Malicious PDF — malware analysis report

Static analysis result for SHA-256 02b289928754e216…

MALICIOUS

PDF

73.6 KB Created: 2021-03-31 14:50:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2f8ff3c2d87955d3668e2d909aa9717a SHA-1: 7b4973bd8af96cb6b1a1560f359236353766c6eb SHA-256: 02b289928754e216f60829898d645759beada64dd4f13628d2b833e992e88547
96 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains an embedded URI pointing to a URL that appears to be part of a phishing lure, likely designed to redirect the user to a malicious site. While no scripts were explicitly extracted, the PDF structure and the presence of external URIs suggest an attempt to deliver a malicious payload or phish for credentials.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://dugedepap.ru/wix?keyword=choice+auto+parts+southaven+ms
    • https://sajofagexureleb.weebly.com/uploads/1/3/4/6/134652103/db33785b.pdf
    • https://tefufujilidawa.weebly.com/uploads/1/3/4/5/134578337/6154118.pdf
    • http://naturaitalia.space/88514794652cxmbg.pdf
    • https://niraniki.weebly.com/uploads/1/3/4/6/134662237/7933470.pdf
    • https://cdn.sqhk.co/nesunarimu/03Zujd6/ballet_for_beginners_at_home_lesson_1.pdf
    • https://cdn.sqhk.co/beluvano/jg2ahit/19039735098.pdf
    • http://molufipet.sportsontheweb.net/apostrophe_worksheets_for_grade_6.pdf
    • http://copyrightviolationcenters.com/valores_de_referencia_del_volumen_plaquetario_medioq8n1b.pdf
    • http://dwatches.site/41159401337gcbjm.pdf
    • http://dream-stat.ru/aruba_105_firmwarejl3va.pdf
    • https://cdn.sqhk.co/gutemokerezo/jajiJgc/game_of_thrones_ending_king.pdf
    • http://women-ita.space/cps_online_reporting_michigano4uwf.pdf
    • http://xakidofe.sportsontheweb.net/5485373451.pdf
    • https://cdn.sqhk.co/xasurila/Lgejcgi/starz_free_weekend_xfinity.pdf
    • http://itdiscount.info/silazopebivagunejefunjslor.pdf
    • http://7gusevshop.website/13398630345xe269.pdf
    • https://cdn.sqhk.co/xanapaje/icvxjcP/color_splash_photo_editing.pdf
    • https://gofubemasuxa.weebly.com/uploads/1/3/2/7/132712405/fewiminupowutufoge.pdf
    • https://rojanudase.weebly.com/uploads/1/3/0/9/130969060/xugenubopa-novokore-lolubilo.pdf
    • https://ropedali.weebly.com/uploads/1/3/0/9/130969406/6420642.pdf
    • http://a1metromovers.com/25108207159w5tsh.pdf
    • http://kozidozilujivox.getenjoyment.net/algorithms_in_java_book.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://gujimosodaza.myartsonline.com/how_to_reset_panasonic_tv_viera.pdf
    • http://majezomisi.myartsonline.com/basobofebojeroxo.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e177.bin
dab629a8ba8843e7a4959805178144a675ae7275906a9bd43842866ffcf35a23		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE177 5104 bytes
font_01_sfnt_off0000f2ad.bin
ee1f77cb445d364aa28eabf026de6a1babaae7719b8472653e373fba9648e513		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF2AD 10728 bytes

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