Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3e56eabf2495366…

MALICIOUS

PDF

69.7 KB Created: 2021-02-07 20:00:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 3a3ad578b1be85cdef20cdd3190e34a5 SHA-1: 9d33333ccd7f526864bbd3ed40445f08c750618b SHA-256: f3e56eabf2495366ea4a7c3d1ced3e101b768534793a9314fad4456a66379a9f
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing attempt. The embedded URL points to a domain that is not confirmed benign, suggesting it is the primary lure. No scripts were extracted, but the PDF structure itself likely contains the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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/123?utm_term=arbys+nutrition+info+pdf PDF link annotation
    • https://sibujoxosuzeru.weebly.com/uploads/1/3/4/4/134499285/c6dd4614fbf9.pdfIn PDF document text
    • https://cdn.sqhk.co/sarafogu/rhgjcge/13013798855.pdfIn PDF document text
    • https://xizuxikeg.weebly.com/uploads/1/3/0/7/130740292/konaderimususimo.pdfIn PDF document text
    • https://cdn.sqhk.co/balapakufogo/gfjVjhT/21783653357.pdfIn PDF document text
    • https://zewemoledomuro.weebly.com/uploads/1/3/4/7/134746436/loxonebinagami_fozuxogovofi_sugig_rabixato.pdfIn PDF document text
    • https://cdn.sqhk.co/rizavoxaje/DhhbgcT/apply_preset_to_multiple_images_lightroom_cc_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/xuzalolotagi/yieCKij/pewokekexaragerixodimuku.pdfIn PDF document text
    • http://fufodew.22web.org/sql_server_2016_full_crack.pdfIn PDF document text
    • https://gitexapovaje.weebly.com/uploads/1/3/4/4/134464395/fe5c64.pdfIn PDF document text
    • https://cdn.sqhk.co/talexadu/atjgtcv/76067831125.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/gazijewevan/77990034513.pdfIn PDF document text
    • https://s3.amazonaws.com/mesixadelomomo/high_lonesome_100_race_report.pdfIn PDF document text
    • https://s3.amazonaws.com/jitimesolagun/14822147389.pdfIn PDF document text
    • http://dinopug.epizy.com/96390633699.pdfIn PDF document text
    • http://rulumagevamed.epizy.com/vupiv.pdfIn PDF document text
    • http://xikebivulusures.rf.gd/56816154818.pdfIn PDF document text
    • http://xuraxanab.epizy.com/lokijikimado.pdfIn PDF document text
    • https://s3.amazonaws.com/zozofufulolig/corporate_stationery_mockups_free.pdfIn PDF document text
    • http://muwalolerede.epizy.com/rpg_game_maker.pdfIn PDF document text
    • http://bavubuseji.epizy.com/bitmap_format_description.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_off0000d43b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD43B 5024 bytes
SHA-256: 8c7d67aa8415e0a6d79c01e8f93d749fb39aeec7f38e71c4b00932f884c7294a
font_01_sfnt_off0000e567.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE567 10712 bytes
SHA-256: e03f87b055c83a66e1e809d2ea5260c4a4beebb299fd60a261c3aff8b487cc5e

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