Malicious PDF — malware analysis report

Static analysis result for SHA-256 d41de25beadfe31b…

MALICIOUS

PDF

277.1 KB Created: 2021-05-06 07:00:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 92f30879a3cd443e745a76b642dbe7b9 SHA-1: 10da3473d669a6fdd15b9525df8de1d643daac2e SHA-256: d41de25beadfe31b868a67ef6df7800a4ced1a614114c7d74cd6090759099aa8
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 0.9118

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=nelson+mandela+books+in+telugu PDF link annotation
    • http://itdiscounts.info/lajavufotivox6c30.pdfIn PDF document text
    • http://comp-arenda.site/glory_of_generalsaddpq.pdfIn PDF document text
    • http://rabota-plus.club/what_does_just_fine_mean_in_spanishu4kmz.pdfIn PDF document text
    • http://blubadgehelp.net/329099579848jc5i.pdfIn PDF document text
    • http://smirnoff-optic.com/how_to_clean_jenn-air_cooktop_vent3wit2.pdfIn PDF document text
    • http://foodguideblog.com/zombie_attack_online_survive_zombies_game2oum2.pdfIn PDF document text
    • http://boxberry-24.cc/lowiwidatetinutubawixagaxygqyh.pdfIn PDF document text
    • https://dukupifit.weebly.com/uploads/1/3/0/7/130775427/731042.pdfIn PDF document text
    • https://vigelabed.weebly.com/uploads/1/3/4/3/134368569/5b6fd6bbddb9c1b.pdfIn PDF document text
    • https://xikofekukinakij.weebly.com/uploads/1/3/2/6/132681309/lojukexez.pdfIn PDF document text
    • https://woxukobu.weebly.com/uploads/1/3/4/3/134392577/5449647.pdfIn PDF document text
    • https://fexegidonowagi.weebly.com/uploads/1/3/5/3/135325594/c40a8a450bf46.pdfIn PDF document text
    • https://mosovokiz.weebly.com/uploads/1/3/4/3/134333023/b4f73b050284.pdfIn PDF document text
    • https://pezebojikunebal.weebly.com/uploads/1/3/4/3/134362674/b1404022c39.pdfIn PDF document text
    • http://topmassage.net/tnpsc_departmental_exam_2019_answer_keyk96dv.pdfIn PDF document text
    • http://ejinaya.com/palsy_meaning_in_hindisb8f3.pdfIn PDF document text
    • https://viwoxinuzozaxa.weebly.com/uploads/1/3/1/6/131636825/77ecf0ff79.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.indictrans.orgIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/flannelette_sheets_ebay_au.pdfIn PDF document text
    • https://s3.amazonaws.com/xisakazelelinim/kosapurijomezejuzi.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/84901457798.pdfIn PDF document text
    • https://s3.amazonaws.com/zuniverijesud/mukifuvefebuwabab.pdfIn PDF document text
    • https://s3.amazonaws.com/gotitibekovi/25387137477.pdfIn PDF document text
    • https://s3.amazonaws.com/zamemigojat/gugajovowixivur.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/teri_akhiyon_ka_kajal_remix_song.pdfIn PDF document text
    • https://s3.amazonaws.com/neporezofov/how_to_get_rid_of_a_pimple_under_your_nose.pdfIn PDF document text
    • https://s3.amazonaws.com/rokuwapesu/tusibetawojo.pdfIn PDF document text
    • https://s3.amazonaws.com/zesotat/resolving_vectors_a_level_physics_worksheet.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003e610.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E610 5224 bytes
SHA-256: d81a70e5303e473cf085471b1af9682ca17cd01dce78f97ecc0c5a41ec687976
font_01_sfnt_off0003f7c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F7C4 5236 bytes
SHA-256: f21b05a2340b363a1ed8b0bbfc234bf9da5e90c1c639b98be765a2f280f9ba06
font_02_sfnt_off00040851.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40851 16400 bytes
SHA-256: bb7542c2d0c01cfcb4f23ced243fd8a551073218a9ddf34bf842d438042fceda
font_03_sfnt_off00043928.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43928 2688 bytes
SHA-256: 512483c57a24b4352d2eeec5a7eab8e187acc91fc8ae1234fa79abf12fac9a06

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