Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d9f2103bd25a1d5…

MALICIOUS

PDF

87.5 KB Created: 2021-01-18 01:35:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: c781fb63159795ac90e5c638395c35ee SHA-1: 9de688051547af083189ee7b7ef3e55976c00556 SHA-256: 2d9f2103bd25a1d53eab4e848c5902d3909f24997c297e863afa801b3721dac6
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://traffnew.ru/aws?utm_term=avatar+2+720p PDF link annotation
    • https://site-1178226.mozfiles.com/files/1178226/wavutuvujegeso.pdfIn PDF document text
    • https://site-1175610.mozfiles.com/files/1175610/dayz_hunter_3d_zombie_games_unblocked.pdfIn PDF document text
    • https://site-1168260.mozfiles.com/files/1168260/66551061595.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470677/normal_600176a1361a1.pdfIn PDF document text
    • https://site-1177175.mozfiles.com/files/1177175/56834538158.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409826/normal_5fc31111f2653.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/fasanag/21623302424.pdfIn PDF document text
    • http://fawivemepogu.epizy.com/chomsky_normal_form_online_converter.pdfIn PDF document text
    • http://pikuvideposem.epizy.com/bible_niv_free.pdfIn PDF document text
    • http://tafaredos.rf.gd/risk_matrix_score_template.pdfIn PDF document text
    • https://s3.amazonaws.com/werowibovezoje/temperament_types.pdfIn PDF document text
    • https://s3.amazonaws.com/pulujolatepuv/tejiputujesefod.pdfIn PDF document text
    • http://wuguwusilabibax.epizy.com/factual_data_credit_report_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/midaguvimabof/rudram_namakam_chamakam_telugu_astrojyoti.pdfIn PDF document text
    • https://s3.amazonaws.com/nafibanefexex/bogele.pdfIn PDF document text
    • https://s3.amazonaws.com/jupoti/tamil_new_movies_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/rolefosiju/sidajegebagij.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/73645183628.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001024d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1024D 5004 bytes
SHA-256: 1136f6115d44757ebadcce45d1d93922302ae8831ef97f0da97c9339aa736f70
font_01_sfnt_off00011370.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11370 11784 bytes
SHA-256: 3d359a15aba2841535335bb8b7c7c21a4fac9a2f9d66745a65595c2512c56695
font_02_sfnt_off00013b6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B6A 16204 bytes
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e

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