Malicious PDF — malware analysis report

Static analysis result for SHA-256 07e5e977cbd1b21b…

MALICIOUS

PDF

80.1 KB Created: 2021-06-03 18:39:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 7895d0f9657225f2fffdba0d40ac0913 SHA-1: eb1db551877b7216a71110b8811c3ad0891387a8 SHA-256: 07e5e977cbd1b21b7adbcf88ba6c5f67b1c31d28f1b3a6e0b188c44bde828026
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. The document body, though heavily obfuscated, contains text related to 'sims 4' and a URL that appears to be a search result, suggesting a lure. The presence of embedded URLs and the nature of the detection indicate a phishing attempt or a download mechanism for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://static.s123-cdn-static.com/uploads/4369928/normal_5fef38ed30f13.pdf In PDF document text
    • https://bojebunu.weebly.com/uploads/1/3/0/7/130775379/wanarezi_takoliriko_mobasotuwe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485165/normal_60052dcc388ba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419423/normal_600aed7410bd2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377902/normal_605215b4d9d9f.pdfIn PDF document text
    • https://xunatopek.weebly.com/uploads/1/3/2/7/132710497/5711559.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482617/normal_5fc93ede3e7a6.pdfIn PDF document text
    • https://tusezewepoxir.weebly.com/uploads/1/3/4/3/134339989/95207d.pdfIn PDF document text
    • https://zoboruzini.weebly.com/uploads/1/3/0/8/130813320/8910791.pdfIn PDF document text
    • https://nirixebuwema.weebly.com/uploads/1/3/5/9/135990662/63235f23f7b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376380/normal_60555c6f0f1a0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476268/normal_6007e3ee476e5.pdfIn PDF document text
    • https://koledino.weebly.com/uploads/1/3/4/3/134332835/budimapalugaritilot.pdfIn PDF document text
    • https://mozijazese.weebly.com/uploads/1/3/4/4/134460989/3c5fee01c32c6a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://feedproxy.google.com/~r/wb/ENAH/~3/dRGGkpkNhSI/wb?keyword=whatPDF link annotation
    • https://uploads.strikinglycdn.com/files/3665e6b9-b627-4a00-8dc6-61ab20f73c98/vurupovulopaxasidefoxanuf.pdfIn PDF document text
    • http://pukagij.pbworks.com/w/file/fetch/144560901/sesosunigowoj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1d7c70f-64a7-4c73-82b5-fb7c1a650e07/towidozi.pdfIn PDF document text
    • http://lugozamuxika.pbworks.com/f/37205160018.pdfIn PDF document text
    • http://sujagajo.pbworks.com/w/file/fetch/144496878/55563362092.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d552f2de-e4dc-48ba-a56d-be79364778ff/jabet.pdfIn PDF document text
    • http://tisowowuduwe.pbworks.com/w/file/fetch/144418989/easy_worship_guitar_chords_and_lyrics.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca0adf12-1101-41b1-8e7c-8955588729e8/harbor_breeze_saratoga_ii.pdfIn PDF document text
    • http://lakebimutep.pbworks.com/f/substrate_synonyms_and_antonyms.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_off0000fa73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA73 5496 bytes
SHA-256: a3c96ddaf278f87dbd1331e45e1682dafe0c33bc408b5e69e81c733114d27ad0
font_01_sfnt_off00010d14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D14 10620 bytes
SHA-256: d8f00a14896118f0dc531149a8e796ad63843a8fd6a34c698a94c57ca8115095

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