PDF malware analysis — malicious · 59b7a106e85da41b

MALICIOUS

PDF

85.5 KB Created: 2021-03-14 01:05:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: faae638831bfbea7eda24b0307676341 SHA-1: 36bf24282a63d882e024eb5ac3a2b016f78ad5d4 SHA-256: 59b7a106e85da41b5dabe753f8c398f3aeffc1c672695d888d3607547c474805

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains multiple embedded URLs, with the primary one being 'https://nipisod.ru/wix?keyword=emerson+research+smartset+alarm+clock+manual'. The document body, though heavily obfuscated, suggests a lure related to an 'Emerson research smartset alarm clock manual'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution via the embedded links.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://nipisod.ru/wix?keyword=emerson+research+smartset+alarm+clock+manual
- https://zegekeli.weebly.com/uploads/1/3/4/6/134616407/d9b41035.pdf
- https://static.s123-cdn-static.com/uploads/4385230/normal_5fe45e5125a6e.pdf
- https://static.s123-cdn-static.com/uploads/4465263/normal_6000bd1b1a9fb.pdf
- https://wexubowepupewaw.weebly.com/uploads/1/3/1/8/131856394/7133453e3e8f.pdf
- https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/xegunak.pdf
- http://gabupexijek.22web.org/bilasubaturivirepelup.pdf
- https://cdn.sqhk.co/zifeduwa/NKgdev9/filipino_hashtag_wedding_generator.pdf
- http://bilapak.66ghz.com/chinese_visa_vancouver_application_form.pdf
- http://rte-ita.fun/9450543163ind2a.pdf
- http://edalovert.xyz/96562889979chehe.pdf
- http://airet.space/makexuvanipere2h5.pdf
- https://nakeripa.weebly.com/uploads/1/3/2/8/132814262/jutagop_votetug_gupexasutajadaf.pdf
- http://gesabagipo.22web.org/92969503637.pdf
- http://life-news.tech/wimiwefafed5w5h0.pdf
- https://cdn.sqhk.co/tejusukaxajo/cghPDP0/20142093845.pdf
- https://cdn-cms.f-static.net/uploads/4420230/normal_5fd11a7261bdf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://mevezexagugon.rf.gd/piboxude.pdf
- http://pogitijerilux.epizy.com/41900848766.pdf
- http://vutaxinasiva.epizy.com/counter_strike_source_zombie_escape_utorrent.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010ea6.bin` `e179d97c2109e0776c5487ff12f117eeb998ae0f3dc3e57d901c874f0e5ac99a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10EA6	5060 bytes
`font_01_sfnt_off00011fad.bin` `bd7523edbe40700d63c79cd3326c77be739db7e109150d4197cac0bd6768b92d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11FAD	12088 bytes

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