PDF malware analysis — malicious · 2629a77493972317

MALICIOUS

PDF

41.4 KB Created: 2020-11-07 20:26:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: b440e4dacb372f5a51ba55e42a94c9fb SHA-1: 9921cdda251795b30f1e7e21bdc5c1e9b0e402b4 SHA-256: 2629a77493972317ce25d36944937f35e9ef01c95c046bc850e426f6c0a716cd

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/123?keyword=why+was+the+lorax+banned PDF link annotation
- https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/2f2e24e5.pdfIn PDF document text
- https://tiruzezisuwef.weebly.com/uploads/1/3/4/4/134499189/gazamizila-zotojefiwos-najek.pdfIn PDF document text
- https://gogebuzavoriro.weebly.com/uploads/1/3/2/6/132681212/74be731a4.pdfIn PDF document text
- https://nozagovedenide.weebly.com/uploads/1/3/2/6/132682533/7930590.pdfIn PDF document text
- https://vemifibu.weebly.com/uploads/1/3/4/3/134354414/dixezajorisogorebu.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/mijedusovineti/dozunop.pdfIn PDF document text
- https://s3.amazonaws.com/vibuvomomuv/tolstoy_anna_karenina_trke.pdfIn PDF document text
- https://muziwikeg.files.wordpress.com/2020/11/abdullah_calan_indir.pdfIn PDF document text
- https://s3.amazonaws.com/mojivikapeti/xapk_to_apk.pdfIn PDF document text
- https://vadazigifexe.files.wordpress.com/2020/11/merozasopegujibe.pdfIn PDF document text
- https://s3.amazonaws.com/jotizifime/timevivunafuwelenexas.pdfIn PDF document text
- https://s3.amazonaws.com/dukajevo/25693601002.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/76224812-d2f0-4d0a-b472-24f82e6c9aa4/28217735701.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_off0000617e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x617E	5328 bytes
SHA-256: `5d557f11248e2a81dfa82a84b6da1eeaeffd9c5aed479e0b299ef7e88ee9441d`
`font_01_sfnt_off000073b2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x73B2	11248 bytes
SHA-256: `a35c00f476bdc937410a064fc32697130be18fdaa1171227d783068fdf829b47`

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