Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ca6342a262efcea…

MALICIOUS

PDF

78.9 KB Created: 2021-03-22 21:26:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 91b7ba77c46a182d14309a2cbd33b013 SHA-1: 9e19d9911f60bde2d0ba1631d165430b61efb637 SHA-256: 2ca6342a262efcead8c3a5f8d678d021f05839118eaf52e917a2ad214900554c
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 0.9993

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://fokemale.ru/strik?utm_term=cuisinart+dfp-14bcny+14-cup+food+processor+parts PDF link annotation
    • http://sufulilutidake.mypressonline.com/ctet_question_paper_2020_in.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476566/normal_5fe96ff2a78eb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370288/normal_60175350f1bbc.pdfIn PDF document text
    • https://cdn.sqhk.co/ninoporaleva/niQwtzL/car_bill_of_sale_form.pdfIn PDF document text
    • http://vumajufeboxidik.mywebcommunity.org/89403949573.pdfIn PDF document text
    • http://kibesamifi.getenjoyment.net/45259786246.pdfIn PDF document text
    • https://cdn.sqhk.co/mekibekowufe/cjbXLZm/injustice_gods_among_us_ps4.pdfIn PDF document text
    • http://sugameloxufe.mywebcommunity.org/78835932855.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420907/normal_601ecaf76bdf7.pdfIn PDF document text
    • https://cdn.sqhk.co/relulapezele/hPZvAjd/warplanes_ww2_dogfight_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470220/normal_60450646ac845.pdfIn PDF document text
    • https://cdn.sqhk.co/mepapogivoma/hhdjihb/pandemic_game_strategy.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491432/normal_6017536189561.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/pusolefosex/oreilly_learning_python.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b38068ed-31d5-454e-864b-434073255a30/31805068180.pdfIn PDF document text
    • https://s3.amazonaws.com/zupenafud/votugasux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6dad2505-7cf6-4165-a45e-73871176a3c4/how_to_set_an_rca_alarm_clock.pdfIn PDF document text
    • http://wusozupit.myartsonline.com/antipsychotic_drugs_mcq.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/28688863286.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7bb97807-baba-4aa7-9c8e-1690353c5642/14450890230.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1bca6848-edf0-40fc-a549-01c92b37b89d/nudurelix.pdfIn PDF document text
    • https://s3.amazonaws.com/tolivajupeku/32737657305.pdfIn PDF document text
    • https://s3.amazonaws.com/diwitapezu/61509917862.pdfIn PDF document text
    • https://s3.amazonaws.com/jolunenafobuw/33675790119.pdfIn PDF document text
    • https://s3.amazonaws.com/zesotat/vibekuvowenixiligatotaval.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_off0000f497.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF497 5436 bytes
SHA-256: e4348aef5fbfb2c3b7d081eaeff53f9856239b00ca26fa456134bd912f268a84
font_01_sfnt_off00010732.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10732 11284 bytes
SHA-256: 5c92699e6311f2c6819b39763167262494947ec964f33fd73b8b5b10ff9051e9

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