Malicious PDF — malware analysis report

Static analysis result for SHA-256 d38ba23839b16301…

MALICIOUS

PDF

72.8 KB Created: 2021-03-23 04:49:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ee2e6aa83c7a76557301d4bc085a03d3 SHA-1: 5df0e7c2a278ef6ebc2800b0b46f85e54b43664d SHA-256: d38ba23839b16301963a9f0d53ebf22fc7d43d3df7d1f3a1ca935fea7bc42d2a
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 0.9993

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://golowaki.ru/wix?keyword=netflix+free+apk PDF link annotation
    • http://trychambre.xyz/diablo_2_lord_of_destruction_best_classa0f0c.pdfIn PDF document text
    • https://cdn.sqhk.co/xaxovowupofa/VC4LlAP/minecraft_diamond_armor_costume_diy.pdfIn PDF document text
    • https://cdn.sqhk.co/wibafozadil/aGbiafI/pokemon_fan_art_wallpaper.pdfIn PDF document text
    • https://cdn.sqhk.co/mimufedu/Pjfhgvj/the_chosen_cast.pdfIn PDF document text
    • https://cdn.sqhk.co/sunomedude/rge17SM/diy_bunny_cardboard_castle.pdfIn PDF document text
    • http://hookup753.fun/81023258631f3kgj.pdfIn PDF document text
    • http://arendaavto.taxi/how_to_predict_bond_angles_and_shape2ezz0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tupareboniviko.rf.gd/wilderness_and_the_american_mind_chapter_summaries.pdfIn PDF document text
    • https://8641c524-1fb5-4292-87ed-dd72f64d6c22.filesusr.com/ugd/9b7d8a_cc9b011ddb114d978950abbaf83b53b5.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kubafezin/resttemplatebuilder_basic_authentication_example.pdfIn PDF document text
    • https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_206e3fb6e86b4cebb11662e5cf0b4c31.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wegugus/canon_mp240_series_scanner_driver.pdfIn PDF document text
    • https://s3.amazonaws.com/rekorewexidiwo/12791701423.pdfIn PDF document text
    • https://60f6da8c-824c-4163-aae9-6195f2ac7ed4.filesusr.com/ugd/7f16bd_6b79ffd2a0c54ecf9b79bd70b38dd81b.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rogugagatuf/81880433901.pdfIn PDF document text
    • http://lekipuvuji.epizy.com/ultrasound_guided_intrathecal_pump_refill.pdfIn PDF document text
    • http://silapopo.epizy.com/lanujasudoromifobolo.pdfIn PDF document text
    • https://d397443b-80d0-4e74-967c-4ce830ee3754.filesusr.com/ugd/0a76f0_55f2128ca2004cf8a87dae0fbfd24d79.pdf?index=trueIn PDF document text
    • https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_51f2802e4d164124b792de90821dc240.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/pezofut/94804655318.pdfIn PDF document text
    • http://puligop.epizy.com/pekunarumuvipi.pdfIn PDF document text
    • http://banidokote.epizy.com/campus_politics.pdfIn PDF document text
    • https://s3.amazonaws.com/savukojubusum/anandamela_pujabarshiki.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_off0000e147.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE147 4816 bytes
SHA-256: 6af27ab303f584a50ed87df90b37d8502518ea91f030c96414eca00333d498de
font_01_sfnt_off0000f1c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1C6 10684 bytes
SHA-256: f82f09a9b558e532869fa10a4ad3b3c08580005c4507ef72b0cc6beb547aaea3