PDF malware analysis — malicious · b1be95b75f8a081e

MALICIOUS

PDF

39.4 KB Created: 2020-11-08 19:39:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: f6128fc7b68fc82e3b8a2b939b84563d SHA-1: 79324b8bc11c531ab7b921e69982d594f860ced3 SHA-256: b1be95b75f8a081e2f08c49feff340c20072c3bd3b8de55f95e71f22ef97f33e

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=redeem+codes+for+clicker+heroes+2019 PDF link annotation
- https://bogemokized.weebly.com/uploads/1/3/4/3/134386998/8e7dcda3.pdfIn PDF document text
- https://zomujowedava.weebly.com/uploads/1/3/4/6/134629266/8d2281166.pdfIn PDF document text
- https://nugekepujipa.weebly.com/uploads/1/3/4/3/134318644/8276417.pdfIn PDF document text
- https://zoxamadafipezo.weebly.com/uploads/1/3/1/1/131164297/jojuxufoxal.pdfIn PDF document text
- https://watuwejaxor.weebly.com/uploads/1/3/4/4/134437052/634405.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jalekep.files.wordpress.com/2020/11/29751184955.pdfIn PDF document text
- https://s3.amazonaws.com/rekawexuretowo/eddie_christmas_vacation_sweater.pdfIn PDF document text
- https://forujutoko.files.wordpress.com/2020/11/157597504.pdfIn PDF document text
- https://s3.amazonaws.com/ginutu/chemistry_acids_and_bases_test_answers.pdfIn PDF document text
- https://s3.amazonaws.com/juvosi/infantry_pulse_team.pdfIn PDF document text
- https://gesitupar.files.wordpress.com/2020/11/unnamed-file.pdfIn PDF document text
- https://s3.amazonaws.com/bitajemisajoz/bagpipe_sheet_music.pdfIn PDF document text
- https://s3.amazonaws.com/wogikokuzotaxa/97135661089.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00005969.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5969	5604 bytes
SHA-256: `3e9c0c4945a87e450f27301b8dfe5be53078dc7dad70f1bf7c0e7fb49f5a12c4`
`font_01_sfnt_off00006c59.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C59	11688 bytes
SHA-256: `ece654ddeab91b9c1470ef0c83b413738a9893840bcc37e49b45b8c9fcb935a7`

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