Malicious PDF — malware analysis report

Static analysis result for SHA-256 19661a43d6ec3385…

MALICIOUS

PDF

85.2 KB Created: 2021-04-12 16:22:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: e1363c55f28f2a6f4ea6a25e1fff571a SHA-1: e3c033dcf4e3910a2977726a5fc6450e60f7aba0 SHA-256: 19661a43d6ec33855321d858ddb16b816faea8871b18b7569aaed689f84b0300
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 0.9996

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://pelibifir.ru/strik?utm_term=how+to+win+an+argument+funny PDF link annotation
    • http://mon-fortuneo.best/harbor_pilot_salary_floridasaiaf.pdfIn PDF document text
    • https://tewedarutomos.weebly.com/uploads/1/3/2/3/132302993/sufelirip_rojel_niwawibiluziw.pdfIn PDF document text
    • https://cdn.sqhk.co/sofizagumup/sic1hgs/millipede_arcade_game.pdfIn PDF document text
    • https://cdn.sqhk.co/sekigizakeku/UY9giI6/server_job_description_resume_example.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448094/normal_6057d1da8a79a.pdfIn PDF document text
    • http://smcjd.com/how_to_wind_bobbin_on_old_kenmore_sewing_machinezxhrn.pdfIn PDF document text
    • http://linza.media/xomaziparik172v.pdfIn PDF document text
    • https://wujipiledulom.weebly.com/uploads/1/3/4/6/134695719/822144.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369932/normal_603404d65afbb.pdfIn PDF document text
    • https://cdn.sqhk.co/wunasesev/jcieZDc/negin_mirsalehi_bf.pdfIn PDF document text
    • http://proba7.xyz/78982533626kikaa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457592/normal_5ff5bfb0e1905.pdfIn PDF document text
    • http://blog-millionaire.buzz/72616318983wotqs.pdfIn PDF document text
    • http://ig-about.net/sizibaxolo0nx4y.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/wuwabobujasivor/yamaha_mg24_14fx_review.pdfIn PDF document text
    • https://s3.amazonaws.com/lokijuronig/fox_sport_live_tv_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/keloxamojona.pdfIn PDF document text
    • https://s3.amazonaws.com/tojabixefova/vixojaj.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eeb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEB6 4916 bytes
SHA-256: eb218d48b68a881a49f4c836a0e51f5d96f5aa2301c45940278d16cfcc3b70de
font_01_sfnt_off0000ff6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF6C 10904 bytes
SHA-256: 896262ff136f3085f5536e80480e8b490eb131cfe2cfd86b3ed8740ef6e3a512
font_02_sfnt_off00012476.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12476 16132 bytes
SHA-256: 60f53b17f7925ac1818ac9336ea58fd206fea48872b5377b70e6fb8114080afd
font_03_sfnt_off00013969.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13969 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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