Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b05330a10da9c40…

MALICIOUS

PDF

71.5 KB Created: 2021-03-05 02:44:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 5a3a29ec00bc0c1cfaee61adf4b09e4b SHA-1: cf348c7de4beb89676cf9e56a1913325d4899c28 SHA-256: 2b05330a10da9c407acf85b37771f85fcf374bbfec9536ddfeaf84fe76a28c24
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/award?keyword=farberware+electric+rotisserie+recipes PDF link annotation
    • http://help-copyrighteamservice.com/diary_of_a_wimpy_kid_the_long_haul_film_castknsh8.pdfIn PDF document text
    • http://ses-paypal.com/les_mis_songs_with_lyrics_youtube731ca.pdfIn PDF document text
    • https://ruminugovukaka.weebly.com/uploads/1/3/0/7/130740017/2403efdbdc94a88.pdfIn PDF document text
    • https://pukelubaluwo.weebly.com/uploads/1/3/4/7/134741361/7171643.pdfIn PDF document text
    • http://edalovert.xyz/136702754369pv1y.pdfIn PDF document text
    • http://totalcreditreport.info/how_to_web_design_and_developmentfoent.pdfIn PDF document text
    • http://rafale.store/juxegerunuzodetesgpy8.pdfIn PDF document text
    • https://tepidupelagoxu.weebly.com/uploads/1/3/4/4/134472529/golir.pdfIn PDF document text
    • https://bunojero.weebly.com/uploads/1/3/0/8/130874162/jamagixat-punipegemu.pdfIn PDF document text
    • https://wepopoxewu.weebly.com/uploads/1/3/1/1/131164118/wexarenofazojo.pdfIn PDF document text
    • https://ladufuvugekowek.weebly.com/uploads/1/3/4/1/134108614/vutexatu-babivuw-zoviwibekit-fodun.pdfIn PDF document text
    • https://ralirepiputup.weebly.com/uploads/1/3/4/8/134852471/ruwenevofuzeze.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/647756d3-c8d8-4a63-9958-71bf8e89e0fe/43907727786.pdfIn PDF document text
    • https://s3.amazonaws.com/jezekemunidup/negative_numbers_problem_solving_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/ejemplo_de_ensayo_argumentativo_corto_sobre_las_drogas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3a6ad68-b783-4848-b1fa-182567371d4d/what_is_the_best_deal_at_taco_bell.pdfIn PDF document text
    • https://s3.amazonaws.com/wekibik/.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bcb95518-d081-426f-8db7-62a8e9cd9c04/what_is_my_ridgeway_grandfather_clock_worth.pdfIn PDF document text
    • https://s3.amazonaws.com/sixolose/everfi_module_9_investing_quiz_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ef0411d4-2d95-4b16-90e8-8af0c42016f3/biology_2_quick_study.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e5b51793-2487-4bbe-9900-9ea2ed30f083/jurozi.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_off0000da87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA87 5116 bytes
SHA-256: 4358db90061e4650e87d5dc12ce66668786d4c414d5e18bed82f68093b6d3804
font_01_sfnt_off0000ec0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC0A 10624 bytes
SHA-256: 8a6468a93ddc84d661d906e950ca39362489905f69fd5fa1ba94acb9a84963ae

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