Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0bb42b0098db19e…

MALICIOUS

PDF

76.5 KB Created: 2021-04-05 02:15:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: cd3782d8b1a9af64994b2dd8756a9b4d SHA-1: 1988e1e812027c75f652f1b69f6f5da10d4fd7eb SHA-256: e0bb42b0098db19e37318dd079edc3e277158bf78a1fc1d071e7fa42acaf137f
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 0.9997

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://maypoin.ru/123?utm_term=jumbled+sentences+for+class+4+pdf PDF link annotation
    • http://sekelenogake.getenjoyment.net/bukomizavopagepizupamak.pdfIn PDF document text
    • http://kolagiriwu.22web.org/kenmore_21514_progressive_canister_vacuum_cleaner_bags.pdfIn PDF document text
    • http://gopadaxin.mywebcommunity.org/las_tres_guerras_carlistas_en_espaa.pdfIn PDF document text
    • http://anarchymedya.com/78808510279qj13w.pdfIn PDF document text
    • http://xorabawik.medianewsonline.com/what_does_drum_rudiment_mean_in_music.pdfIn PDF document text
    • http://telgrm.site/62395868933avfdj.pdfIn PDF document text
    • http://premiumpornclips.com/guess_the_brand_level_55vho1f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zefufunitigo.rf.gd/sketchnote_workbook_for_beginners.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c776f076-29d1-4cbe-a0e0-ff07eccd842e/xusaraned.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2dff3160-b4d4-4c02-b287-279567bfbab8/andrew_loomis_how_to_draw_the_head_and_hands.pdfIn PDF document text
    • http://forezepolutaju.onlinewebshop.net/36048761244.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d37d62a1-859e-49ca-852e-5a5f0f991dac/bobepulovuvazopipoj.pdfIn PDF document text
    • https://s3.amazonaws.com/wegugus/40209181153.pdfIn PDF document text
    • https://s3.amazonaws.com/dutimajizowa/casio_forester_watch_strap.pdfIn PDF document text
    • https://s3.amazonaws.com/gapuruxumeg/39007138914.pdfIn PDF document text
    • https://s3.amazonaws.com/kaxukok/bonuslink_card_application_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8ce3dc95-b6be-4dfb-9ba6-48e2e279715b/judigenumifigewarut.pdfIn PDF document text
    • http://tarobajasupimi.epizy.com/application_form_for_govt_job.pdfIn PDF document text
    • https://s3.amazonaws.com/suzujewa/6.0_powerstroke_oil_cooler_gasket_set.pdfIn PDF document text
    • https://s3.amazonaws.com/xifabilejilab/61572623955.pdfIn PDF document text
    • https://s3.amazonaws.com/zedudo/34465953742.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_off0000ee90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE90 5516 bytes
SHA-256: ee39e800cd14937ca51f226393be0b494e1774cec679de3da9246cfdfb9e4cfb
font_01_sfnt_off0001013c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1013C 10484 bytes
SHA-256: d43b6f88cca76d171f8e6319d6c04bb0b2cf603af92b967d8fa39901b1a17c97

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