Malicious PDF — malware analysis report

Static analysis result for SHA-256 5facef271e07f146…

MALICIOUS

PDF

68.8 KB Created: 2021-02-17 16:24:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 2dc933662e461b661da409cfbae493f1 SHA-1: cdd36440a3d6a30ce43b1bf717bc35e9df54231c SHA-256: 5facef271e07f1467203f8976299aba8346e3fee2338bbba72d427081935321f
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, disguised as a search result. This URL is likely intended to lead the user to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

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://baarspo.ru/strik?utm_term=how+to+adjust+bass+on+vizio+sound+bar PDF link annotation
    • https://josozigigararu.weebly.com/uploads/1/3/2/6/132681886/nudanukizogitinix.pdfIn PDF document text
    • https://cdn.sqhk.co/relulapezele/c3jbgdB/med_7_urgent_care_sunrise_blvd.pdfIn PDF document text
    • https://pudoxarunisit.weebly.com/uploads/1/3/1/1/131164251/72d60e2cff.pdfIn PDF document text
    • http://potoborotagivud.22web.org/ubiquiti_unifi_uap-_ac-_lite_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/saboxiwago/chjjgid/reversibility_means_psychology.pdfIn PDF document text
    • https://funofumid.weebly.com/uploads/1/3/4/8/134886651/c4a22ce30a084.pdfIn PDF document text
    • https://cdn.sqhk.co/niramojiga/ihicVha/sage_the_gemini_wife.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/xakusineba/st_caste_list_in_bihar_2018.pdfIn PDF document text
    • http://xalolowoko.epizy.com/beyonce_jay_z_bonnie_and_clyde.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxulikiwab/ibm_cognos_report_studio_fundamentals_training.pdfIn PDF document text
    • http://wojodiguf.rf.gd/92400599.pdfIn PDF document text
    • http://romipozaxijida.rf.gd/43954712986.pdfIn PDF document text
    • http://matemot.epizy.com/fundal_height_measurements_nice_guidelines.pdfIn PDF document text
    • http://jovebaben.epizy.com/40567519854.pdfIn PDF document text
    • https://s3.amazonaws.com/juvuraguvutoxif/cyber_hunter_highly_compressed.pdfIn PDF document text
    • http://godutiliwaganos.rf.gd/jegejori.pdfIn PDF document text
    • https://s3.amazonaws.com/sitozi/heart_attack_blood_clot_formation.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_off0000d30b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD30B 5164 bytes
SHA-256: 326968bc5d8b859ddc9137ac94741acfb630801dd2a6c9ceed9d3c49cfa0622b
font_01_sfnt_off0000e4c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4C6 9812 bytes
SHA-256: 85061b08822e950987ebd5b02dc0a1b28191fb60cffdbc1f368029e37d6af292

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