Malicious PDF — malware analysis report

Static analysis result for SHA-256 63e176aa7277b85f…

MALICIOUS

PDF

76.8 KB Created: 2021-03-06 22:46:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 29a069eb043fbfbdb9e7ea35df376e2a SHA-1: 3b805390f11307fc4b3674800454e0651ffa67c9 SHA-256: 63e176aa7277b85f2d6cc6b9ba3b9ca5ebccca5c00f04fb2da8c3a72e218dabb
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 0.9997

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://kuzutuzo.ru/wix?keyword=rapid+cash+las+vegas+sahara+decatur PDF link annotation
    • http://idealicaitaly.site/790811152590pyuv.pdfIn PDF document text
    • http://bamefidev.mygamesonline.org/2011_chevy_traverse_headlight_bulb_part_number.pdfIn PDF document text
    • http://moreprodukti.com/skywalker_10_foot_trampoline_reviews99zdu.pdfIn PDF document text
    • http://businesslinecenter.com/90526382463akxdk.pdfIn PDF document text
    • http://fupemagis.mywebcommunity.org/huckleberry_finn_movie_cast_1993.pdfIn PDF document text
    • http://vykupavto54.ru/british_english_pronunciation_roadmapjhrp7.pdfIn PDF document text
    • http://fortysgjdk.fun/manenovelupasugobmap3n.pdfIn PDF document text
    • http://ag-management.space/poems_written_by_annie_johnson_flintswpcg.pdfIn PDF document text
    • http://jiwapadenejeza.getenjoyment.net/how_does_google_maps_traffic_data_work.pdfIn PDF document text
    • http://iminn.ru/27054029323z4isy.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/dekogamik/wavepad_with_crack_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6bc2edd6-ea62-449b-9d18-656883466594/how_to_check_dodge_dakota_transmission_fluid.pdfIn PDF document text
    • http://jitawidavez.atwebpages.com/properties_of_exponents_practice_algebra_1.pdfIn PDF document text
    • https://s3.amazonaws.com/pilazi/46454548771.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c1149444-a140-402c-873f-8d02e2cf1b28/32904875123.pdfIn PDF document text
    • http://wudazebej.atwebpages.com/advanced_composite_materials_for_aerospace_engineering.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/85b0769c-8e2b-4c81-8a5c-0f4ac100f4b2/7927740030.pdfIn PDF document text
    • https://s3.amazonaws.com/sesijesule/cambridge_pet_reading_part_5.pdfIn PDF document text
    • https://s3.amazonaws.com/didowugorokirug/69304134234.pdfIn PDF document text
    • https://s3.amazonaws.com/pulujolatepuv/zuwilelilegiwesijivevaz.pdfIn PDF document text
    • http://buzanuziti.myartsonline.com/xefibesi.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_off0000eec1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEC1 5404 bytes
SHA-256: 7b43271c2dce952f98efd576f9eabeede5db2da1bc519a76e204707f4f3df636
font_01_sfnt_off00010126.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10126 10848 bytes
SHA-256: b52bdd3f3c7f9c4f79307b77c670b73cd758114cd8e38a67cea63f8c9f7e4182

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