Malicious PDF — malware analysis report

Static analysis result for SHA-256 106e95e34a548c9d…

MALICIOUS

PDF

43.2 KB Created: 2020-11-07 21:16:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-11
MD5: d3c2cb8a75bdef0630544055db978281 SHA-1: 86a4a20757d8efb299f246afb56b03ecd7906074 SHA-256: 106e95e34a548c9d4f05c18d7af9ade706346e0702698b957c7d5b3758064cae
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://trafficel.ru/aws?keyword=outlander+pdf+online PDF link annotation
    • https://nizakibete.weebly.com/uploads/1/3/4/3/134386075/jalepeluvivakave.pdfIn PDF document text
    • https://suzokixuvajix.weebly.com/uploads/1/3/0/7/130776208/sozatoxufu-nusimuke-fotezubo.pdfIn PDF document text
    • https://zusaneji.weebly.com/uploads/1/3/0/8/130813769/zipurivapajelagu.pdfIn PDF document text
    • https://wedebiki.weebly.com/uploads/1/3/0/9/130969436/721b1df73660f02.pdfIn PDF document text
    • https://kewidavarij.weebly.com/uploads/1/3/4/6/134696647/borifowukumulodurije.pdfIn PDF document text
    • https://jugurapofan.weebly.com/uploads/1/3/4/3/134339640/de767b607cb64f.pdfIn PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/4056517.pdfIn PDF document text
    • https://finazodaxuvoj.weebly.com/uploads/1/3/2/6/132682535/09be98978.pdfIn PDF document text
    • https://kilutiwoxit.weebly.com/uploads/1/3/1/6/131636983/tifawoxilekutikozi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://nozijofikudo.files.wordpress.com/2020/11/wajawubibavol.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d725d9a-b5c8-4034-83c0-4d863097e6d7/dabikife.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/10d4b071-a464-4bd7-a6b7-9ec2ea439947/weleno.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_off000066da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66DA 4884 bytes
SHA-256: 669b86a3d88af3e6f04218fd41d75789897cb5c4905ef8918c5095301b90d3a3
font_01_sfnt_off00007783.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7783 12128 bytes
SHA-256: 041409d8dec29c6c832a82385ad8802ca9672e49a4a84090758a7b71285188b4

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