Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f17d2f389851ba5…

MALICIOUS

PDF

78.6 KB Created: 2021-04-28 00:41:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: bfc97e70fdee8d3f61200ae9bb98f091 SHA-1: 9586f10a3e1383853d17e6c0f7c4790521df0a66 SHA-256: 5f17d2f389851ba5e16c22c41b712cc0be150eca61295a7428959048e00d8157
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 0.9995

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://leonvi.ru/strik?utm_term=the+wave+radio+station+delaware PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4460233/normal_5ff7fec8d0a37.pdfIn PDF document text
    • http://silvanozito.online/65337461058c902z.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403128/normal_5fdaec0ee2db5.pdfIn PDF document text
    • http://gakukuketisalum.scienceontheweb.net/88586016014.pdfIn PDF document text
    • http://acgmgroup.ru/barrett-_jackson_scottsdale_2021_datestnz6j.pdfIn PDF document text
    • http://prizinsta24.space/roper_refrigerator_light_bulbaptu5.pdfIn PDF document text
    • http://lastmarkt.ru/gexovevavegabq07lt.pdfIn PDF document text
    • http://sugakibabusu.scienceontheweb.net/70436806680.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456121/normal_601ec3f96c156.pdfIn PDF document text
    • http://duwudivusupo.mygamesonline.org/mibetunokokel.pdfIn PDF document text
    • http://kubosikavudux.mygamesonline.org/17050276573.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468572/normal_603584b41cabf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378165/normal_5ffaa51ba926e.pdfIn PDF document text
    • http://erethiztzj.space/vitiriliwupinohp313.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://lanosebezazov.onlinewebshop.net/swash_plate_axial_piston_pump.pdfIn PDF document text
    • https://s3.amazonaws.com/firudegix/loxarujijutiwazebi.pdfIn PDF document text
    • https://s3.amazonaws.com/bezutu/32334088469.pdfIn PDF document text
    • https://s3.amazonaws.com/xedewofuretujo/jufotozavudesivatarumev.pdfIn PDF document text
    • https://s3.amazonaws.com/gurafoga/jupamirurosowuvufivaro.pdfIn PDF document text
    • https://s3.amazonaws.com/sutawowirosuvuv/23901945711.pdfIn PDF document text
    • https://s3.amazonaws.com/tejuvonixag/grundfos_irrigation_pump_handbook.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/pagels_gnostic_gospels.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

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_off0000e9ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9CA 4804 bytes
SHA-256: 276f7fef575b298bfb9e5f3c06125d65bd0b9b3cf2b8aa9892e80d5c832e302e
font_01_sfnt_off0000fa25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA25 10752 bytes
SHA-256: 8a289097a380d041540c51071110634a12591150bdb5b290c185c9f3f813c5dc
font_02_sfnt_off00011eb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EB3 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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