Malicious PDF — malware analysis report

Static analysis result for SHA-256 df79432162d41b9b…

MALICIOUS

PDF

83.1 KB Created: 2021-03-08 01:42:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 9dbf93093d414f299b49ea9188c1ca63 SHA-1: ced3469fdcd29795e63c05c09ba0567b5e262517 SHA-256: df79432162d41b9b1f1aa26ec7d41785691b6a7d5d42d21040aa955e64e83070
96 Risk Score

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-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://resalured.ru/strik?utm_term=how+long+to+steam+broccoli+in+a+steamer PDF link annotation
    • http://tuderoba.getenjoyment.net/31982920511.pdfIn PDF document text
    • http://kudikadip.getenjoyment.net/62311679171.pdfIn PDF document text
    • http://cabinetshub.xyz/nogomoxigdwez.pdfIn PDF document text
    • http://mizebojusur.mypressonline.com/gunixuketonelaxasuxanobuk.pdfIn PDF document text
    • https://cdn.sqhk.co/jojojidatun/aNFMMy9/56561743442.pdfIn PDF document text
    • http://instacopyrightcenter.com/how_to_test_orbit_sprinkler_systemir6s7.pdfIn PDF document text
    • http://kkkirrreeee.space/idate_commission_reportr9k8l.pdfIn PDF document text
    • https://cdn.sqhk.co/lebexuzo/wfxskij/mopogolimadodelururu.pdfIn PDF document text
    • http://notdull-eng.online/956100164706mmt7.pdfIn PDF document text
    • http://palikexifumalam.mywebcommunity.org/giredi.pdfIn PDF document text
    • https://cdn.sqhk.co/desogepupema/gggcjae/best_breakup_book.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/kelageketisefuv/51053095546.pdfIn PDF document text
    • http://rorolavosi.rf.gd/fsae_cost_report_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/jebokizez/ferukawefosipul.pdfIn PDF document text
    • http://lulanikigog.epizy.com/queen_bed_fitted_sheet_target.pdfIn PDF document text
    • http://xerekexaxo.epizy.com/workout_program_templates.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/free_living_will_template_alabama.pdfIn PDF document text
    • https://s3.amazonaws.com/nuruvapozixix/42915816451.pdfIn PDF document text
    • http://fodabobaxuti.epizy.com/filovebuleneborakowadu.pdfIn PDF document text
    • http://nasewuji.epizy.com/kafidokalexikodakawi.pdfIn PDF document text
    • https://s3.amazonaws.com/rejiner/death_after_life.pdfIn PDF document text
    • https://s3.amazonaws.com/fukezavazuj/gupanogijonugoluned.pdfIn PDF document text
    • https://s3.amazonaws.com/gixawetopoli/kesikuwobepefo.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ef81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF81 5312 bytes
SHA-256: e4b16ad51d26f51efee77300ebf414373f4be268782596433ffaf5862266f84a
font_01_sfnt_off00010192.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10192 11468 bytes
SHA-256: 46384a5dfd61f50627f52af1dbcd61246af5def8b074bddbbc27e233aeef174c
font_02_sfnt_off000128d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x128D2 16376 bytes
SHA-256: bc7e3f6831be34686de02ce7be2a06b9f1fa2b1a298201cd6e3dc3baf4672bf7

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