PDF malware analysis — malicious · 8344e0d995e8c296

MALICIOUS

PDF

65.6 KB Created: 2021-02-28 16:21:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10

MD5: dc31c96d5a81a92f7b9f5ea8c93a78f1 SHA-1: fbdec901cd0bcc25dbf48f5d817ba5faaf93879a SHA-256: 8344e0d995e8c296fe5c0103c99559b3a7e0a3faa72498660177ce37bc69e5a4

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://soxebez.ru/award?keyword=fiddler+on+the+roof+watch+free PDF link annotation
- http://mklhhhh.space/nixanovoh3jmk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485301/normal_602e766c217af.pdfIn PDF document text
- http://kenugizi.getenjoyment.net/what_city_is_babylon_today.pdfIn PDF document text
- http://lomigakorak.getenjoyment.net/how_to_read_a_metric_architectural_scale_ruler.pdfIn PDF document text
- http://idealicaitalia-official.site/creed_two_parents_guide4hiig.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495694/normal_5fde1e80b3fbb.pdfIn PDF document text
- http://heleogose.online/bajanidogavomivanagikelix96tzt.pdfIn PDF document text
- https://cdn.sqhk.co/bugininaxi/z3ihvZy/6161369998.pdfIn PDF document text
- https://fozujivopaj.weebly.com/uploads/1/3/5/3/135303700/8674951.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fataragoreb.myartsonline.com/gurawexesuwusotefowis.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_off0000c58e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC58E	4980 bytes
SHA-256: `67ca51e953c6b5fcdfbd9a43cacd947448450f399f0027116abaec8e5474d9e6`
`font_01_sfnt_off0000d68d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD68D	10348 bytes
SHA-256: `d3ca6e08f5e349fe6994a0798681016dad6979c445b1d00dbf6ab396b44ddb5b`

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