Malicious PDF — malware analysis report

Static analysis result for SHA-256 96514fa40edb7367…

MALICIOUS

PDF

69.6 KB Created: 2021-01-23 19:00:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: ba4c385292b7bc6740b4ebe54409c9a2 SHA-1: 8f0033c4d62d1cb109e3d6388008c42337f84a2e SHA-256: 96514fa40edb73672afa8375ad1f782a5ef7b5b1fd92ec376ed9b157c5c58564
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains an embedded URI pointing to a suspicious domain, likely intended to deliver a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a pretext of a 'non conformity report'. No scripts were extracted, but the presence of external URIs and the overall malicious verdict strongly indicate a phishing or malware delivery 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://traffnew.ru/aws?utm_term=non+conformity+report+definition PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4473963/normal_5fc5ad17cc197.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470218/normal_6006696732d77.pdfIn PDF document text
    • https://site-1168006.mozfiles.com/files/1168006/pin_genie_locker-_screen_lock_applock_apk_download.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384039/normal_5ffcb7a91ec3f.pdfIn PDF document text
    • https://cdn.sqhk.co/jiluputumusi/Iijhfnz/gradual_extinction_definition_biology.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379049/normal_5fccbc5aac5be.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393755/normal_5fc5a156df7a7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383929/normal_6004addb7f75d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366304/normal_5fc5b1b73ec97.pdfIn PDF document text
    • https://site-1177516.mozfiles.com/files/1177516/debudoramofuforit.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476273/normal_5fddd49a7dec9.pdfIn PDF document text
    • https://cdn.sqhk.co/siwosisagi/FURjcjc/snappy_tomato_pizza_menu_with_prices.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406812/normal_5fcf811c9c48f.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/libeganot/mejimawavozom.pdfIn PDF document text
    • https://s3.amazonaws.com/bogeguva/thermal_carafe_coffee_maker_consumer_reports.pdfIn PDF document text
    • https://s3.amazonaws.com/bogijexu/facebook_logo_font_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_off0000d604.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD604 4952 bytes
SHA-256: 1dcee332c2b6613f6af61988ce58be979376ac11e808b848e75cd2d513189c6e
font_01_sfnt_off0000e6dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6DC 10212 bytes
SHA-256: 1b1ccd503342b7d757d2e736a2bf62ed90193bd4013809c5b7f92059ca43867a

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