Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fd34f406d7cb945…

MALICIOUS

PDF

75.3 KB Created: 2021-02-24 17:31:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: d52a94fa978936cdee2a6825f93bcc5b SHA-1: 7d72590058ae00ad712109e8fad092caae5b98c0 SHA-256: 9fd34f406d7cb945b9f812a86d5cee73affde42e9d632c46939497287ecb9c9b
96 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into clicking it for a phishing or malware download. The document body, though heavily obfuscated, appears to be a lure related to a search query.

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://seumenha.ru/strik?utm_term=what+do+lights+mean+on+ryobi+charger PDF link annotation
    • http://pawusofadezozep.22web.org/guideline_value_in_madurai_district.pdfIn PDF document text
    • http://mosebuzixat.mywebcommunity.org/zawujalixenow.pdfIn PDF document text
    • http://wanebori.22web.org/zubeberuji.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389603/normal_6004da55d6e76.pdfIn PDF document text
    • http://mefuxorimuba.22web.org/pobifutapakiza.pdfIn PDF document text
    • http://bovewitavivebu.getenjoyment.net/el_mundo_de_sofia_english_subtitles.pdfIn PDF document text
    • http://gojawufeki.getenjoyment.net/pamumumiriloriluwajapekum.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481157/normal_601db43a18207.pdfIn PDF document text
    • http://wownatural.fun/modern_age_smoke_shop_athens0iexn.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://biwevugiwuk.epizy.com/77661114832.pdfIn PDF document text
    • https://s3.amazonaws.com/gavobawum/wanisan.pdfIn PDF document text
    • http://pulutugorivexek.atwebpages.com/t_shirt_sewing_pattern_free_download.pdfIn PDF document text
    • http://lobopekogolo.onlinewebshop.net/demezinojaturafabu.pdfIn PDF document text
    • https://s3.amazonaws.com/firudegix/allergic_rhinitis_pediatric_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/donarepemi/josokavojuno.pdfIn PDF document text
    • https://s3.amazonaws.com/rebesudanolo/90288797746.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_off0000e868.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE868 5608 bytes
SHA-256: a3994bc5212c9e0df39d0ce98ebe7c1ca9d203d9cd0ad87382374b8db9359810
font_01_sfnt_off0000fb63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB63 10644 bytes
SHA-256: c2070eb9ef1ad9cabbfa610687764d785a5422dc8686ed26370e5e9c046ad16b

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