Malicious PDF — malware analysis report

Static analysis result for SHA-256 202e3eaa693aa993…

MALICIOUS

PDF

47.9 KB Created: 2020-11-09 15:45:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-03-01
MD5: 4d438784f0c7527f105e56f336453416 SHA-1: e75343c66e7280f4288b1d11cfce6d379814e1ce SHA-256: 202e3eaa693aa99383be692fcf97a321484e399581cba91e1a23fd96dd54309e
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://trafffi.ru/123?keyword=bst+dongle+driver+win+10 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4367674/normal_5f87608a5c958.pdfIn PDF document text
    • https://terogoke.weebly.com/uploads/1/3/4/5/134587715/vududovis_golemola.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369766/normal_5f926b482cad6.pdfIn PDF document text
    • https://devuzagobeli.weebly.com/uploads/1/3/4/4/134431767/47186d89bd4044.pdfIn PDF document text
    • https://pobanebutu.weebly.com/uploads/1/3/4/5/134592169/bulisotipe.pdfIn PDF document text
    • https://dopuxaponaxu.weebly.com/uploads/1/3/2/6/132695391/kamaw-berutotiw.pdfIn PDF document text
    • https://vapaniwagivu.weebly.com/uploads/1/3/4/4/134442769/9436176.pdfIn PDF document text
    • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/kezolivu.pdfIn PDF document text
    • https://sevenunoxesu.weebly.com/uploads/1/3/4/3/134341304/2953045.pdfIn PDF document text
    • https://meboguvogo.weebly.com/uploads/1/3/1/4/131437667/lisibojuk.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/pibabopuduj/85589905191.pdfIn PDF document text
    • https://s3.amazonaws.com/zufaxepixiguxax/icme_2020_host_place.pdfIn PDF document text
    • https://s3.amazonaws.com/xakapudakadu/66763357345.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006601.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6601 5176 bytes
SHA-256: a80cf1cc673f2b593af0a585187acdc54599ce632584f062392d7b8bc433cd0e
font_01_sfnt_off000077d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77D0 11532 bytes
SHA-256: a7ad31698a1abcce120934fb12f6fe53d6af02521b1f80a32616036431a90d6a
font_02_sfnt_off00009daf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DAF 16160 bytes
SHA-256: 71fec8a3adfe41455811528c654ef740a0d97889ddd19e39e153b04b7507b7f0