Malicious PDF — malware analysis report

Static analysis result for SHA-256 e80184ab1d65b119…

MALICIOUS

PDF

77.3 KB Created: 2021-03-07 15:41:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 0cf4602f5421cc889d30a21c625da868 SHA-1: eb852d5728a542b8c2452f3dc1e9b0e074a136e2 SHA-256: e80184ab1d65b119115fbecb98ada1207ae45d659926d7f62a5001cbaf974cb1
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • 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://ponafet.ru/wix?keyword=vocabulary+graphic+organizers+for+english+language+learners PDF link annotation
    • http://nitapida.mywebcommunity.org/panasonic_combination_microwave_user_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/xuteposidobi/cbihmll/xesisodovuxegek.pdfIn PDF document text
    • http://levotavo.scienceontheweb.net/netulupixobeliti.pdfIn PDF document text
    • https://cdn.sqhk.co/kufagilan/RCijnhc/ohio_officer_shooting.pdfIn PDF document text
    • http://burivuvuju.medianewsonline.com/pekevoxebesulemilet.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://73e25548-3913-4bbb-aa69-a1b25f69568d.filesusr.com/ugd/cece23_7ef8ca220fad4b529bbdd56be6701e7c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/litunux/93454578242.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8abada8b-6efb-4356-8e03-42b83ba1af22/kodebifojuvojidavonida.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/19cf89a5-f317-425d-9527-7ffc972343cc/powugebigikasewepa.pdfIn PDF document text
    • https://s3.amazonaws.com/savifin/580_4gb_vs_970.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a077ddfe-3043-42d0-9c6b-994c818db5c8/69084541772.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/917df440-6f10-4b23-b074-605c210342f0/is_5_minute_crafts_legit.pdfIn PDF document text
    • https://17a6c5a8-0587-4adf-8126-5b439e15a62f.filesusr.com/ugd/54bec1_50c7e97e7f3b473fbfaf82c92f6adcf1.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/90d784da-f9c1-48f0-acc8-0b684a6b2484/sr_customer_service_manager_job_description.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee9f7866-da2b-4993-a0fc-0c310e8ee3fc/paxuxugodezepibojiwatawez.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 4

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_off0000ee4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE4B 5536 bytes
SHA-256: 3b66fdae3c8f890cbec666e2742b79555a51f1cf4ef12051950b9474b22c8521
font_01_sfnt_off0001012d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1012D 11636 bytes
SHA-256: 9add03108acbd67377fcf94e878ba13471f7859499e231349bca08f71b9442e2

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