Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebcdc9c9dfd313b1…

MALICIOUS

PDF

67.8 KB Created: 2021-02-11 15:43:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 13c77d3f9045de674148aacbd444e96c SHA-1: d32c6c87d7cce055556fdc8beff9e4173822b3bb SHA-256: ebcdc9c9dfd313b141ba0967acff63c9ae1d876efc9887d037a6bb8d7d4e46a0
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 0.9996

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://maypoin.ru/123?utm_term=leonardo+plaza+jerusalem+telephone+number PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4382770/normal_6005e78b92618.pdfIn PDF document text
    • https://kagopibuxewiki.weebly.com/uploads/1/3/1/3/131398156/bebiruzelumajumeg.pdfIn PDF document text
    • http://my-favshoph.online/how_to_see_nearby_friends_on_facebook_app64za9.pdfIn PDF document text
    • http://tryici.xyz/resistance_3_trophies_guidefr7hf.pdfIn PDF document text
    • https://monowulesamewul.weebly.com/uploads/1/3/2/6/132682048/fozob.pdfIn PDF document text
    • https://cdn.sqhk.co/wolebiduju/hghDCie/talking_pocoyo_football_free.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427274/normal_601630d2987f7.pdfIn PDF document text
    • http://nabenopavaz.iblogger.org/41735669839.pdfIn PDF document text
    • https://cdn.sqhk.co/lazodadevab/Oslkigm/narrator_s_voice_pro_mod_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493266/normal_601f5463b4064.pdfIn PDF document text
    • https://zalinojawovuga.weebly.com/uploads/1/3/4/8/134886974/murifidomelafonaz.pdfIn PDF document text
    • https://fifeguku.weebly.com/uploads/1/3/4/7/134733895/rukesafebovokow_nurogemebupuva_kopazod.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://diwedixeku.rf.gd/robadomoli.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/4541503366.pdfIn PDF document text
    • http://memaded.epizy.com/bizhub_c364e_driver.pdfIn PDF document text
    • http://pitepune.epizy.com/divituwowoxo.pdfIn PDF document text
    • https://s3.amazonaws.com/kukupunopedon/medical_dictionary_free_for_desktop.pdfIn PDF document text
    • https://s3.amazonaws.com/fasudikek/76046459173.pdfIn PDF document text
    • https://s3.amazonaws.com/dovulavavo/32275096858.pdfIn PDF document text
    • http://wawaxujogoned.rf.gd/dna_phenol_chloroform_isoamyl_alcohol_extraction.pdfIn PDF document text
    • https://s3.amazonaws.com/toniseligiwuzux/materiales_dentales.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_off0000cda7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDA7 5404 bytes
SHA-256: 7ffa96a6d59067a69cb758569049338158662aa6f56c3301d08c58d6c616ac9a
font_01_sfnt_off0000dfdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFDD 9820 bytes
SHA-256: b26de47e98811738594d39c33afccd3d88caf2eedef3e4f5014d00bc5505b198

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