Malicious PDF — malware analysis report

Static analysis result for SHA-256 baee5b2c40fa1a9d…

MALICIOUS

PDF

83.9 KB Created: 2021-04-02 05:13:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 41884e733dfdf768ce4790b0c8f0b743 SHA-1: ca110a133d22e285d201524c1048cb4f0a05b908 SHA-256: baee5b2c40fa1a9d43a083a2ded22fc6d8d900e9f04c6c81ff862b7f4f6befcc
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 0.9992

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://baarspo.ru/aws?utm_term=the+fault+in+our+stars+book+age+rating PDF link annotation
    • http://nupubidodeje.22web.org/39563941092.pdfIn PDF document text
    • http://dalidusiz.mywebcommunity.org/eaton_transmission_fluid_type.pdfIn PDF document text
    • http://tudewulowas.iblogger.org/edital_auditor_fiscal_df.pdfIn PDF document text
    • http://nakijeku.mygamesonline.org/basketball_strength_training_program.pdfIn PDF document text
    • http://selozufuwadapuw.66ghz.com/75249803377.pdfIn PDF document text
    • http://waludojugemupa.iblogger.org/6673484164.pdfIn PDF document text
    • http://gotexewadegu.iblogger.org/dogoxak.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/vososasoxumete/17678316128.pdfIn PDF document text
    • http://wisopex.epizy.com/sanitary_landfill_adalah.pdfIn PDF document text
    • https://s3.amazonaws.com/zetubakuz/spectra_oven_cleaning.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/716ca305-a46b-4456-97a9-634fc698f7b5/blackberry_2020_price_in_india.pdfIn PDF document text
    • https://s3.amazonaws.com/vojapu/stannah_300_stairlift_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f13a35a8-777c-447b-9c67-98e62ac3dbdf/wonaretu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/30f31eff-a1be-4f19-be81-11a5431ea962/what_temperature_should_water_tank_be_set_at.pdfIn PDF document text
    • http://majexubul.rf.gd/how_to_start_dbt_therapy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9c1b8856-70a2-443b-80dc-bf4f4cbb6d35/tizonoruj.pdfIn PDF document text
    • https://s3.amazonaws.com/tujeviwakirawu/best_reader_android.pdfIn PDF document text
    • http://xejimeve.rf.gd/viktor_frankl_biografia_resumen.pdfIn PDF document text
    • http://bilelixolivip.rf.gd/the_5th_wave_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e55a4dd4-1a8f-4acc-a6ed-d042e5595944/is_inkscape_easier_than_illustrator.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/letowejazalixa.pdfIn PDF document text
    • http://wijuweluxevem.rf.gd/32221835291.pdfIn PDF document text
    • http://vejavete.rf.gd/body_movement_worksheet.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC9A 5064 bytes
SHA-256: c328403d99e594434a9bbbd1fc9e955fd337d792f30a10541e04805c019fbf9a
font_01_sfnt_off00010dcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DCC 11160 bytes
SHA-256: 3799ef2b46b9e652a2f9e1c199333110a14371942d174670df37bbe46148b3f8
font_02_sfnt_off000133b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x133B6 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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