Malicious PDF — malware analysis report

Static analysis result for SHA-256 9941795330624ac6…

MALICIOUS

PDF

75.5 KB Created: 2021-03-19 14:45:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: dfbcf0fe2d36e85bcd0d12ce636c79b3 SHA-1: b83a1a5f8948df8d2323ac3a5d1d3d876f90fe3f SHA-256: 9941795330624ac66c9315f82c492ebdc86a9bd58b7f216a750127d2a88cdac1
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 0.9998

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://pelibifir.ru/aws?utm_term=how+to+change+samsung+galaxy+tab+3+battery PDF link annotation
    • https://cdn.sqhk.co/pojimisuso/kvhebuS/smart_tv_cloud_storage.pdfIn PDF document text
    • https://cdn.sqhk.co/loberutebe/Giidqjj/i_live_you_play_he_lives_money_cheats.pdfIn PDF document text
    • http://216tilford.com/how_to_renew_ip_using_command_promptjz120.pdfIn PDF document text
    • http://ijmalan.xyz/vebelonufazeduguvikorolw056b.pdfIn PDF document text
    • https://cdn.sqhk.co/zuxolusufa/egihfih/57336506722.pdfIn PDF document text
    • https://cdn.sqhk.co/nuxarufodir/PrjbQml/tarewawekoneluwo.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/wutogugej/canon_vixia_hf_r82_camcorder_review.pdfIn PDF document text
    • https://s3.amazonaws.com/vazisi/jipinirisorefape.pdfIn PDF document text
    • https://s3.amazonaws.com/jivagajamav/rewikeze.pdfIn PDF document text
    • https://s3.amazonaws.com/fekife/language_arts_worksheets_grade_2.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/afc9b951-9055-4081-80d2-43bcb5f27d33/stanley_shop_vac_6_gallon_filter.pdfIn PDF document text
    • https://s3.amazonaws.com/fezenur/29051862193.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0b16ddab-a173-4b31-bef9-a5b95d24860c/p90x_workout_routine_schedule.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f604c6fc-2a49-4be3-80c1-ffbb40892bdf/feviledetelatibi.pdfIn PDF document text
    • https://s3.amazonaws.com/kujapomib/sopefegixab.pdfIn PDF document text
    • https://s3.amazonaws.com/jasadavebaga/electrolux_washer_reviews_consumer_reports.pdfIn PDF document text
    • https://s3.amazonaws.com/juvetaso/dotajapilekotulivadon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09ac090a-303b-4e77-b16d-7355fecfb7c7/17792072452.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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e6a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6A6 5740 bytes
SHA-256: d1ca462bc4a98cda8c0c4a129a6736acb71daaf46b60d9d68808c5bee39a278d
font_01_sfnt_off0000fa20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA20 11868 bytes
SHA-256: ee0e7e0f21429e33cec2c2aec7b1eda045e8c9c9d9e146ed11a339cee93edbf4

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