Malicious PDF — malware analysis report

Static analysis result for SHA-256 182b0671e6c5f7b0…

MALICIOUS

PDF

69.6 KB Created: 2021-01-26 11:59:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: e9d6ef25f407e83db6e995d35748e401 SHA-1: 994b9dd9de94f871de7fdfa99e9d76b5cc3000d7 SHA-256: 182b0671e6c5f7b0c21daa85375d4b1da569dc319f40b0e1c61256ad50f76202
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://maypoin.ru/wb?keyword=on%20my%20own%20lyrics%20ross%20lynch%20traduction PDF link annotation
    • https://nepagezefo.weebly.com/uploads/1/3/4/4/134472827/4ea9032.pdfIn PDF document text
    • https://wowevabesal.weebly.com/uploads/1/3/5/3/135322278/xikuxopirife.pdfIn PDF document text
    • https://sarefipa.weebly.com/uploads/1/3/1/3/131398419/064718d.pdfIn PDF document text
    • https://muwewixobajigu.weebly.com/uploads/1/3/4/3/134312624/1963235.pdfIn PDF document text
    • https://fomoxejuj.weebly.com/uploads/1/3/4/0/134000143/vadoni_miwazapejesu.pdfIn PDF document text
    • https://gufuvixenize.weebly.com/uploads/1/3/5/3/135387571/soxubonerapeb_nixuzo_ledilomixowenod_zisekutokofoti.pdfIn PDF document text
    • https://jajijonag.weebly.com/uploads/1/3/4/7/134762104/sidilaxugir-faponupi.pdfIn PDF document text
    • https://fabebebu.weebly.com/uploads/1/3/2/7/132740756/gakotewilejalimuline.pdfIn PDF document text
    • https://zikixitifo.weebly.com/uploads/1/3/4/8/134897390/wowezu-fisotedaxuziw.pdfIn PDF document text
    • https://titezexi.weebly.com/uploads/1/3/4/6/134639754/7049032.pdfIn PDF document text
    • https://figuzenage.weebly.com/uploads/1/3/4/4/134472600/f9a08b68.pdfIn PDF document text
    • https://nodifolosorak.weebly.com/uploads/1/3/4/7/134758422/5103298bd7.pdfIn PDF document text
    • https://vasejafarobi.weebly.com/uploads/1/3/1/4/131454155/galafulonafaxiv.pdfIn PDF document text
    • https://lerasakob.weebly.com/uploads/1/3/2/6/132682990/208c23a66a9ad12.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/jozetej/35898679882.pdfIn PDF document text
    • https://s3.amazonaws.com/povodijirig/icloud_dns_bypass.pdfIn PDF document text
    • https://s3.amazonaws.com/bajuse/6800742948.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/buwimakubumuwewofozediweb.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_off0000d101.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD101 5400 bytes
SHA-256: 55d460bc5fb8987e70f6058d3eee7bd11651a22e9bcb3023bc4885cf78a302df
font_01_sfnt_off0000e343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE343 11516 bytes
SHA-256: b63677da0e6b96518d335c5fcc2695a2046851da734933e753a08b64b6baa3dd

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