Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5ce491dd66dc3f7…

MALICIOUS

PDF

78.1 KB Created: 2021-04-25 13:40:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 1ffb039603a0a0afd0992c25107e474e SHA-1: 52a579b5435643a3c19512a865739ca81b243250 SHA-256: f5ce491dd66dc3f76fabb863b8206748a420be5e97056a5d7103cd23949a6b03
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 0.9998

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://jottigo.ru/strik?utm_term=simpson+honda+power+washer+3000+psi PDF link annotation
    • https://cdn.sqhk.co/zatovafer/d1AoFh9/xapawit.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476294/normal_60142f7845401.pdfIn PDF document text
    • http://milanomoda.site/platform_toolset_v11009urf.pdfIn PDF document text
    • http://itchia.space/how_to_give_gratitude8dc16.pdfIn PDF document text
    • http://in-step.shop/jumasusoweguvujepumnohvp.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417119/normal_5fedfa0536216.pdfIn PDF document text
    • http://knitfqph.site/favokofakapkposg.pdfIn PDF document text
    • http://baltika-trans.ru/69927613636ed6ra.pdfIn PDF document text
    • https://cdn.sqhk.co/gogerazina/I17Ehi0/71644085982.pdfIn PDF document text
    • http://konsalting.info/what_are_the_elements_of_art_and_principle_of_design5ttdk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485689/normal_5ff4b98a14853.pdfIn PDF document text
    • https://cdn.sqhk.co/felolavap/dighh4N/71503605927.pdfIn PDF document text
    • http://smartbright.club/jadarivosusenegone0rj65.pdfIn PDF document text
    • https://cdn.sqhk.co/rapawaferew/6hjyuN0/cartoon_network_games_50_in_1_download.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/gozilum/79419740236.pdfIn PDF document text
    • https://s3.amazonaws.com/wavunot/free_printable_basketball_score_sheet_template.pdfIn PDF document text
    • https://s3.amazonaws.com/falevi/life_after_mod_apk_latest.pdfIn PDF document text
    • https://s3.amazonaws.com/pibajuwi/rexabafinadorewokazojet.pdfIn PDF document text
    • https://s3.amazonaws.com/zijivevip/dubexozapiva.pdfIn PDF document text
    • https://s3.amazonaws.com/jazofi/league_of_legends_runes_reforged_guide.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_off0000f1ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1CA 5668 bytes
SHA-256: 14eab345f786bc387a9fdd172d4401734cc27df0adca62844b7f9c6d12ce5001
font_01_sfnt_off000104f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104F4 11068 bytes
SHA-256: 764b7d8348b82bb57850e9978d8ea2a26313b058eaebdc640efa114c6b7acb13

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