rf.gd/juriborux.pdfIn PDF document text
    • http://vekejuf.atwebpages.com/ruporolurubuvepibukexi.pdfIn PDF document text
    • http://pogapebod.rf.gd/78332107764.pdfIn PDF document text
    • https://s3.amazonaws.com/rovikibixu/encuentros_maravillosos_answers.pdfIn PDF document text
    • http://zapofekeba.rf.gd/works_cited_page_mla_example.pdfIn PDF document text
    • http://welidigukiru.epizy.com/vapadamanisi.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f3a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3A8 5224 bytes
SHA-256: 1521fb7c8dc5f6d47f87be90f064a02ee8c9d934960d90d9481aa5f8c4894a54
font_01_sfnt_off0001059b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1059B 10864 bytes
SHA-256: e8a3a915cc4dd8a282963f8e7f1da22c30692666afd327e43fe43dad62bedc60
font_02_sfnt_off00012af7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12AF7 16676 bytes
SHA-256: 71f9972fe90e0587765daa040e12fdaa97a6958fdba591bb532b8db5ccd56ac7

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