PDF malware analysis — malicious · e44e4bbfb6523f70

MALICIOUS

PDF

65.2 KB Created: 2021-02-25 20:21:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25

MD5: 961a4ef0a47cdabc0de0c8da800b0027 SHA-1: 1c945b5b54fd2db66a6b0dc3b727180063f03553 SHA-256: e44e4bbfb6523f70bed74322b28ee466da29abe9365c67fa9bce22fdfa613911

126 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://baarspo.ru/award?keyword=fluke+linkrunner+at+2000+charger PDF link annotation
- https://cdn.sqhk.co/navimoxa/jcE2whi/tagaxajim.pdfIn PDF document text
- http://nipokaxa.getenjoyment.net/acentuacion_palabras_agudas_graves_llanas_esdrujulas_sobreesdrujulas.pdfIn PDF document text
- https://rurinigumiza.weebly.com/uploads/1/3/5/3/135350695/mesigeminufiriv.pdfIn PDF document text
- https://kejobogufepemis.weebly.com/uploads/1/3/0/7/130775396/76d4d72.pdfIn PDF document text
- https://revafabeku.weebly.com/uploads/1/3/4/7/134708131/476784.pdfIn PDF document text
- http://osummer.space/6824593020421koh.pdfIn PDF document text
- http://cocobuka3.xyz/mandated_reporter_categoryx1l0f.pdfIn PDF document text
- https://cdn.sqhk.co/jebuxanit/jhgjlhj/nolebaladajipipivuku.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/varolexexus/86912503370.pdfIn PDF document text
- https://s3.amazonaws.com/firudegix/nanegelasibodadazenazo.pdfIn PDF document text
- https://s3.amazonaws.com/kezemiradigu/fluke_1507_datasheet.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_off0000c48e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC48E	5176 bytes
SHA-256: `84ee06b74ada84fbdc4e06a84e99a504d71d59f5cdf34670ab72ccd85478f260`
`font_01_sfnt_off0000d61f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD61F	9972 bytes
SHA-256: `7a0c696fcd5945c410d0c071976d2b7313e8498bdeae37f9acef44da704bd245`

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