Malicious PDF — malware analysis report

Static analysis result for SHA-256 4747162b8420c926…

MALICIOUS

PDF

42.2 KB Created: 2020-11-09 14:22:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-11
MD5: 416f898c78e76b0cf17baf43401e2186 SHA-1: 3806343362bd43d06b6f0d5aaa184a01916aab12 SHA-256: 4747162b8420c926d94b81bd15196245cc27cdba4e2a7243bdd8707e29a4223e
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://traffset.ru/aws?keyword=castlevania+nes+instruction+manual PDF link annotation
    • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3532345.pdfIn PDF document text
    • https://favasebuwakule.weebly.com/uploads/1/3/4/3/134328846/7788003.pdfIn PDF document text
    • https://kupugaxome.weebly.com/uploads/1/3/0/9/130969415/8444287.pdfIn PDF document text
    • https://dojarugakafep.weebly.com/uploads/1/3/4/4/134471698/6298282.pdfIn PDF document text
    • https://letateworu.weebly.com/uploads/1/3/4/3/134365764/wotuvezitogu.pdfIn PDF document text
    • https://wofinomedek.weebly.com/uploads/1/3/4/1/134108675/jozexelofor-juvolasefa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/2d61e869-3265-48f8-9760-ffc9cdb53562/3670989163.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/92b4e9ee-6036-4649-9c4a-181b45b766bd/nodaway_valley_schools_ia.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4b7b4ec5-2005-4b97-9c24-9e0dadbd9f8b/runijebitom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5121c13a-257e-4aec-bdc7-1ac23355fa4a/way2sms_app_old_version.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9285d1f4-93f6-4020-84aa-a0dbc4219fd7/fepatozinedadif.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6871eb9-6d19-43e5-b55a-e0d2a8fe0190/wesuwev.pdfIn PDF document text
    • https://s3.amazonaws.com/vavale/in_today_s_contemporary_society.pdfIn PDF document text
    • https://s3.amazonaws.com/bidurudilidujug/nipozejamajixitusugo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/123b7e73-e06c-4b3a-9c4c-f68f15ca7472/mejofumaxosalizalex.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005995.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5995 4912 bytes
SHA-256: 460c1f07819eed0a7d015f7a3b37bed988347ad1f5970e7b0db2321713e6fc77
font_01_sfnt_off00006a34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A34 10452 bytes
SHA-256: 6c0b42e270bc413785b8cee4c011c9ec75dd455c15a9a587d314e52dbc9df8ab
font_02_sfnt_off00008ddb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DDB 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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