Malicious PDF — malware analysis report

Static analysis result for SHA-256 072a8c0890cd02d4…

MALICIOUS

PDF

99.7 KB Created: 2021-03-20 07:15:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: eb3f65a7fc16b103f34e52e775dddbbf SHA-1: 97f4af6fa192d8ef5518c89cf92358fe8bc58ed9 SHA-256: 072a8c0890cd02d4abfce96db8e2f8c5641109de5b3eee4a8b88c3431a3a9938
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 0.9992

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://resalured.ru/strik?utm_term=spinoza%2527s+ethics+develops+its+argument PDF link annotation
    • http://govnosiakxws.online/black_and_decker_edger_blade_home_depotux37m.pdfIn PDF document text
    • http://iglivesupportteam.com/oxford_english_dictionary_archive.org2oq2n.pdfIn PDF document text
    • http://reduslim-eu.site/sowugezibh6gbg.pdfIn PDF document text
    • https://cdn.sqhk.co/vadetegubufo/bjcggls/gevovaxizuropugukof.pdfIn PDF document text
    • https://cdn.sqhk.co/xalesikozip/j40xLuf/88100435736.pdfIn PDF document text
    • https://cdn.sqhk.co/jolodovi/gd3hdjf/freezero_apk_mod.pdfIn PDF document text
    • https://cdn.sqhk.co/gixedomawa/a6E40nj/kexaxewosiputimaxu.pdfIn PDF document text
    • https://cdn.sqhk.co/xawodoze/dtijekU/55243994188.pdfIn PDF document text
    • https://cdn.sqhk.co/wubofuse/KgghjpM/optical_illusion_carpet_for_sale.pdfIn PDF document text
    • http://reactivascotia2020.com/42184190957ijrr2.pdfIn PDF document text
    • https://cdn.sqhk.co/gelowidabik/higja8z/67917490341.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://60659a61-a27b-47ea-8eac-a81775c62269.filesusr.com/ugd/7a7fb1_592c321dcec048c09ee8f0d16b270559.pdf?index=trueIn PDF document text
    • https://2cfcb734-ec62-4cd9-b61c-03d4762ad765.filesusr.com/ugd/a891c0_b73a020271294497b097c00878e03d69.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jivala/muderamugenetugumelose.pdfIn PDF document text
    • https://s3.amazonaws.com/fevobelijogal/wabadevivotawak.pdfIn PDF document text
    • https://944bcc21-9f45-42c2-9889-8cf837fa5d1c.filesusr.com/ugd/50f869_f97d477cc3ef4ab08a68837ee7951ec6.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/nuxulikiwab/83931611392.pdfIn PDF document text
    • https://b564fea6-732e-489f-a029-a72dc6590de2.filesusr.com/ugd/6a4619_c41f8819d11e4486b3469f7c2fe7f916.pdf?index=trueIn PDF document text
    • https://e05bdd54-7536-4db1-b7ed-110d7b12163e.filesusr.com/ugd/dd5a80_b836a75df0fe4a3fa13602cb1d2f03af.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/gelawiweza/konasowotepen.pdfIn PDF document text
    • https://63c5840e-267c-49ed-94d3-fc9f9d8b9c0b.filesusr.com/ugd/8c5bc8_32f53c5f86f1419d95579dc0733dc8d8.pdf?index=trueIn PDF document text
    • https://9cf93ecd-64ee-4ad6-afcc-f350577a7522.filesusr.com/ugd/c4dbd3_d98360f183ac466880c7554fab333fca.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zupenafud/unsuccessful_after_interview_template.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000148e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x148E2 5732 bytes
SHA-256: 2968fb3a457aeb12b5f304a4a54089a9b17737b6a9606a21e210a30db5d3595c
font_01_sfnt_off00015c57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15C57 10720 bytes
SHA-256: 7d4ff8cb8274a3c0ef6579bc5d5d73f04cdcdec7c959c6a967f008133bd25b03

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