PDF malware analysis — malicious · c34ae71ee0233630

MALICIOUS

PDF

173.3 KB Created: 2021-03-24 06:12:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4556440a38572b9c6f7917a2d26f3577 SHA-1: 9561b013c5a5f5c6343ce85210dac7cddc5fe1b5 SHA-256: c34ae71ee023363047bf0bd5e3681a81b7ac352ef60b1b2c8471bb650d77d0a1

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. An embedded URI points to a suspicious URL, likely intended to redirect the user to a phishing or malware distribution site. The document body contains garbled text, suggesting it may be obfuscated or contain embedded malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9994

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://pelibifir.ru/wix?keyword=qurb+shot+reviews+2018
- https://cdn.sqhk.co/nuxarufodir/jcijjeo/e_news_fashion_reporters.pdf
- https://cdn.sqhk.co/sipebililofo/jjs9KX2/zaxawub.pdf
- http://vixegoxufareka.getenjoyment.net/tipos_de_enlaces_quimicos_unam.pdf
- http://xufikefizot.sportsontheweb.net/courtyard_brand_standards.pdf
- https://cdn.sqhk.co/kuwusemob/CtgeAkE/xujugu.pdf
- https://cdn.sqhk.co/guludagew/HfienwU/32782602910.pdf
- https://cdn.sqhk.co/zusegekum/jbXSOji/free_homeschooling_resources_uk_ks2.pdf
- https://cdn.sqhk.co/timafewa/iemZghE/59324779110.pdf
- https://cdn.sqhk.co/xevowuto/UJjdc64/download_game_survival_heroes_moba_battle_royale.pdf
- http://leziwazedo.mypressonline.com/tajuz.pdf
- http://xubogiberigig.iblogger.org/nepipafivatebilavop.pdf
- http://jawunefuda.mygamesonline.org/30871376481.pdf
- http://rikaxepe.iblogger.org/onkyo_tx_nr636_watts_per_channel.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://baxewape.myartsonline.com/solezefebitawevori.pdf
- https://s3.amazonaws.com/fefurorobumi/25860314983.pdf
- https://s3.amazonaws.com/lukepepe/mens_lacoste_polo_shirt_size_guide.pdf
- http://riveminigokoxa.myartsonline.com/81770305161.pdf
- https://s3.amazonaws.com/gateme/descendants_3_night_falls.pdf
- http://pitikepaz.epizy.com/basal_body_temperature_chart_free.pdf
- http://xamipekuxedatif.rf.gd/cancer_de_colon_gpc.pdf
- http://wizigipixe.atwebpages.com/what_is_a_peoples_warden.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_off00026b66.bin` `8c55367552c2d9ac11dc7f299b0faed243d339ca0c0b78560bf9161186d67a25`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x26B66	5404 bytes
`font_01_sfnt_off00027de2.bin` `e0d0c67efa32a2e992870998c8c68795e661d8b40ee4a30f582310e88f4f4417`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x27DE2	11724 bytes

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