Malicious PDF — malware analysis report

Static analysis result for SHA-256 6727c96f409013f6…

MALICIOUS

PDF

71.7 KB Created: 2021-03-20 21:52:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a560de79ba8a5ef76548edf8cd79cb6d SHA-1: 872e97b7bf01329b5e33508188849890192edf28 SHA-256: 6727c96f409013f67673e685f9d1bd4030152afcd6b88e803ede8885b2167add
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://fokemale.ru/wix?keyword=nevada+mo+high+school+basketball PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4423454/normal_5ff4b45ceb9d0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370071/normal_5ff7e64d41c29.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425784/normal_5fcb96e8e0d5c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478685/normal_602fcb4fbe999.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382793/normal_5fd37831d90f9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374535/normal_5fdec50f8fac8.pdfIn PDF document text
    • http://jelesanu.iblogger.org/caged_guitar_chords.pdfIn PDF document text
    • https://cdn.sqhk.co/menasimax/2gecjgO/vitub.pdfIn PDF document text
    • https://cdn.sqhk.co/vadezewe/guiihbR/power_rangers_super_jungle_fury.pdfIn PDF document text
    • https://cdn.sqhk.co/tinodifozeza/icFgijf/carrom_board_full_size.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4401558/normal_5fcaf30c290cc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421058/normal_5fdf629524ef5.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/retisovojor/sister_souljah_midnight_book_4.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/81560c6d-faa4-434f-a996-e621e6231795/divaxukaraxuxubopebe.pdfIn PDF document text
    • http://kabudevegal.epizy.com/wubedixogewemawogavaxoxid.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1111e64b-b0e2-4e6d-8ffc-b854b4088b9d/wowusitad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a782496e-1ffa-420b-a7c7-c73f498be369/stock_market_open_veterans_day_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c2d1079-ffcf-4026-8816-a42011a16a3e/74695074292.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/mikupa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df9ab284-0294-45d7-97dd-205d34abae6e/60990081234.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dbf9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBF9 5488 bytes
SHA-256: 49fca330aa0c16f3d1069902f46049f358d8e90dd08376f07c68e0a3b20abcd6
font_01_sfnt_off0000ee94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE94 10276 bytes
SHA-256: c7d84e04f1a031d336d3080bcdd06a3a8993590208b3ee9180b3654c334a1f0f

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