PDF malware analysis — malicious · 4434b93b61ffc61c

MALICIOUS

PDF

36.4 KB Created: 2020-11-06 19:47:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-11

MD5: 3f8c9ee660bee084dcc752fe275a711d SHA-1: 0292d6798c1d14a7d4de6be40def36086950f0fb SHA-256: 4434b93b61ffc61cd7a7c4a05bc356d957ab1402170ba1b10be21d43e4d5ac65

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=jetblue+flights+status+tracker PDF link annotation
- https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/punobinabesujodazufi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401703/normal_5f91e444b3216.pdfIn PDF document text
- https://mogunugive.weebly.com/uploads/1/3/4/3/134381007/raduvigumomakomujapu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387808/normal_5fa0281d989c7.pdfIn PDF document text
- https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/1342367.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382414/normal_5f9694b2306ea.pdfIn PDF document text
- https://zovijewef.weebly.com/uploads/1/3/4/4/134400079/5098316.pdfIn PDF document text
- https://laxuruvu.weebly.com/uploads/1/3/1/4/131482832/belav_xinoguva.pdfIn PDF document text
- https://buxiwizekekaxe.weebly.com/uploads/1/3/4/6/134662233/7813939.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/6222cd42-e764-4596-bbcf-1ecf5534d4d9/rafiwino.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed7cacb3-edd6-4616-9510-1f1d21012cac/zofugobesogig.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_off00004ebd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4EBD	5336 bytes
SHA-256: `d8973077b3b4521c7b44b80d311c9d75d1c409cb7b22ce2280e606039be081a3`
`font_01_sfnt_off000060e1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60E1	10708 bytes
SHA-256: `4b751c3f74ee7524ffa1bd49c3e48a99b5ce29b59f5d1923e8835c08ebf50e4f`

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