Malicious PDF — malware analysis report

Static analysis result for SHA-256 3eedb994b66ceaf7…

MALICIOUS

PDF

165.3 KB Created: 2021-03-11 12:00:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d56b19cee0eaf511516424c562acd13e SHA-1: ed940b9273394a8c0d2537745e8f8a41dfd45469 SHA-256: 3eedb994b66ceaf74a03cf71cd3e9dad3fa614c1782635907a44da4c62d7cd1b
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that masquerades as a document about adjectives, likely to trick the user into clicking it. The ML classifier and ClamAV detection strongly indicate malicious intent, with the PDF_URI heuristic pointing to a suspicious domain. While no scripts were explicitly extracted, the nature of the PDF and the embedded URL suggest it's designed to lead the user to a malicious site, potentially for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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://lozipotod.ru/award?keyword=comprehensive+list+of+adjectives+pdf
    • https://kimakinogi.weebly.com/uploads/1/3/0/7/130775446/kakenopajuzezuvigub.pdf
    • https://gifenatewa.weebly.com/uploads/1/3/4/4/134480542/c884b2.pdf
    • https://jimivoxoresovi.weebly.com/uploads/1/3/4/3/134311124/xixojiregesarix.pdf
    • http://afracheat2.xyz/hernia_discal_tratamientolc8qn.pdf
    • https://gujejedadun.weebly.com/uploads/1/3/1/3/131398181/zifuzebusilibumo.pdf
    • https://joponavo.weebly.com/uploads/1/3/4/2/134234964/eb9b1bb915af.pdf
    • http://prizinsta24.space/kowawudetiruleroroiih7b.pdf
    • https://fuxexitir.weebly.com/uploads/1/3/4/0/134098624/6347469.pdf
    • http://siteznakomstv69.space/highway_bike_simulator_unblocked2i3ob.pdf
    • http://noriwisisun.iblogger.org/adventure_escape_allied_spies_mod_apk.pdf
    • https://wulukapuw.weebly.com/uploads/1/3/0/7/130740123/mudowe.pdf
    • https://jimedugevebuz.weebly.com/uploads/1/3/4/4/134437071/5a320b500.pdf
    • http://giftcard-sale.store/410458867226b0r4.pdf
    • http://4escam-bot.online/71983311494r98pn.pdf
    • http://weinmvc.net/libros_de_leopoldo_zea0l0ss.pdf
    • http://zedelonamigese.22web.org/what_does_the_eye_of_horus_symbolize.pdf
    • http://bestunew.xyz/xiriluwoxatuwuvomubowuturff2ho.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://63d876aa-455f-4c41-9c38-50747f3e0b95.filesusr.com/ugd/a220d5_02bdf844a14246cdbb1896f618539b7c.pdf?index=true
    • https://e064a861-6c7b-46af-b67a-66be1f32d776.filesusr.com/ugd/ec3e4b_f48be0e03483436c9aed14fd02241bbd.pdf?index=true
    • https://4adff18d-dc39-4349-be2c-eeb12737f1cb.filesusr.com/ugd/9117e0_c05588eb7601426cbcac63e55367fc50.pdf?index=true
    • https://2a4065d7-883d-43e8-a524-7ce9aa4b4e88.filesusr.com/ugd/ccb1c6_71afd1a8285845b1b35da7304513a799.pdf?index=true
    • http://temekem.epizy.com/amplify_aws_android.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

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00021a15.bin
f34d4dbcc24da9e81272625b18241caa64bb73d6405d5b4474970241ee04f8c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x21A15 10184 bytes
font_01_sfnt_off00023c01.bin
d661afdec015649408b9811fa4632e130a7d99d044c2992af8eadeb2a95e93dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23C01 5344 bytes
font_02_sfnt_off00024e0a.bin
104974567081ec67b0b8c6a87899052374d63bf74a1dd6128f4227c01ccd3e4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E0A 12260 bytes
font_03_sfnt_off000277c5.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x277C5 4324 bytes

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