Malicious PDF — malware analysis report

Static analysis result for SHA-256 d69516227cbc4325…

MALICIOUS

PDF

75.1 KB Created: 2021-03-23 00:53:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: d92a09c21738bf5b3b0b2841a40c565e SHA-1: b25b460f92468a0233cf643ca2972d8ef0723ed6 SHA-256: d69516227cbc432543b475a46a3c193d0cbb7b102e68e0d820e63fc98a9200f5
136 Risk Score

Malware Insights

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

The PDF contains a lure about a 'mira shower' issue, which is highly suspicious given the document's metadata indicating it was generated by wkhtmltopdf. Heuristics indicate the presence of an external URI and an SEO redirector link, specifically pointing to 'https://jacksth.ru/strik?utm_term=why+won%2527t+my+mira+shower+turn+on'. This suggests a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://jacksth.ru/strik?utm_term=why+won%2527t+my+mira+shower+turn+on PDF link annotation
    • http://itactical.xyz/msts_addons_free4mj6i.pdfIn PDF document text
    • http://tersq.space/79854277524cdryc.pdfIn PDF document text
    • http://sedouche.xyz/supreme_court_amicus_brief_formatzxcff.pdfIn PDF document text
    • https://cdn.sqhk.co/raninogozo/eiiZja1/wuvodazi.pdfIn PDF document text
    • https://cdn.sqhk.co/rasepotobami/Gjfihhc/dogfighter_ww2_ps4_free.pdfIn PDF document text
    • http://carbags.site/how_to_invest_in_business_startupsymy9h.pdfIn PDF document text
    • http://itayoga.space/job_application_letter_sample_in_nigeriaqf34l.pdfIn PDF document text
    • https://cdn.sqhk.co/navififoro/hdmhgQ2/45830971162.pdfIn PDF document text
    • http://ses-paypal.com/63931188490mtevl.pdfIn PDF document text
    • https://cdn.sqhk.co/baxemazisod/ihdjijd/adventure_capitalist_unblocked_hacked.pdfIn PDF document text
    • http://ig-mediateam.net/916204822827kaoo.pdfIn PDF document text
    • http://remontnatali.ru/51147644388a6hsq.pdfIn PDF document text
    • https://cdn.sqhk.co/vipabure/ghgeUuD/forajixopukonumefi.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/sigobija/64021264962.pdfIn PDF document text
    • https://s3.amazonaws.com/vibuvomomuv/bildungsroman_definition.pdfIn PDF document text
    • https://s3.amazonaws.com/kuboki/avital_remote_setup.pdfIn PDF document text
    • https://s3.amazonaws.com/xomepixo/que_es_soar_q_se_caen_los_dientes.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/zegir.pdfIn PDF document text
    • https://s3.amazonaws.com/polexebuj/tojisoximurukudifazafu.pdfIn PDF document text
    • https://s3.amazonaws.com/vuxagixil/luper.pdfIn PDF document text
    • https://s3.amazonaws.com/dewazewokib/vidas_secas_baixar.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

Related samples 5

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e8ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8AD 5136 bytes
SHA-256: 538e10de651baba8fb0447a1b76a2bc0a11357e7668a803fc6c448c031aea027
font_01_sfnt_off0000fa17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA17 10932 bytes
SHA-256: d5a317611c69de11816ea63a599e71ad82930fb1b93a93e2e0be1f40f6bce1d5

Open this report in the interactive analyzer, or submit your own file for analysis.