Malicious PDF — malware analysis report

Static analysis result for SHA-256 94932897adeac7f0…

MALICIOUS

PDF

253.3 KB Created: 2021-05-05 18:46:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: d0d2364384098e0a06a870260ab1a1a0 SHA-1: 94152ca6a14c35d7dd1a4856e3de8dd3179a0c00 SHA-256: 94932897adeac7f0d8ddf4b3faf18ba69194aa93b3b5cfd281c99fbd66cfd52e
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that redirects to a URL disguised as a search result. This suggests a phishing or social engineering attack aimed at tricking the user into visiting a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9732

Heuristics 4

  • ClamAV: Pdf.Phishing.NoRobot072149-9875409-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.NoRobot072149-9875409-0
  • 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://gimoguvi.ru/wb?keyword=significance%20of%20renewable%20energy%20sources PDF link annotation
    • https://cdn.sqhk.co/zativojor/ciiEsB0/best_sites_to_learn_digital_marketing_for_free.pdfIn PDF document text
    • https://cdn.sqhk.co/pitewomepe/igjeBid/gear_club_true_racing_mod_apk_obb_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445101/normal_602830e9ba64a.pdfIn PDF document text
    • https://cdn.sqhk.co/masezupusi/hiVXDic/who_is_the_infographics_show_girlfriend.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483103/normal_60402f115b4c6.pdfIn PDF document text
    • https://cdn.sqhk.co/fegukajebaj/digjdgT/highwayman_meaning_synonym.pdfIn PDF document text
    • http://warixedivukinat.mygamesonline.org/16124505696.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473388/normal_602508832879f.pdfIn PDF document text
    • http://pemizirevubel.mywebcommunity.org/cell_sectoring_in_mobile_communication.pdfIn PDF document text
    • http://zilitimo.getenjoyment.net/realisasi_apbn_2020.pdfIn PDF document text
    • http://xiwupulo.medianewsonline.com/lotuvuvitomufobagunitexo.pdfIn PDF document text
    • https://cdn.sqhk.co/feketukadoz/jjBiehf/39820751844.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kavalukato/amazon_music_pc_chip.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/63a59b3d-6ace-41d5-926f-04b35cc93001/rawuruliweremodavulosuni.pdfIn PDF document text
    • https://s3.amazonaws.com/bubisifapagefe/17383185883.pdfIn PDF document text
    • https://s3.amazonaws.com/tixedujegibex/the_happy_body_plan_alexandra.pdfIn PDF document text
    • https://s3.amazonaws.com/miledu/84831745639.pdfIn PDF document text
    • http://sagoralezerelo.onlinewebshop.net/3514786045.pdfIn PDF document text
    • https://s3.amazonaws.com/mokamoba/12940336306.pdfIn PDF document text
    • https://s3.amazonaws.com/luworizesupox/adobe_reader_win_7_64_bit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/15585da2-6655-4b90-9a59-36356fd8c969/vefijofezulibufexakofip.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_off0003aaf3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AAF3 5488 bytes
SHA-256: d1ff20d8c7268f544b62bbfaeea536417b3af146f48a6aa08328fb74ee90bc63
font_01_sfnt_off0003bdd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3BDD0 11596 bytes
SHA-256: 1b6687b7472f048706b362759022529a13bf575661c09279224ad3a0ca7347b8

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