Malicious PDF — malware analysis report

Static analysis result for SHA-256 947be0790bd8c6bb…

MALICIOUS

PDF

59.1 KB Created: 2021-03-01 02:58:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 204f26f4c26865fa6327cd6c7517ebaa SHA-1: 92637b1bf8d754db5b1e817fb11b47a0ae014218 SHA-256: 947be0790bd8c6bbddc956d05e6a5a72e88a66132780e6716c1397f485cf8174
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9516

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://botokaw.ru/aws?utm_term=2016+form+1040+line+44+instructions PDF link annotation
    • https://cdn.sqhk.co/tobijoge/hcgdhjs/azamara_cruises_japan_2021.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450632/normal_5fd16e3ba1ea5.pdfIn PDF document text
    • https://cdn.sqhk.co/nupepewomaxu/aCjhifo/xukor.pdfIn PDF document text
    • https://cdn.sqhk.co/gozigawefo/chdmYjg/22190223644.pdfIn PDF document text
    • https://popiliguji.weebly.com/uploads/1/3/4/2/134265512/730022f7a92.pdfIn PDF document text
    • https://cdn.sqhk.co/gepeduvo/328hcS9/7digital_music_store_uk.pdfIn PDF document text
    • https://cdn.sqhk.co/xuluriwu/jhhidUj/54680267168.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378406/normal_603c35d84140a.pdfIn PDF document text
    • https://cdn.sqhk.co/dibitarebizu/kkjiRgd/25842828259.pdfIn PDF document text
    • https://cdn.sqhk.co/jufebarur/fjfhgjc/42183243635.pdfIn PDF document text
    • https://cdn.sqhk.co/dijabidasu/Cgghjgh/five_nights_at_freddy_s_2_song_chords.pdfIn PDF document text
    • https://cdn.sqhk.co/jefapukawore/POaeid6/86912060912.pdfIn PDF document text
    • https://cdn.sqhk.co/dedenijikal/ifhhViN/negalorunufutederu.pdfIn PDF document text
    • https://s3.amazonaws.com/bulikowexunepov/vanojiwigade.pdfIn PDF document text
    • https://s3.amazonaws.com/rezugekolaba/social_media_marketing_trends_ppt.pdfIn PDF document text
    • https://s3.amazonaws.com/nazekisigiduz/modinegegib.pdfIn PDF document text

Related samples 8

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

Full JSON: related samples API

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