Malicious PDF — malware analysis report

Static analysis result for SHA-256 af126716b7779907…

MALICIOUS

PDF

73.4 KB Created: 2021-03-14 06:44:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 70e5952c72858f32aa1b49c5581489f8 SHA-1: 999fc77463cedc90296a111f19ebcf5962d96199 SHA-256: af126716b7779907cdda356968f04d8addc0bef4e2087088a4e7762c7623ca2b
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://bologen.ru/strik?utm_term=how+to+turn+on+hp+desktop+monitor PDF link annotation
    • http://pufopiguzelefe.22web.org/el_arte_de_seducir_para_dummies_descargar_gratis.pdfIn PDF document text
    • http://dudakarebonadi.iblogger.org/z_score_table.pdfIn PDF document text
    • http://penaleduduzib.iblogger.org/98230528562.pdfIn PDF document text
    • http://geosen.net/77941359038ttk6b.pdfIn PDF document text
    • http://reduslimitalia.site/delta_shopmaster_table_saw_reviewssijqd.pdfIn PDF document text
    • http://menesoger.iblogger.org/86065227130.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/rawesaragegugar/tikubuveguw.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/aadukalam_video_songs_masstamilan.pdfIn PDF document text
    • https://s3.amazonaws.com/dotivaf/dujiwenibolixusalap.pdfIn PDF document text
    • https://s3.amazonaws.com/nabifovu/cafeform_plus_pret.pdfIn PDF document text
    • https://s3.amazonaws.com/geraromu/marvel_superheroes_rpg_character_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/rafiralexezol/xoxesawavetulojodeloxa.pdfIn PDF document text
    • http://giritinip.epizy.com/pugogadan.pdfIn PDF document text
    • http://najusibajeful.rf.gd/fannie_mae_guidelines_401k_loans.pdfIn PDF document text
    • https://s3.amazonaws.com/nokiva/hotpoint_gas_oven_not_lighting.pdfIn PDF document text
    • http://terezeso.epizy.com/spotify_premium_free_apk_apple.pdfIn PDF document text
    • https://s3.amazonaws.com/nonipesikiri/98186217935.pdfIn PDF document text
    • https://s3.amazonaws.com/gotenukevepunin/lagu_bon_jovi_always_metrolagu.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_off0000e3cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3CF 5076 bytes
SHA-256: 0041a0a5da4e87a6258178c787ecd8b16e131196cde28ac52d22db298dd42293
font_01_sfnt_off0000f4f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4F8 10264 bytes
SHA-256: 9218c73fe5a4f1a659bbcb960236c2b716da25ac076b369bcefac3f940821444

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