Malicious PDF — malware analysis report

Static analysis result for SHA-256 929dba7d4a9227cc…

MALICIOUS

PDF

78.3 KB Created: 2021-03-22 15:02:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 834eef06a3382b91e523fd78f94b6696 SHA-1: 8b3a6183232f40514cf3dd548967fa428412c375 SHA-256: 929dba7d4a9227cc9fccf2b2b4641ac0bd58b04f7bc8ae313d970adb60d87ae8
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 0.9991

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://maypoin.ru/wix?keyword=psx+apk+download PDF link annotation
    • http://sumujimorisu.22web.org/ask_and_it_is_given_audiobook.pdfIn PDF document text
    • http://naykaryadom.fun/uber_driver_dayton_ohio1kl3q.pdfIn PDF document text
    • http://romeital.space/mizizusvm8bo.pdfIn PDF document text
    • http://tuxedefetiju.iblogger.org/matrimandir_auroville_architecture.pdfIn PDF document text
    • http://calipshatngaccs1.xyz/90347364495grg2z.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://konevimojo.epizy.com/catalogue_ikea_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/what_are_the_characteristics_of_the_stars.pdfIn PDF document text
    • https://s3.amazonaws.com/lowuwofuxali/balettan_molalledi_malayalam_song_free.pdfIn PDF document text
    • http://bomepexajusopa.epizy.com/punuj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/50ca6114-1a74-419c-bc8b-3dcd9ed499cf/guroreza.pdfIn PDF document text
    • https://s3.amazonaws.com/lopeteb/android_one_xiaomi_update.pdfIn PDF document text
    • http://nudobuz.rf.gd/masterbuilt_pro_series_electric_smoker_bluetooth.pdfIn PDF document text
    • http://fuguxudurod.rf.gd/hotel_night_audit_report_sample.pdfIn PDF document text
    • http://lulorabero.epizy.com/46016824549.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/69547803231.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/55cedbe4-e173-4fe6-8d7b-4e008fa3f386/2004_ford_focus_repair_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gavapozalilup/96182464700.pdfIn PDF document text
    • http://vexeger.rf.gd/btv_launcher_apk.pdfIn PDF document text
    • http://botasalipigu.epizy.com/gididinejiwexuvere.pdfIn PDF document text
    • http://sutawezazijarof.rf.gd/tizap.pdfIn PDF document text
    • http://feliruxitekul.epizy.com/balderson_cheese_individual_nutrition_information.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3582c099-7426-410f-81c3-127938010bd2/luxidanopaxuzodiko.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c02bf7fa-c29f-4cd0-a320-d2b83f727c64/58292359313.pdfIn PDF document text
    • http://medesawawolujim.epizy.com/lutixavotiv.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_off0000f2d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2D6 5084 bytes
SHA-256: 09b31eb8a941e7ad11d0527afd078e265349b680da800635028ab7a2728d7642
font_01_sfnt_off00010451.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10451 11388 bytes
SHA-256: 2c0ca3f8c2fd7147a044318873b4da612ebba6db3c7f0e1997e162c6c3c0d1d5

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