Malicious PDF — malware analysis report

Static analysis result for SHA-256 eca2324f28cb4eeb…

MALICIOUS

PDF

81.3 KB Created: 2021-02-24 23:53:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 5e59c63d8351078ae7f0b13699d8f9d4 SHA-1: 9a6a70ed48221eaac39b9a0eb9a5d8f3527e2ee8 SHA-256: eca2324f28cb4eebea5b0338d27cc10add1d07921f134d09406b7fe09b5836e4
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to 'prayer'. No scripts were extracted, but the presence of external URIs and the ML/ClamAV detections strongly indicate a phishing attempt.

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://leonvi.ru/123?utm_term=how+to+write+a+3rd+step+prayer PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4408485/normal_5fe54553bd4c6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409246/normal_5ffc0158a7708.pdfIn PDF document text
    • https://cdn.sqhk.co/bulixanejad/jdgdVge/tama_drum_set_price_in_nepal.pdfIn PDF document text
    • http://bivozebavi.iblogger.org/kanda_bongo_man_songs_free.pdfIn PDF document text
    • https://cdn.sqhk.co/pobumepova/gfiiVHv/strategic_advertising_management_5th_edition_ebook.pdfIn PDF document text
    • https://cdn.sqhk.co/tosobulig/mxv3gdv/gelezujifitetapeluka.pdfIn PDF document text
    • https://cdn.sqhk.co/tepikipo/ihrUbhi/28988449451.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366406/normal_5febfe4ae31ed.pdfIn PDF document text
    • https://cdn.sqhk.co/vagizabibo/gy3jKWJ/33929750477.pdfIn PDF document text
    • http://bepegut.iblogger.org/naxekuwuwebogosi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378831/normal_5ff45b558b11d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409246/normal_5ffdc3664b31e.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://s3.amazonaws.com/tabobujimo/73907225909.pdfIn PDF document text
    • https://s3.amazonaws.com/kasuwevovog/college_board_test_3_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/xazarujokemus/30186168141.pdfIn PDF document text
    • http://xifedesekelogu.epizy.com/borbaad_bengali_movie_hd_720p.pdfIn PDF document text
    • https://s3.amazonaws.com/dojonuta/fafabefese.pdfIn PDF document text
    • https://s3.amazonaws.com/makixibawumebol/glue_job_cloudformation_template.pdfIn PDF document text
    • http://momugegunimex.rf.gd/linksys_wrt54g2_v1_setup_wizard_download.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f5f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5F6 4920 bytes
SHA-256: ad24fe76e9c327b17b2b1127bd25c2fcde1c388385a00d620f449a9c12c5c387
font_01_sfnt_off000106db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106DB 10116 bytes
SHA-256: b8209bb27500d95cb1dde495ad258fd4cf1bc3c05a8dff9257f7b5098afc333e
font_02_sfnt_off0001298f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1298F 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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