Malicious PDF — malware analysis report

Static analysis result for SHA-256 641d8d56a5cbaa7a…

MALICIOUS

PDF

213.4 KB Created: 2021-03-21 07:16:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 93607a14cd2001bba3d036ce39960b25 SHA-1: cd5d639d22e47411ab24a5380e120e0104214d27 SHA-256: 641d8d56a5cbaa7aaa5d188827106b94c42d36a1985c177d839770638d4f86d5
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, and contains an embedded URI pointing to a suspicious domain. The document body, though heavily obfuscated, suggests a lure related to 'Greek myths', likely intended to trick users into visiting the linked phishing site. No scripts were extracted, but the presence of external URIs and the overall detection profile strongly indicate a phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9776

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://crophysi.ru/strik?utm_term=heroes+gods+and+monsters+of+the+greek+myths+pdf+file PDF link annotation
    • http://urott-hu.com/do_you_hear_what_i_hear_sheet_musicslqmr.pdfIn PDF document text
    • https://cdn.sqhk.co/zebimapajod/3igihRm/23480193031.pdfIn PDF document text
    • https://cdn.sqhk.co/duloputemab/hbijepV/silkie_chickens_for_sale_near_me_craigslist.pdfIn PDF document text
    • http://noxezef.iblogger.org/pvc_splashback_sheets.pdfIn PDF document text
    • https://budovatepita.weebly.com/uploads/1/3/1/3/131398204/xujipuk.pdfIn PDF document text
    • http://gonzo-3d.com/king_kutter_2_tiller_for_saledlyls.pdfIn PDF document text
    • https://jalebipozufi.weebly.com/uploads/1/3/5/3/135320073/sidaxobifofumurolat.pdfIn PDF document text
    • http://avtoshtorki.shop/cyberghost_vpn_premium_mod_apkdxi3e.pdfIn PDF document text
    • https://cdn.sqhk.co/jurugaguvedu/fSjigfz/movies_to_watch_with_friends_on_disney_plus.pdfIn PDF document text
    • https://cdn.sqhk.co/guzikiku/ziePe0G/59842692106.pdfIn PDF document text
    • https://tetavezodumop.weebly.com/uploads/1/3/4/6/134645623/3266363.pdfIn PDF document text
    • https://venevivoxeda.weebly.com/uploads/1/3/1/8/131857756/balig.pdfIn PDF document text
    • https://tawojupaker.weebly.com/uploads/1/3/4/8/134885799/mizeruwuzenavaj-muwuwufogadiwi.pdfIn PDF document text
    • http://tameenegypt.com/beginning_programming_with_python_for_dummies60rtk.pdfIn PDF document text
    • https://mivujekosos.weebly.com/uploads/1/3/1/6/131637271/tasabawava.pdfIn PDF document text
    • https://bosamekuxukis.weebly.com/uploads/1/3/4/6/134672370/diwaloj.pdfIn PDF document text
    • http://fusafanomogade.iblogger.org/fexitaxevarezalesuv.pdfIn PDF document text
    • https://cdn.sqhk.co/vedanoderifu/6sIAgG1/assistive_touch_not_working_after_update.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://boxokur.epizy.com/tebeviziwaritomo.pdfIn PDF document text
    • http://muxolisakij.epizy.com/nezowemakadeb.pdfIn PDF document text
    • https://891dfe3a-8969-4df2-b253-5ccc4ebbb7a0.filesusr.com/ugd/e66789_749a0d8c17264b0b916f5a75989a7204.pdf?index=trueIn PDF document text
    • https://569961a5-e6b5-462d-8b38-7193d5e7b20b.filesusr.com/ugd/a37a2e_622965155f6d4461a397c6d79b1166e3.pdf?index=trueIn PDF document text
    • https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_8593e8fd2a7d4c45bbb2fa01e290fc70.pdf?index=trueIn PDF document text
    • https://db22a0a0-c6c8-4eb9-9878-037c50d93224.filesusr.com/ugd/e2b5b3_5630cd13b8ee4dd4be01ee199be00e8e.pdf?index=trueIn PDF document text
    • https://bdee3e82-1fe6-4084-b289-f15f5249f83e.filesusr.com/ugd/749937_89943199c3fb4937a39b9dbfa5b39cf9.pdf?index=trueIn PDF document text
    • http://vibuziw.epizy.com/kitab_hasyiyah_al_bajuri.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_off00030ac3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30AC3 5584 bytes
SHA-256: 817297d269bc4bc253aaed5418f9ab728e5a441b425078576d21d751196aff5f
font_01_sfnt_off00031da2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31DA2 12216 bytes
SHA-256: 6052faf4286f7c274adf1a57570557d0dd3b5195f00e8191d88376f239fcee00

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