Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0d0b235175e8a8d…

MALICIOUS

PDF

62.4 KB Created: 2020-12-02 18:29:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 014cc9d82c34862efd3b77a32d8d201c SHA-1: d8eefdc56995f0690fa38769e38fad77777bc460 SHA-256: d0d0b235175e8a8df0345159e876dce13eff7d04c27b2b5124ce9a3b616564be
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://trafficel.ru/strik?utm_term=tabu+tattoo+magazine PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4403531/normal_5fa5c7eec3b34.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450517/normal_5fa4637c7bb54.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501229/normal_5fad255a7f379.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469828/normal_5faf72395d3c3.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/nonipesikiri/77910774703.pdfIn PDF document text
    • https://s3.amazonaws.com/radaruropivoje/bugbear_names_dnd.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/11bbbe6e-5984-4de6-9f4f-472b50b1f00a/staff_notation_for_guitar.pdfIn PDF document text
    • https://s3.amazonaws.com/resisuna/sample_inventory_sheet_excel.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf51f2e6d49a06bb889776/1606373875249/poleworaz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce033dc0-d073-45ec-bec0-a3141773e8e6/how_to_set_up_r4_card.pdfIn PDF document text
    • https://s3.amazonaws.com/buganabowumujef/jomimulobagutod.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e9e3bda9c57a97be47bf/t/5fc1480d3c02f22b9d3c4089/1606502418869/shareit_app_download_for_android_apk_old_version.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_off0000b7a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB7A5 4836 bytes
SHA-256: 8e77f802f29f7b6040418ddf8815d696ff6b11a1ce59504b95186dcbfd41a033
font_01_sfnt_off0000c817.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC817 10884 bytes
SHA-256: e3f3386ae5b0caf1c8bb25296ef2cddc2519e768245ea6b12368cf0d6ca12fd7

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