Malicious PDF — malware analysis report

Static analysis result for SHA-256 69abf30e21103964…

MALICIOUS

PDF

85.8 KB Created: 2021-03-22 15:06:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: dd3052a2fb121a642ecb7ea4591c17f2 SHA-1: 9d185b173905dc12637b74b8bf67a58b0fd24327 SHA-256: 69abf30e21103964b215a9ce277aeda5d42a24db02aa8ac431fb0bf12f9139da
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, appears to be a lure, directing the user to the external URL for further interaction.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/aws?utm_term=how+do+you+describe+a+dust+storm PDF link annotation
    • https://nanupubixo.weebly.com/uploads/1/3/0/9/130969545/1016807.pdfIn PDF document text
    • http://zujoxuxosaja.getenjoyment.net/xapajovije.pdfIn PDF document text
    • https://nunezujotegu.weebly.com/uploads/1/3/4/3/134312528/fedolonexi.pdfIn PDF document text
    • http://vkysnaya-eda.site/how_much_weight_can_you_lose_on_the_warrior_dietieduy.pdfIn PDF document text
    • http://zelopaqq.xyz/bus_app_androidzeyq5.pdfIn PDF document text
    • http://liketime.online/speak_your_mind_methodx4sz1.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
    • https://s3.amazonaws.com/gulapore/xevobatole.pdfIn PDF document text
    • https://s3.amazonaws.com/moduxanakuri/kingdom_hearts_walkthrough_after_agrabah.pdfIn PDF document text
    • http://lojubefogugiku.onlinewebshop.net/dork_diaries_book_15_free_online.pdfIn PDF document text
    • http://bagekawunarav.rf.gd/9149480057.pdfIn PDF document text
    • http://wazewatiduxuz.epizy.com/35653804034.pdfIn PDF document text
    • https://s3.amazonaws.com/jarirotexab/barbie_girl_video_mp4.pdfIn PDF document text
    • http://fobapisarut.epizy.com/1487629613.pdfIn PDF document text
    • http://badunedotefewep.rf.gd/highlights_hidden_pictures_answers_january_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/jaxesabi/fadasowita.pdfIn PDF document text
    • http://pekafujojef.onlinewebshop.net/how_to_advertise_network_marketing_business.pdfIn PDF document text
    • http://gafopoxekog.epizy.com/xafejekazavenofalomipuni.pdfIn PDF document text
    • http://feriluja.epizy.com/nintendo_ds_lite_super_mario_bros.pdfIn PDF document text
    • http://pabipinipimano.epizy.com/47510486812.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_off0000ff3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF3C 5124 bytes
SHA-256: 9d4cd2d992c9e625f61e8215fa7eb9fa010770c7d3d465ae155c142c22514099
font_01_sfnt_off000110bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110BD 12612 bytes
SHA-256: 8b72ec7b38c4f40d1dd03b805c6947a8545d7e97e8f75bda5886ea97ca075ee6
font_02_sfnt_off00013a6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13A6C 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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