Malicious PDF — malware analysis report

Static analysis result for SHA-256 b62e555b1ddd7274…

MALICIOUS

PDF

81.8 KB Created: 2021-04-08 05:34:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dff9d9aa1417070bcc44831b7ccee24b SHA-1: ac6457267e203e4131a3f429f93c4c624e8b98cc SHA-256: b62e555b1ddd72745c91f83b7783cbcb956b9cd32f6372d2dfcf31b7199bba28
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that redirects to a URL disguised as a movie link, likely to trick users into downloading malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of multiple unknown URLs suggests a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://xajibur.ru/123?utm_term=badshah+the+don+bengali+full+movie
    • https://cdn.sqhk.co/tibapopedeka/hegeHjd/27740307629.pdf
    • http://miiliioner.xyz/kavubutemedirofisewazvp73.pdf
    • http://naturfresh.space/piwafobojoqed18.pdf
    • http://findattime.com/creative_visualization_examples0i3g6.pdf
    • http://cashtanks.fun/nejonukegodesugasewixedaxyu7wp.pdf
    • http://mkuu.club/vipeziderojitn0sw.pdf
    • https://cdn.sqhk.co/mubafazus/gjhhbic/71660986469.pdf
    • http://lumacy.site/zinomajufekopowuzalubxvmrs.pdf
    • http://remont-kholodilnikov.website/the_easy_way_to_stop_smoking5jniq.pdf
    • https://cdn.sqhk.co/nanagajog/Ggchjjh/at_t_prepaid_refill_card_near_me.pdf
    • http://cleaner360.shop/good_thinking_meaning_in_urdubxpjh.pdf
    • http://tk-time.site/football_strike_multiplayer_soccer_hack_apk6xzwm.pdf
    • http://dietnatur.fun/w3schools_python_if_loopwqvks.pdf
    • http://sweetygirl.club/36375625529v8dmu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/kasuwevovog/55624262091.pdf
    • https://uploads.strikinglycdn.com/files/769e951e-5758-46c9-9f9c-f2355a9d3989/how_to_reset_samsung_soundbar_hw-h450.pdf
    • https://uploads.strikinglycdn.com/files/67fde044-61b7-4cee-9493-d4013e5e6614/58551726710.pdf
    • https://uploads.strikinglycdn.com/files/005ef4fe-db68-4f77-92d6-7a358024731f/zejikaverekikusigojasina.pdf
    • https://s3.amazonaws.com/lodazojamuva/laluwufareloxenezuj.pdf
    • https://uploads.strikinglycdn.com/files/73d87e86-0075-491e-a1f7-515bf66fcad2/libro_el_inversor_inteligente_resumen.pdf
    • https://s3.amazonaws.com/sajezife/48471196440.pdf
    • https://uploads.strikinglycdn.com/files/7d3b03e8-0435-4b66-b1be-856b885cacdc/13873746476.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNU
    • http://www.gnu.org/copyleft/gpl.htmRegular

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d7a0.bin
b27dce2bead0b40fbd6eeca0d1599685f62fbc4aabe5fe9658b979f9c8c082fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD7A0 5476 bytes
font_01_sfnt_off0000ea26.bin
e2464296765d178014c8282a57fdb1d7123a87503a36c9ff481efc317c985334		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEA26 14152 bytes
font_02_sfnt_off000114f2.bin
c0329fbbe213e999049f8edfaf437a39cd7270b24afc6656ec8811b3de3838ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x114F2 10652 bytes

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