Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9c1adfc10c6fbe2…

MALICIOUS

PDF

68.3 KB Created: 2020-12-08 05:39:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 712185cdd475731c423df473c8d8d419 SHA-1: b711547bed05f234f0f7ca733e0229a84210e028 SHA-256: e9c1adfc10c6fbe2b7736653ed84024202a640eaf3dc94cf1159047e49c4ce2c
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://trafffi.ru/123?utm_term=minecraft+mansion+download+mcworld PDF link annotation
    • https://pejopazuzaguwoz.weebly.com/uploads/1/3/2/8/132815183/1895c8d81e.pdfIn PDF document text
    • https://zepixufiguw.weebly.com/uploads/1/3/4/1/134108583/1996130.pdfIn PDF document text
    • https://vutuwoti.weebly.com/uploads/1/3/4/7/134720014/4470848.pdfIn PDF document text
    • https://bexitapanirid.weebly.com/uploads/1/3/0/9/130969950/3856400.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d744e17e-bf9b-4aba-aef3-88ad73a83a53/44880320625.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1273e403f5353fd9754a9/t/5fc568ca9b1ed03538934122/1606772939562/nih_stroke_scale_quiz_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/jevopemosod/boudreaux_and_thibodeaux_bar_baton_rouge.pdfIn PDF document text
    • https://s3.amazonaws.com/xijuxosisomuna/korofavezonasususabota.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc11b4016f6d44b07c000b4/t/5fcecd5a05f6f27807471e64/1607388507071/kawukelazavikido.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/92b766d2-ecf7-410e-a186-9cda76ab8ef3/pink_floyd_ringtones.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc50ec912facd59cec7ad64/t/5fcee1e91a78ee5f0157adff/1607393770824/merge_plants_zombie_defense.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/61132363820.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_off0000c9e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9E7 5264 bytes
SHA-256: a8f4d1579c6516b986a359789f806cddc342501573b9449f8b7057b88af11165
font_01_sfnt_off0000dbd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBD4 11540 bytes
SHA-256: bcdfe9bb6ed9031c78f5d030a99971ffa959ebfc0dddeb582a3baad6db2e567b