Malicious PDF — malware analysis report

Static analysis result for SHA-256 d199f1d811131ee1…

MALICIOUS

PDF

98.7 KB Created: 2021-03-04 19:09:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: c7beaed1d5eb1b287d4c0b2406840da4 SHA-1: e04dfa6b66feb697e0bffcfb299a99f1d76236e9 SHA-256: d199f1d811131ee1a7f51242cfdf58cf352b8115f7e3bb1f003ac4a4d625b135
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, with a high risk score. An external URI pointing to 'xezojetit.ru' was extracted, suggesting a phishing or malware distribution attempt. While no scripts were directly extracted, the PDF structure and embedded URI indicate a likely attempt to redirect the user to a malicious site, potentially for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://xezojetit.ru/wix?keyword=one+ok+rock+answer+is+near+lyrics+translation+indonesian PDF link annotation
    • https://cdn.sqhk.co/nezusoxe/5ibhixN/platformer_games_pc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406516/normal_60368c7965b1c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450516/normal_6023fe32b88dc.pdfIn PDF document text
    • http://rivozuzeno.mywebcommunity.org/hayward_power_flo_lx_1_hp_pool_pump_w3sp1580.pdfIn PDF document text
    • https://cdn.sqhk.co/fifapupifig/RJijgcT/fabfitfun_fall_box_choices.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413111/normal_5ffb28726877b.pdfIn PDF document text
    • https://cdn.sqhk.co/tosobulig/Oijagdl/afc_space_shooter_apk_mod.pdfIn PDF document text
    • https://cdn.sqhk.co/fitamorigob/ghVqhfu/16620462279.pdfIn PDF document text
    • http://rowaxamapitowej.getenjoyment.net/35304317445.pdfIn PDF document text
    • https://cdn.sqhk.co/lobaluxomo/iiajieP/love_island_usa_season_1_episodes.pdfIn PDF document text
    • http://vubitim.sportsontheweb.net/the_night_manager_streaming_eng.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416935/normal_5fc5c7b7e1425.pdfIn PDF document text
    • http://lojapidabud.mypressonline.com/ahlan_wa_sahlan_textbook_audio.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/divelikubapiwaj/23665211487.pdfIn PDF document text
    • http://vidugozu.atwebpages.com/kuvedorepesopiwujirom.pdfIn PDF document text
    • https://s3.amazonaws.com/tezude/how_to_use_philips_norelco_nose_trimmer_1000.pdfIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/wufolaburodegalidub.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/libifefu.pdfIn PDF document text
    • http://titugol.atwebpages.com/87587608745.pdfIn PDF document text
    • https://s3.amazonaws.com/geraromu/3179425005.pdfIn PDF document text
    • https://s3.amazonaws.com/gisujubolidine/ganafeli.pdfIn PDF document text
    • https://s3.amazonaws.com/xasovewipeje/what_are_good_personal_objectives_for_work.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e086.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE086 23248 bytes
SHA-256: c9761519ce399a7a2d45d0632ea77be939be6a9b20665891cbf2b8b9adb85e56
font_01_sfnt_off00012948.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12948 5216 bytes
SHA-256: 1f7df1b546ae459633c30ea6ec692e6640c8fade3a74e7769cde421cd9d5cda3
font_02_sfnt_off00013b2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B2C 13444 bytes
SHA-256: 162c1dbf48c103524580d68c94a9b93158131683bf6dc8b94fa7a463ce8b3ccd
font_03_sfnt_off000165de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x165DE 16660 bytes
SHA-256: 20f912b6932addfa27ab6a24080b7b74380abf367cf774223465ee8118a36e48

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