Malicious PDF — malware analysis report

Static analysis result for SHA-256 469b8163bd8ad124…

MALICIOUS

PDF

73.4 KB Created: 2021-01-28 11:20:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 525258e0a59f74b90084a041c174a794 SHA-1: 0e86b6b77d341306efdfa621901d09b1b3bd83c5 SHA-256: 469b8163bd8ad124da639988bbae63908330f47047d9844db7b986c4c8d1e52f
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged by ClamAV as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site for phishing or scam purposes. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the presence of the embedded URI is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://trafffi.ru/wb?keyword=business%20ideas%202020%20philippines%20covid PDF link annotation
    • http://123dutch.com/lenovo_support_center_in_atlanta_georgiariz5d.pdfIn PDF document text
    • https://zugixipenelir.weebly.com/uploads/1/3/4/5/134591811/kikemoforudifotosuzo.pdfIn PDF document text
    • https://bipipabogudas.weebly.com/uploads/1/3/1/1/131164499/bogus.pdfIn PDF document text
    • http://veronaital.space/zombs_royale._io_unblocked_7684mhb.pdfIn PDF document text
    • http://krokoboko6.xyz/cube_z_pixel_zombies_pcswjms.pdfIn PDF document text
    • http://magazinrf.xyz/zegubulopiqav.pdfIn PDF document text
    • https://rudiduwusoxu.weebly.com/uploads/1/3/4/4/134445317/kezexesetegiwowok.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kunaraxanoxun.epizy.com/character_certificate_format_rajasthan.pdfIn PDF document text
    • https://s3.amazonaws.com/jipowumat/butterfly_knife_template_paper.pdfIn PDF document text
    • https://s3.amazonaws.com/varolexexus/36141684088.pdfIn PDF document text
    • https://s3.amazonaws.com/kovozenamofox/roboberinuguserakurejozar.pdfIn PDF document text
    • https://s3.amazonaws.com/tigewibejageju/sample_business_letter_proposal_format.pdfIn PDF document text
    • https://s3.amazonaws.com/wukara/ocean_animal_coloring_sheets.pdfIn PDF document text
    • http://divifafapinuk.rf.gd/zener_diode_datasheet_parameters.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/alien_vs_predator_capcom_free.pdfIn PDF document text
    • https://s3.amazonaws.com/juzinaramip/amazing_grace_chords_chris_tomlin.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_off0000e2b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2B7 5448 bytes
SHA-256: 45581a5c1ea02bae7397b99388fe0c586eddbb3443ea1ecbabd46435f003b2ff
font_01_sfnt_off0000f54c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF54C 10420 bytes
SHA-256: 4abe63b2cebc535c0e35fdfe2205d9126c5af48b9514aee1ccc9bd1ae6c24a58

Open this report in the interactive analyzer, or submit your own file for analysis.