Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0910767c20c92b3…

MALICIOUS

PDF

71.2 KB Created: 2021-05-17 17:49:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 3057fc8fd0e90eecaa978419e18068ce SHA-1: b15d0789015754a1f8e7fe825a1629b89dfec058 SHA-256: b0910767c20c92b33eb637248021eae020ffe18c800d6a467b80acc592084ab7
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://bologen.ru/strik?utm_term=how+to+connect+hp+laserjet+to+wifi PDF link annotation
    • http://arfesopt.com/weed_eater_featherlite_plus_fl26_parts6izkm.pdfIn PDF document text
    • http://daziruwa.22web.org/wonderful_tonight_guitar_chords.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467318/normal_5fe7e0f26bcf2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387224/normal_601b7280d667f.pdfIn PDF document text
    • http://tiktoktop.design/destiny_2_forsaken_exotics_guidekard5.pdfIn PDF document text
    • http://complect-tech.ru/fonavubelivnyuc.pdfIn PDF document text
    • https://cdn.sqhk.co/nobukomorur/52Ppia1/wacom_pen_app_lenovo_download.pdfIn PDF document text
    • https://cdn.sqhk.co/madufuxenuw/izheijH/hot_wheels_city_ultimate_garage_2020.pdfIn PDF document text
    • http://honbiz.pro/41319985952mrysd.pdfIn PDF document text
    • https://cdn.sqhk.co/fopujetoros/hbJtVkF/machine_gun_ringtone_app.pdfIn PDF document text
    • https://cdn.sqhk.co/sepokafaru/fjjicji/58703811703.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/faluzotixupi/google_drive_pake_idm.pdfIn PDF document text
    • http://kajomeki.epizy.com/dononojolanelogitikine.pdfIn PDF document text
    • http://lorazak.epizy.com/caretech_holdings_annual_report_2017.pdfIn PDF document text
    • http://donolipapaxe.rf.gd/best_guided_meditation_vr.pdfIn PDF document text
    • https://s3.amazonaws.com/dubiditiginowo/defubatimedakab.pdfIn PDF document text
    • https://6acf0ca1-aa41-4771-8b91-54baff69ee7f.filesusr.com/ugd/7d1dc9_d20b83f1504c40548384dc4a9568fa8c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jupudizadid/lenoxivef.pdfIn PDF document text
    • https://s3.amazonaws.com/liguwubore/how_to_delete_google_account_recovery.pdfIn PDF document text
    • https://s3.amazonaws.com/zikeko/which_sentence_structure_is_correct.pdfIn PDF document text
    • https://6196a4e6-b3b5-4a85-a139-4ec84e0a53d9.filesusr.com/ugd/d01287_5254fe560d5c4e96a90ecbfcb3393132.pdf?index=trueIn PDF document text
    • https://083189c9-8220-4687-a375-57be19a37228.filesusr.com/ugd/909b15_1052445ed648432f9994d73a8bb47884.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d884.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD884 5232 bytes
SHA-256: a4c66f73ec68c5fc464f060f58409ac55adef1639cf9f4f277055b722d876b07
font_01_sfnt_off0000ea5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA5A 10316 bytes
SHA-256: 833abce44c7d6d5855c0c759bf82e653f47bb42d94b45b34da393c03d9faddcc

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