Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfd95c050bec6080…

MALICIOUS

PDF

92.2 KB Created: 2021-02-15 10:42:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 750653107111189a81f23108ecd765a4 SHA-1: fb1964900e293edd3e8a5e71e6367a6b9c0598f5 SHA-256: dfd95c050bec6080a9a5fda25863801d72cfab18c1519fc2647d3c9d5e08d64e
96 Risk Score

Malware Insights

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

The PDF file contains a lure related to the history of programming languages, directing the user to a suspicious URL. ClamAV and ML classifiers strongly indicate maliciousness, consistent with a phishing attempt. Although no scripts were directly extracted, the embedded URLs suggest the document's purpose is to redirect users to malicious content, likely for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://jacksth.ru/123?utm_term=history+of+c+programming+language+in+hindi PDF link annotation
    • http://50off.pro/43001115191koiki.pdfIn PDF document text
    • http://dlkmvkoenv.info/c_h_s_school_form_2019e05sv.pdfIn PDF document text
    • http://streichpack.online/download_slumdog_millionaire_full_moqhvjn.pdfIn PDF document text
    • http://saleproducts.pro/24601975246n9u36.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381541/normal_6025df300f768.pdfIn PDF document text
    • http://bestcreditcheck.info/citta_20_mg_bulal9mc5.pdfIn PDF document text
    • http://art-practice.org/lujagewurefexezn5ab.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460057/normal_60299c78bd892.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rafodize.rf.gd/pokojuxepuror.pdfIn PDF document text
    • https://s3.amazonaws.com/wupagivoz/zadivoberalemegisuvel.pdfIn PDF document text
    • https://s3.amazonaws.com/farezelof/71819570271.pdfIn PDF document text
    • https://s3.amazonaws.com/nuselufuzo/54285576154.pdfIn PDF document text
    • https://s3.amazonaws.com/xoxaneral/new_english_movies_free_for_mobile.pdfIn PDF document text
    • https://s3.amazonaws.com/midizaxopazeji/50138417534.pdfIn PDF document text
    • https://s3.amazonaws.com/zunaduxa/65020528962.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/remilewitu.pdfIn PDF document text
    • http://pomedoto.epizy.com/arsenal_fixtures_and_tv_guide.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010582.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10582 4016 bytes
SHA-256: 403effb9c3c639814c148cac1e498e74bf8eb2f2dc2f9263a666fdeaf4abcb47
font_01_sfnt_off000113af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113AF 5632 bytes
SHA-256: 5e37e303aa03ca5bb41f7758fb29b50799fbc206f1c0e03954929adc2d0f1fb5
font_02_sfnt_off000126b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126B6 11152 bytes
SHA-256: a65ce7e234aa96a02e2e43e0206a99de045943c7f9458011f6774a31c8adf357
font_03_sfnt_off00014d2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14D2E 16164 bytes
SHA-256: d781c508aaf473e50263a6aabc3f4161b7fa10724c54bb8d35addee38a7f1c44

Open this report in the interactive analyzer, or submit your own file for analysis.