Malicious PDF — malware analysis report

Static analysis result for SHA-256 715c1c25a94b5571…

MALICIOUS

PDF

72.2 KB Created: 2021-02-02 11:56:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 82233bf8c003e003d22873e9098e854a SHA-1: c9892e8efe76a0da0d4b133898c94acb7fcaf41e SHA-256: 715c1c25a94b55711d88ec69daa60f329852701293a50c260c7b6e4ffa03c508
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains multiple embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains references to 'Kaabil full movie' and authoring application details, likely serving as a lure to entice users to click on the malicious links.

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/aws?utm_term=kaabil+full+movie PDF link annotation
    • http://afracheat6.xyz/11072668484xo58h.pdfIn PDF document text
    • https://vuzaruluweketex.weebly.com/uploads/1/3/4/4/134478477/xozona_mefakozoge_fodotelofivoxad.pdfIn PDF document text
    • http://milky-rp.space/virtuagirl_cracked_20156f7o4.pdfIn PDF document text
    • https://jerexibim.weebly.com/uploads/1/3/4/6/134654770/kutovutododikilok.pdfIn PDF document text
    • http://losinglotterynumbers.com/tilipuraxana7p5qo.pdfIn PDF document text
    • http://xojitufos.66ghz.com/jogewavirodevumiwukisola.pdfIn PDF document text
    • http://dimax-matrasy.ru/61404358077l0cse.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454990/normal_5fe6cf9134bf0.pdfIn PDF document text
    • https://lojefumelo.weebly.com/uploads/1/3/0/8/130814401/e8c0bb8307562.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://womopemi.epizy.com/47578043649.pdfIn PDF document text
    • http://bibalaluroxute.epizy.com/lift_your_head_weary_sinner_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/tujeviwakirawu/joyous_celebration_gospel_music_free_s.pdfIn PDF document text
    • http://pakatikik.epizy.com/jopokugosanepo.pdfIn PDF document text
    • https://s3.amazonaws.com/sikuva/jovutikudag.pdfIn PDF document text
    • https://s3.amazonaws.com/tufitijinexu/activity_report_compiler_apk.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 8

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_off0000dee6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEE6 4808 bytes
SHA-256: 083b2b8d6bbfb57e306a866310ddfb6008bcee779968dd3b7dd950b468642f08
font_01_sfnt_off0000ef48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF48 10864 bytes
SHA-256: f2d379956b484d461dd477680f7e1552eae1b2f56ff5e1e5dee4aef0adb9830c

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