Malicious PDF — malware analysis report

Static analysis result for SHA-256 adabd82b6c80ac5c…

MALICIOUS

PDF

77.7 KB Created: 2021-05-10 06:41:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 8e9db921fb01e13d588d2d90ef30ccd0 SHA-1: eb6fb6b91a8dadc9dae7412907c545efaa4b50fc SHA-256: adabd82b6c80ac5c9719c9a4d28ccd2764c6b2d9ad5cd66543d4f0d1aa9ad12b
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 0.9991

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+print+on+vinyl+heat+transfer PDF link annotation
    • http://mukedasimewiri.22web.org/que_hace_un_lider_tecnico.pdfIn PDF document text
    • http://muwiduvepobuz.mygamesonline.org/38022714691.pdfIn PDF document text
    • http://fovijivil.iblogger.org/48618530080.pdfIn PDF document text
    • http://zevewidojodot.mywebcommunity.org/think_and_grow_rich_ebook_kindle.pdfIn PDF document text
    • http://electrumwallet.buzz/pugejafanizabadaruptojh.pdfIn PDF document text
    • http://jedomagisuw.getenjoyment.net/gilolenudusetenitu.pdfIn PDF document text
    • http://sollabs.xyz/s10_ls_engine_swap_kitu3o34.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://zulesubepire.rf.gd/23561153500.pdfIn PDF document text
    • https://s3.amazonaws.com/feseni/craftsman_garage_door_hardware.pdfIn PDF document text
    • https://s3.amazonaws.com/nojemi/90319578559.pdfIn PDF document text
    • https://s3.amazonaws.com/bejenosugede/97819358536.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/xepovarinawa.pdfIn PDF document text
    • http://befatig.epizy.com/razones_trigonometricas_de_un_angulo_agudo_ejercicios_resueltos.pdfIn PDF document text
    • http://rixigor.onlinewebshop.net/bumupiziketov.pdfIn PDF document text
    • https://s3.amazonaws.com/nefomojuwet/printable_black_friday_ad_for_walmart_2019.pdfIn PDF document text
    • http://nofefebevuxojaf.epizy.com/tirozinuxotageveguvimo.pdfIn PDF document text
    • https://s3.amazonaws.com/zodererezuzuxi/fiberglass_paper_insulation_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/rubidokezive/joxumup.pdfIn PDF document text
    • http://kimitumepogamom.epizy.com/solvents_used_in_non_aqueous_titration.pdfIn PDF document text
    • https://s3.amazonaws.com/damerirazib/85786880122.pdfIn PDF document text
    • https://s3.amazonaws.com/zozuxukoxo/ags_beers_criteria.pdfIn PDF document text
    • http://jabepujun.epizy.com/ielts_advanced_vocabulary_and_idiom.pdfIn PDF document text
    • http://jejesufunaderuv.rf.gd/71122364058.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e5ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5EA 4992 bytes
SHA-256: d933143f4a83cf48197d481ec76d100d73f9e10b9cad0d8307b32b1f01148f34
font_01_sfnt_off0000f6e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6E4 10764 bytes
SHA-256: 5dfdf4fb9214c0364cd88effc4256303b25162fc58d269aa337e2b42bdefea5a
font_02_sfnt_off00011b72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11B72 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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