PDF malware analysis — malicious · 72b0660016668765

MALICIOUS

PDF

73.9 KB Created: 2021-04-26 10:08:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 95e5393b842980ce199581d3090f5a6e SHA-1: 01cf20fa943d0109ba5d69dcd3295d5067bc1b6c SHA-256: 72b0660016668765aef478693568d2392af55a1185f4e0c8008ad66b79ccb5a0

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that, when visited, likely leads to a phishing or malware distribution site. The document body, though heavily obfuscated, appears to be related to a search query, suggesting a pretext for the malicious link. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or trojan delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://soxebez.ru/strik?utm_term=what+is+icd+9+code+for+dementia
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/batoragubukepo/37313908156.pdf
- https://s3.amazonaws.com/futamo/what_degree_latitude_is_the_tropic_of_cancer.pdf
- https://s3.amazonaws.com/toguvaju/74205657188.pdf
- https://s3.amazonaws.com/zulezov/93761650446.pdf
- https://s3.amazonaws.com/daniwodug/mercruiser_4.3_mpi_service_kit.pdf
- https://s3.amazonaws.com/dafumuxitupav/act_practice_test.pdf
- https://s3.amazonaws.com/bezegoluzose/book_google_drive.pdf
- http://xabofaveretezu.rf.gd/north_little_rock_weather_report.pdf
- https://s3.amazonaws.com/guwutivupudutu/avg_free_2018_offline.pdf
- http://ferugasa.epizy.com/fanefojivuvoxofirek.pdf
- https://s3.amazonaws.com/xapijifas/saxoj.pdf
- https://s3.amazonaws.com/bawalidamovidud/movie_tv_app_windows_10.pdf
- https://s3.amazonaws.com/zupenafud/14999186631.pdf
- https://s3.amazonaws.com/dopugaxelelema/19330024778.pdf
- https://s3.amazonaws.com/dosalapasenow/venom_official_trailer_2.pdf
- https://s3.amazonaws.com/vinejivunitego/18123256421.pdf
- https://s3.amazonaws.com/wutisigila/buzofeduboluli.pdf
- https://s3.amazonaws.com/fovezewi/sawaduwirigufasozoz.pdf
- https://s3.amazonaws.com/dazifozixawus/netapulilimakalubugogi.pdf
- https://s3.amazonaws.com/nakuzafol/nexovasusabolasidebigu.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_off0000e4af.bin` `58f2a46edb83ff38610041dcdc44e191dc9e604c6dcd6a60df6bbe0a01fd799c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE4AF	5396 bytes
`font_01_sfnt_off0000f6ea.bin` `46ccc8bfd0992d3747e29fce0e81fcd36efcd787be52f0a4979779a7ba8c6f26`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF6EA	10416 bytes

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