Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fad16d07f0f5acc…

MALICIOUS

PDF

75.5 KB Created: 2021-05-28 06:59:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 1533193f4b8df4d69c739daef0b04408 SHA-1: d772f02a98348a064353e454e31d76358a9613b1 SHA-256: 6fad16d07f0f5acc0d6bb01837ce846e4d562ffff6199da4066cfcb5b717504c
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a heuristic firing for an external URI pointing to 'gimoguvi.ru', which is likely a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://gimoguvi.ru/strik?utm_term=how+to+thread+the+singer+tradition+sewing+machine PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4390383/normal_600458f40b8bd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476782/normal_60295331be985.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366639/normal_5fd0e677a50d1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383804/normal_6042e00cdb1d9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485163/normal_5fdbf2cb7a593.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384152/normal_6047f935982f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459318/normal_601a67ce92332.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481665/normal_6058faf232dac.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/762543c6-eac9-4e9b-977e-dacb90280ea0/wivepukazirijopune.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f19081ae-9d44-4520-86aa-1373789245f1/deganosofoma.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7cd82d04-6c5e-427a-9676-02627fe4d9d2/2458639555.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0bb15c14-5fb0-4eb8-8173-3dfe63f628dd/verizon_fios_g1100_router_firmware_update.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1098b5a4-d58d-4b87-9b69-80deeb3d2f52/dululadamufe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6b719ef-0118-4c6e-88af-d851c9d991d3/54910476440.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/54d66dad-555f-4b9d-832b-c6ef3960c91c/puvabepipo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36e36135-6943-415e-aab2-c653bfa5629f/which_is_not_the_function_of_database_management_system_cs403.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/59500252-b2bc-47fa-aa8b-7e931aec46f2/kiketifaberokaxox.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1013341f-ad24-4372-931b-bbbaf9196ab0/vurawujilifesasil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60683757-702c-4967-8f83-85ba297a4a07/alto_flute_method_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8fbbc828-0873-43f6-9843-1f70a9a18dcf/bernina_830_price.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_off0000ea20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA20 5372 bytes
SHA-256: 8ffe708c77ac45b4023ad03db76a3e8f69c8c3dc64097605b9679f8453028904
font_01_sfnt_off0000fc4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC4B 10680 bytes
SHA-256: c22c61b1e3550b648387a0a19b65c4e18137c2c1eda12c052badf5a351d5d9a4

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