Malicious PDF — malware analysis report

Static analysis result for SHA-256 000f553ba1792d67…

MALICIOUS

PDF

83.9 KB Created: 2021-03-18 13:30:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 463867be4db8855fa6f532c7e55e5380 SHA-1: 6c02d6f3061f681cb0a73ba4121360f06b5de939 SHA-256: 000f553ba1792d671711385715b15b77dc7ae6d73ecc6018554a2e0408c238bf
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a URL associated with a "Wotlk druid leveling guide". The ML classifier and ClamAV detection strongly indicate maliciousness, likely a phishing or trojan delivery attempt. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to trick the user into navigating to a malicious site, which could then lead to further exploitation or payload download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://zajinet.ru/wix?keyword=wotlk+druid+leveling+guide PDF link annotation
    • https://cdn.sqhk.co/zapevexuvot/0Fiegiu/19421107399.pdfIn PDF document text
    • https://cdn.sqhk.co/mevazasid/hjzeLgh/canary_yellow_apple_watch_band.pdfIn PDF document text
    • https://cdn.sqhk.co/laxuweredex/ggTQ2wQ/84756587112.pdfIn PDF document text
    • https://cdn.sqhk.co/wuzufoxo/ghLEiev/repost_stories_for_instagram_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/bodorosuzuta/PhjlsV0/27663414314.pdfIn PDF document text
    • https://cdn.sqhk.co/kufagilan/Fhc93hc/prakash_defence_academy_haldwani_contact_number.pdfIn PDF document text
    • https://cdn.sqhk.co/waxipefimafa/gggfFij/putah_creek_fishing_report_2018.pdfIn PDF document text
    • https://cdn.sqhk.co/bijilixiger/hdhepNx/78082002658.pdfIn PDF document text
    • https://cdn.sqhk.co/bafebolabefo/v3hcge6/34603192699.pdfIn PDF document text
    • https://cdn.sqhk.co/fivukidado/hyDgh9Y/pipabumopubakij.pdfIn PDF document text
    • https://cdn.sqhk.co/betewulo/jajbypC/diaphysis_vs_epiphysis.pdfIn PDF document text
    • https://cdn.sqhk.co/pamavunawi/haojbih/fortnite_marshmello_skin_coloring_page.pdfIn PDF document text
    • https://cdn.sqhk.co/nedupugifuka/hjdgdia/halloween_makeup_mermaid_skull.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/savifin/28833413368.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/sufimelisakuzu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/960b7fe7-4863-4803-8995-04fa4ec36359/44440774200.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/penltima_fase_del_proceso_de_investigacin_cuantitativo.pdfIn PDF document text
    • https://s3.amazonaws.com/zufaxepixiguxax/browser_se_video_kaise_kare.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8558b3e2-c386-4203-9522-ee894b860a21/walmart_store_100_pharmacy_phone_number.pdfIn PDF document text
    • https://s3.amazonaws.com/tufitijinexu/kala_bazaar_full_movie_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/xijilesuzuxo/22974161437.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC19 4624 bytes
SHA-256: 3a4bff01f33fbddff14686a94a814b3e47fd04551d22002d7cbf12e4a0dc1e49
font_01_sfnt_off00010bee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BEE 11668 bytes
SHA-256: 94ffa0edbc7e18048bbab279252acc7a93c5470407f665d366cccea53f6a4cfd
font_02_sfnt_off000132da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x132DA 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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