Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c1bce7127381d8f…

MALICIOUS

PDF

79.6 KB Created: 2021-03-30 07:29:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 18eb65dc8c94d427e7330191fb8e4fe7 SHA-1: 1a679d344ca5f819dd451ffba7443fbf47cc87e1 SHA-256: 3c1bce7127381d8faf0d10e25b263b23a43d472477516612cd1692f5d268bfd2
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 0.9994

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://bologen.ru/wix?keyword=parking+mania+online+unblocked PDF link annotation
    • https://cdn.sqhk.co/fowoleleda/7idiaja/xitov.pdfIn PDF document text
    • http://zoomita.space/sopamirewafepjkvp.pdfIn PDF document text
    • http://trysalon.xyz/what_is_soft_news_in_journalism5atzo.pdfIn PDF document text
    • http://nabozebujofomu.22web.org/parakefikalej.pdfIn PDF document text
    • https://wowumufugijakig.weebly.com/uploads/1/3/0/9/130969685/vemelaxopag.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409122/normal_6004462d3e550.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447915/normal_6012a8f473013.pdfIn PDF document text
    • https://cdn.sqhk.co/nebuneduzib/RKkpoQE/13194038934.pdfIn PDF document text
    • http://kolagiriwu.22web.org/assistive_touch_apk_2018.pdfIn PDF document text
    • https://cdn.sqhk.co/wanolugago/8Jjcjda/11145438689.pdfIn PDF document text
    • http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480173/normal_5ff9c87a10cd9.pdfIn PDF document text
    • https://xozugovapotup.weebly.com/uploads/1/3/1/1/131164024/6c723aa54.pdfIn PDF document text
    • https://pesowisigafu.weebly.com/uploads/1/3/0/7/130739627/judokilusuxu_nijativozo_sojulur.pdfIn PDF document text
    • https://narusipanunajix.weebly.com/uploads/1/3/1/0/131069819/34ee5dbe1e.pdfIn PDF document text
    • http://fdvsefwfrw.space/implementation_approaches_models_and_guidelines_for_planningcv9h9.pdfIn PDF document text
    • https://ludakugoru.weebly.com/uploads/1/3/4/6/134698973/kibuvumorivar.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/legapatatezisa/wordpress_user_registration_email_verification_without_plugin.pdfIn PDF document text
    • https://s3.amazonaws.com/ligole/dutilufimegeza.pdfIn PDF document text
    • https://s3.amazonaws.com/desekusoxi/hunter_xcore_sprinkler_manual.pdfIn PDF document text
    • http://verofibigo.epizy.com/mississippi_drivers_license_book.pdfIn PDF document text
    • https://s3.amazonaws.com/vuxagixil/viktor_frankl_quotes.pdfIn PDF document text
    • https://s3.amazonaws.com/bagokiko/taketawijowudulemumobado.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_off0000f9e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9E7 5284 bytes
SHA-256: 92b4b779439cb0d7c47473e012f6f0cd680a8fdc68891a4e28dc0aa43afb22a1
font_01_sfnt_off00010bcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BCD 10472 bytes
SHA-256: 7e5299bd5ff0a76ff9066c1ecf4d78485a778a14d65295e7a8c611b54c3a668c

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