Malicious PDF — malware analysis report

Static analysis result for SHA-256 e34004bc0add5c45…

MALICIOUS

PDF

89.2 KB Created: 2021-05-18 03:04:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: c6ced235a8b9b202bebf74cede9507e2 SHA-1: 16c46654243e1dfb31290807d02f0d6fa2dde00b SHA-256: e34004bc0add5c45f7f7d562ed1df2db63e0764346133314c9be4c56ae10b18b
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 0.9994

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://seumenha.ru/strik?utm_term=can+ewan+the+sheep+be+washed PDF link annotation
    • http://wagisate.22web.org/pujimulatimi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4504568/normal_5fea2a6376363.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459060/normal_600f3d3f3f8af.pdfIn PDF document text
    • http://legugoboxebepe.22web.org/rudewodijuxifafozuriwofiv.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://uploads.strikinglycdn.com/files/dfb52ebf-1de3-4e25-849e-6231f72a79d3/44370859786.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1ae50e7-eb96-4280-803a-c36cda80bf8d/lejulanupupovoxaxepejafum.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/00f04020-65f6-48c7-aa09-3844b9bfc1ff/hull_options_futures_and_other_derivatives_10th_edition_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bc9d1a5e-33b7-4687-9677-52db247bd802/yoga_poses_for_constipation_and_bloating.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/27a61c23-b9c9-467c-a4cf-aea87f8c71c5/zonumanufed.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2d3d078-b598-428c-947d-d3a888b727b9/nibefubulabuwekus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/55b5aefa-7c48-489d-9aab-7beebaa1463b/32010931700.pdfIn PDF document text
    • http://puwomuf.rf.gd/gidipafotapu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06394692-a5fb-49dc-817b-a6d4b94c0836/ocr_biology_a_level_past_papers_2019.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eb95476b-b9b3-4396-a4a6-aa18d5e23a27/5_natural_resources_in_nigeria.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2b5d5922-6d34-4e53-9f3d-86c6aa603e2e/black_hawk_down_cast_tom_satterly.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/bionic_turtle_frm_part_1.pdfIn PDF document text
    • https://s3.amazonaws.com/wewiro/70105418277.pdfIn PDF document text
    • http://gikisomu.epizy.com/browser_for_windows_xp_sp2.pdfIn PDF document text
    • https://s3.amazonaws.com/legapatatezisa/buxesoxeku.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3221b25e-e270-4fcf-af44-9f11c42a1bd7/asus_xonar_dx_manuale.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/97d2be74-4775-4808-bb87-1e84c1d76b64/dell_optiplex_7010_sff_i5-3570_8gb.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC49 4804 bytes
SHA-256: efa0dc1c19d57de07c89fa6cac1d4cbc6e0be5f817155edc2134280420475f73
font_01_sfnt_off00010c99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C99 11588 bytes
SHA-256: 0e06e307fe1a3602db2fc27ea7ac0cad64c14c7a96b53a91f3eaaab095960d6d
font_02_sfnt_off00013421.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13421 16092 bytes
SHA-256: 9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2
font_03_sfnt_off000148e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x148E8 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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