Malicious PDF — malware analysis report

Static analysis result for SHA-256 34b76e3c882d26fd…

MALICIOUS

PDF

64.9 KB Created: 2020-12-18 18:34:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 539324dc4e680ae1d163e10a59d45ff9 SHA-1: de7a82111bcc929bd122e89299ba561400ab795a SHA-256: 34b76e3c882d26fdc7ac7b513b53782299ed89169ea94861b00a782bf4888409
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 0.9998

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://traffine.ru/123?utm_term=the+blood+still+works+meaning PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4408355/normal_5fbd22fdec31b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444102/normal_5fdac52adf41f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451205/normal_5fa4fa7c634f7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/704fbc59-adb4-4bc2-ae83-b2f666290609/79243360133.pdfIn PDF document text
    • https://s3.amazonaws.com/gagagakigibapo/xewizure.pdfIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/32326937534.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc34a14bda9c57a97cd8cb5/t/5fd1ab30b91f50015eeb25c9/1607576369563/stick_it_streaming_ita.pdfIn PDF document text
    • https://s3.amazonaws.com/kelukakeb/26347769504.pdfIn PDF document text
    • https://s3.amazonaws.com/sigobija/story_elements_worksheet_middle_school.pdfIn PDF document text
    • https://s3.amazonaws.com/bodepova/chemistry_lab_manual_class_12_download.pdfIn PDF document text
    • https://s3.amazonaws.com/jasipefulaxiduj/eye_spy_printable_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/mutirexa/baahubali_2_telugu_songs_starmusiq.pdfIn PDF document text
    • https://s3.amazonaws.com/nuruvapozixix/baazaar_2018_songs_ming.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b2ccef67-740b-4746-8a19-0a5cb17d99e0/32485904872.pdfIn PDF document text
    • https://s3.amazonaws.com/luxelula/vidmate_for_android_device.pdfIn PDF document text
    • https://s3.amazonaws.com/nawuvud/merriam_webster_dictionary_pro_apk_free.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_off0000c2e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2E7 5484 bytes
SHA-256: 498b55929b4060bf01df5de9af043bbe56ed5136cc6ebd0adf0970cb2916d52f
font_01_sfnt_off0000d568.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD568 9816 bytes
SHA-256: 6114d5af3eb1ebc0e469cd6e2489b15a57ee8dbffada073ad900ee64d4937d0a

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