Malicious PDF — malware analysis report

Static analysis result for SHA-256 96d76a9fca675ed4…

MALICIOUS

PDF

69.3 KB Created: 2021-03-06 01:26:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: d66d5566c80b3f079e7845804f445835 SHA-1: 97b41d0f7a88fd0113ccc70b89d2fab52949ad4e SHA-256: 96d76a9fca675ed485a36fa1ae8d52ed0e45caaa663fdf20b730783f3fb28c0b
96 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains an external URI pointing to 'fokemale.ru', which is likely part of a phishing or scam campaign. Although no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it is designed to trick users into visiting malicious URLs, potentially leading to further compromise.

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://fokemale.ru/strik?utm_term=intermatic+light+timer+parts PDF link annotation
    • http://rababugizegir.22web.org/8824984888.pdfIn PDF document text
    • http://kindraretterath.com/301318268609q7st.pdfIn PDF document text
    • http://topdouche.xyz/blog_page_design_templatea9gs9.pdfIn PDF document text
    • http://tehnikator.ru/figurative_language_term_listn6dcl.pdfIn PDF document text
    • http://gelchlen.fun/fvtpl_balance_sheett8wd1.pdfIn PDF document text
    • http://ingmijn.com/wozigok5i7p5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374373/normal_603d7181abc69.pdfIn PDF document text
    • http://static-get.top/hero_xpulse_200t_top_speediy2bu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383805/normal_5ff65645bcb5e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450045/normal_602f97cfb827d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fajiwuwigekelal.epizy.com/92408823529.pdfIn PDF document text
    • https://s3.amazonaws.com/pujirageg/mariam_khan_reporting_live_latest_news_gossip.pdfIn PDF document text
    • https://s3.amazonaws.com/zolerazowubow/xazomijovimifawonorokudi.pdfIn PDF document text
    • https://s3.amazonaws.com/remuv/budismo_moderno.pdfIn PDF document text
    • https://s3.amazonaws.com/zuwosil/9897579963.pdfIn PDF document text
    • https://s3.amazonaws.com/mefonevimimix/baby_shower_game_card_templates.pdfIn PDF document text
    • https://s3.amazonaws.com/dugibabafod/how_long_to_become_a_certified_ethical_hacker.pdfIn PDF document text
    • https://s3.amazonaws.com/sefabe/mofamazik.pdfIn PDF document text
    • https://s3.amazonaws.com/sesafefanulokam/94040230407.pdfIn PDF document text
    • http://kevebavan.epizy.com/68210265446.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_off0000d406.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD406 5284 bytes
SHA-256: 3591800b2f4801cdcac4bd3982f122f85604c46743cef299fed86068c576e5d1
font_01_sfnt_off0000e5c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5C8 9980 bytes
SHA-256: 4e452a7f340798bb57c8b09899516d686b6739ba9f9479700841d9ef377ff8e7

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