Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2184ce338542cfb…

MALICIOUS

PDF

66.4 KB Created: 2021-03-31 01:24:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 716ce7a454d9e22b5356858a30129aab SHA-1: 9bced87d66dff7f87cdcb6240df96316bfc1dd0c SHA-256: f2184ce338542cfb67102636de76ed2a5351a0f8980eb2ac852705c13e552385
96 Risk Score

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://bologen.ru/wix?keyword=worksheet+classification+of+matter+fill+in+the+blanks+answers PDF link annotation
    • https://dipojujepu.weebly.com/uploads/1/3/4/5/134526160/rowigubored_siwixalowi.pdfIn PDF document text
    • https://cdn.sqhk.co/bikugipozamu/Xjc3YxC/flippant_meaning_in_malayalam.pdfIn PDF document text
    • https://jojipizi.weebly.com/uploads/1/3/1/6/131606457/bolipimijaraf.pdfIn PDF document text
    • http://sazinoz.mypressonline.com/62824714232.pdfIn PDF document text
    • http://zugapuvu.mywebcommunity.org/59776946999.pdfIn PDF document text
    • https://cdn.sqhk.co/libarazituw/XCAhche/40990681381.pdfIn PDF document text
    • https://cdn.sqhk.co/zisubiziwu/jfOvy41/ghsa_football_2020_covid.pdfIn PDF document text
    • https://suzagosezamonu.weebly.com/uploads/1/3/4/4/134446802/6891076701039d6.pdfIn PDF document text
    • https://nodirerivono.weebly.com/uploads/1/3/6/0/136052085/bevalibuzo.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/vuxagixil/how_to_use_a_portable_jump_starter.pdfIn PDF document text
    • https://e3c65705-3664-417e-97b1-2ac29bfab8bd.filesusr.com/ugd/6a5da5_ff2f5782121943bebca6964a0fd47e67.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/bokexizometun/geronimo_stilton_books_list.pdfIn PDF document text
    • https://f3c4034a-4a94-4c47-b6c5-0445626d7bf8.filesusr.com/ugd/655f09_f00168a4addf4717b4efa20493062b17.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/feliso/69893723765.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/how_long_cuisinart_ice_cream_maker.pdfIn PDF document text
    • https://aa3bb5c3-2bd4-4791-9e2a-6e31d5009b04.filesusr.com/ugd/60e703_f3289073b1ad4119b88ef85634958fcd.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/pekatikisuruki/24584706661.pdfIn PDF document text
    • https://19004eff-8f5e-45b0-b15a-9fbdbd99e39d.filesusr.com/ugd/578ea4_8cd5452846b0416982e33225d4a46ddb.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/bejokazemur/android_vs_apple_which_is_best.pdfIn PDF document text
    • https://s3.amazonaws.com/zupenafud/agriform_parmigiano_reggiano.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_off0000c6ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC6EF 5428 bytes
SHA-256: 91e9d30f516686dd9c6dfc831d4c4dd824a7d02bcdec5fcd9bef67e16ccaf425
font_01_sfnt_off0000d95a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD95A 10140 bytes
SHA-256: d88de228883c8572f661b4ecfe73ac1ae64cb11d5fbe474fa4ed4a035401091c

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