Malicious PDF — malware analysis report

Static analysis result for SHA-256 9357547697eac986…

MALICIOUS

PDF

81.5 KB Created: 2021-04-05 23:52:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 617d2a00ed749dd978e0f1b8de26cbfa SHA-1: 506cd33938b0b8bb5fdf89d8a1398807c4c39f3d SHA-256: 9357547697eac9863e0ff1c0e2fef12f6c937d09f122a51da8c3c15ff5a93e28
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 0.9995

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://midufefew.ru/wix?keyword=bosch+template+guides+with+quick+lock PDF link annotation
    • http://lishop.site/samsung_scx-4623f_series_scanner_softwareahazq.pdfIn PDF document text
    • https://cdn.sqhk.co/lezajoduwu/eI3zgfV/brawl_stars_hack_mod_apk_2018.pdfIn PDF document text
    • https://cdn.sqhk.co/gisopagipize/iicXkCh/skylands_medical_group_lake_hopatcong.pdfIn PDF document text
    • http://gadivawiw.sportsontheweb.net/xumuzira.pdfIn PDF document text
    • http://fafijitesulexiz.mygamesonline.org/46683639284.pdfIn PDF document text
    • http://shopsupergood.site/48229831711zm68p.pdfIn PDF document text
    • http://nosixavol.sportsontheweb.net/evermotion_archinteriors_vol_36.pdfIn PDF document text
    • http://baboguzaxeleju.mypressonline.com/aneurisma_aorta_ascendente.pdfIn PDF document text
    • http://ritual-venki.online/royal_1830mx_cross-cut_paper_shredder_reviewsva6jb.pdfIn PDF document text
    • http://wersita.fun/vatican_assassins_eric_jon_phelpsob2ku.pdfIn PDF document text
    • http://consumer-data-protection-bureau.com/jaxuworirudowokenfkvuq.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://naxefugoxodikow.atwebpages.com/new_headway_beginner_third_edition_workbook_with_key.pdfIn PDF document text
    • https://s3.amazonaws.com/tevomenil/31640423559.pdfIn PDF document text
    • https://s3.amazonaws.com/vukujidor/breakfast_club_assistant_interview_questions_and_answers.pdfIn PDF document text
    • https://83372c7a-1065-4b07-8284-b64562b46e84.filesusr.com/ugd/035489_2a9fc51fbafb413ba4a11af852084954.pdf?index=trueIn PDF document text
    • https://62dace35-232c-43a2-b3e8-6cf19ad57148.filesusr.com/ugd/42ae31_95042ad71dbb4ecdbc196f3052731f69.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xoferuzu/australian_government_immigration_form_888.pdfIn PDF document text
    • http://xepuzakudera.atwebpages.com/advantages_of_social_media_in_education.pdfIn PDF document text
    • http://pimobepetokonud.myartsonline.com/how_to_change_celsius_to_fahrenheit_in_medical_infrared_thermometer.pdfIn PDF document text
    • https://s3.amazonaws.com/negonanopix/galacticraft_space_station_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/negonanopix/25048887858.pdfIn PDF document text
    • https://c538924d-9290-4e35-808b-5013ecaac822.filesusr.com/ugd/047ea9_77c43237323d4df3b3b4c01ce83c161e.pdf?index=trueIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000efa0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFA0 5500 bytes
SHA-256: 57f56fa08c05c67165666121d22a3336ad222eb0b6626e5111a2bee7f55dde2a
font_01_sfnt_off00010266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10266 11244 bytes
SHA-256: b42b688f03fc51b675f8b271a3ddb11fafd0e5630c7a8d96f7504568b6e7e801
font_02_sfnt_off0001288c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1288C 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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