Malicious PDF — malware analysis report

Static analysis result for SHA-256 69fe8d8ef40c38ed…

MALICIOUS

PDF

80.5 KB Created: 2021-04-03 08:59:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 878a455b1f65d627c4da01ed7f0f9945 SHA-1: dc0be5faac8f59eb7c208c75b195d26283b3cd70 SHA-256: 69fe8d8ef40c38edc6db66278cef63fc096d3ff822a97902fb5f3b24dbe33601
96 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs, with the primary one being 'https://seumenha.ru/strik?utm_term=manly+p+hall+lectures+on+ancient+philosophy'. This URL, along with others, suggests a phishing or malicious content delivery attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/strik?utm_term=manly+p+hall+lectures+on+ancient+philosophy
    • http://jalimojaben.iblogger.org/totakaxuzele.pdf
    • http://sweetygirl.club/21154336848cf7bs.pdf
    • https://megevoweroke.weebly.com/uploads/1/3/5/3/135351245/meruvukewokog.pdf
    • http://aycotoro6.xyz/41029727297uxdav.pdf
    • http://instapriz.online/150078498605m218.pdf
    • http://verification-help.business/the_great_i_am_by_pastor_larue_howard_lyricsuyzve.pdf
    • http://bluebadge-support.com/bully_mod_apk_revdlg4h6o.pdf
    • https://davabodijesofid.weebly.com/uploads/1/3/4/4/134474123/f67e00b9.pdf
    • https://gimelukisisira.weebly.com/uploads/1/3/4/0/134040832/rapan-bosagonisuzuz-zilekovajem-kazagef.pdf
    • http://topsol.xyz/dibimanakesose7mrz8.pdf
    • http://converstarget.ru/506581145116boy0.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/8c5af2cd-c78f-4f77-9632-4096dbaff775/monitor_cardaco_speedo_66002g0emnp1.pdf
    • https://uploads.strikinglycdn.com/files/24e38dff-c435-406b-92d8-6fb72b02a5c3/vutujuvoreveretotezatejup.pdf
    • https://4e4301d6-cc9a-4939-960a-6b497c1efea6.filesusr.com/ugd/d78803_65257072ea7640f4a94517b243babd98.pdf?index=true
    • https://uploads.strikinglycdn.com/files/66940e74-5702-4ffe-8ba7-f92749b6a0b9/calibrate_samsung_uhd_tv_6_series.pdf
    • https://uploads.strikinglycdn.com/files/a6714d01-1bb1-417f-aa0f-b8af5f3fbf8f/niragenuk.pdf
    • https://f59c0a4d-c104-43ac-8966-a5978cdf1b8c.filesusr.com/ugd/0c1ebd_1c002cb58d4f41babbb206d56f756dc4.pdf?index=true
    • https://uploads.strikinglycdn.com/files/fdaae53e-8e2f-49f8-bee8-0ecc270399a0/kuvileboketuwuguwelawax.pdf
    • https://b09d99c6-da67-4e55-b5b3-baceba093817.filesusr.com/ugd/a69c6c_ffab6068f9f148de9cbe003f1e2674f1.pdf?index=true
    • http://femadovasawexas.epizy.com/socrates_books_free_download.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_off0000fa34.bin
4c3e74d1c073bf87d46d94624e88c3b79160f0c225b7e373bc54793184776447		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA34 5128 bytes
font_01_sfnt_off00010bb4.bin
6bb9a41ff439689fc27b5b17bdf14fa742f44c6b2adb0401b4fa12d9645d3f89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10BB4 12296 bytes

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