Malicious PDF — malware analysis report

Static analysis result for SHA-256 624609b84b5a4534…

MALICIOUS

PDF

90.9 KB Created: 2021-03-18 03:15:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 4d196bb97339bd29ee1ae3ff0bba23a6 SHA-1: 16abcd734f571cd611463fc9e77987a8452b0df8 SHA-256: 624609b84b5a4534018e0fc97416bb7ebd0293f8ed9b9135dcbe093cecdf7562
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 0.9998

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://dugedepap.ru/123?utm_term=bard+class+guide+5e PDF link annotation
    • http://copyrightnotice-ig.com/icewind_dale_rime_of_the_frostmaiden_maps_freennsby.pdfIn PDF document text
    • http://xegazinijitup.mywebcommunity.org/96826243506.pdfIn PDF document text
    • http://otomail.business/smart_sim_card_philippines_rechargebyrx9.pdfIn PDF document text
    • http://xedeporib.medianewsonline.com/1970_ford_mustang_mach_1_428_cobra_jet_value.pdfIn PDF document text
    • http://fejukoturig.medianewsonline.com/relabumetu.pdfIn PDF document text
    • http://business-open.online/sapafarozajiwd52hg.pdfIn PDF document text
    • http://vijevejumozugim.sportsontheweb.net/bedrfnisse_liste.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/pajeriramal/zurawaxilekifurovulimor.pdfIn PDF document text
    • http://tofujuwo.onlinewebshop.net/kivipurazenu.pdfIn PDF document text
    • https://s3.amazonaws.com/vudivuzakal/christy_nockels_songs.pdfIn PDF document text
    • http://zagofij.onlinewebshop.net/94639656159.pdfIn PDF document text
    • http://zutaturusix.myartsonline.com/lakokudijalunamumawofefam.pdfIn PDF document text
    • http://risuzapusujafeg.rf.gd/levemowavedugedafutoxafej.pdfIn PDF document text
    • https://s3.amazonaws.com/wifiduxezo/autocad_mep_2019_manual.pdfIn PDF document text
    • http://wewiligeva.epizy.com/79656777558.pdfIn PDF document text
    • https://s3.amazonaws.com/fivebo/kunonovebamimomo.pdfIn PDF document text
    • http://satawakerexe.atwebpages.com/xodivaxefo.pdfIn PDF document text
    • http://womawujun.atwebpages.com/how_to_connect_apple_tv_to_vizio_sound_bar.pdfIn PDF document text
    • https://s3.amazonaws.com/fatisake/platform_bed_frame_wooden.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_off0001271b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1271B 5280 bytes
SHA-256: bf304990b6fc2f143a7a52455320bcb8c1a5191435b3d1eea88d48b792a1e344
font_01_sfnt_off0001391f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1391F 11048 bytes
SHA-256: 645f0f3158dd9b5d127ae57537848b77271c59dccb4fdae93442a8f14f34d268

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