Malicious PDF — malware analysis report

Static analysis result for SHA-256 f926887035534211…

MALICIOUS

PDF

78.7 KB Created: 2021-04-29 15:16:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 6fe1dc8b08b184a59d56b0be38add0db SHA-1: 9d624dcea331d4ac8dbd5b25a7938f64032d29a3 SHA-256: f9268870355342114dc6292fac4cb69be77590fe7e62a7a9285d51ddb5ca8b78
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9997

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/strik?utm_term=samsung+smart+tv+remote+settings+button PDF link annotation
    • https://cdn.sqhk.co/nagubeze/3ichjge/bricks_and_hops_yelp.pdfIn PDF document text
    • http://webdefilmizle.com/2012_lexus_gx_460_off_road_bumperbjd6k.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470222/normal_5fef010b80105.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416140/normal_5febb67a8da52.pdfIn PDF document text
    • http://itwomen.space/update_eset_smart_security_5_username_and_password6u9a7.pdfIn PDF document text
    • https://cdn.sqhk.co/dagosasojo/jhf1hgH/dasatifovove.pdfIn PDF document text
    • http://bcpreactiva-enlinea.com/vupedagosamitozelojatiphlvc0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456393/normal_60109af410533.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403937/normal_5fce636a46ee0.pdfIn PDF document text
    • https://cdn.sqhk.co/tinodifozeza/igBphgO/idle_empire_apk_mod.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413017/normal_5fde6c5d8cb19.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/jexijer/feedback_on_training_template.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9bba5da0-f1fc-4b86-840a-7d0b79dabb73/yamaha_v_star_1100_workshop_manual.pdfIn PDF document text
    • http://bolomubimuga.rf.gd/alice_walker_everyday_use_analysis.pdfIn PDF document text
    • http://paluluw.epizy.com/51862141842.pdfIn PDF document text
    • https://s3.amazonaws.com/jinotugiwomo/99747863999.pdfIn PDF document text
    • https://s3.amazonaws.com/jemisajoda/rules_of_chess_game_in_tamil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1355a5c7-69ad-4712-abf2-6fea6c2f6b55/82118758546.pdfIn PDF document text
    • https://s3.amazonaws.com/voxazedisula/54184121811.pdfIn PDF document text
    • http://roduzafudi.rf.gd/yajur_veda_upakarma_2020_in_tamil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e91c2a3-9b31-4636-b9a9-a5b600f63112/fufafejewopof.pdfIn PDF document text
    • https://s3.amazonaws.com/gumegulaxi/86594160414.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_off0000f568.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF568 5276 bytes
SHA-256: 33eb303db6939368e91428565828710a5a4d915c59d138f14f221da8def13b29
font_01_sfnt_off00010747.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10747 11256 bytes
SHA-256: 904ee9c44b1a267d0f2beffed7a8b878e17d07cae5b6d0aa8923250acecf6ac5

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