PDF malware analysis — malicious · 0e3fdc5aaad54893

MALICIOUS

PDF

76.1 KB Created: 2021-02-28 18:14:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 55cdfb321e7e378d02380449c6378bb4 SHA-1: 77abeba4b26e49047d77440df724061671b52fc5 SHA-256: 0e3fdc5aaad5489311c008582af7a8b2ea2973b54eff2f861097d94aee4fa93b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'soxebez.ru', which is a strong indicator of phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content.

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://soxebez.ru/123?utm_term=what+are+thinking+strategies+in+reading
- https://cdn-cms.f-static.net/uploads/4476140/normal_601d8c75274db.pdf
- http://ligugiban.scienceontheweb.net/disujisipobonubeb.pdf
- https://static.s123-cdn-static.com/uploads/4387037/normal_5ff3459808063.pdf
- https://static.s123-cdn-static.com/uploads/4451752/normal_5ff2bd3b33096.pdf
- http://xelibirujegid.mywebcommunity.org/24057866131.pdf
- http://vasakuso.sportsontheweb.net/how_to_learn_woodworking_skills.pdf
- https://nubipudovolena.weebly.com/uploads/1/3/4/0/134012318/33515.pdf
- http://mubokugezop.22web.org/lord_of_the_flies_meaningful_quotes.pdf
- https://cdn-cms.f-static.net/uploads/4401989/normal_60342cc81c31d.pdf
- http://forovasax.medianewsonline.com/wazib.pdf
- https://zikotidule.weebly.com/uploads/1/3/4/6/134604350/3946743.pdf
- http://tepoparupomo.medianewsonline.com/mesa_boogie_triple_rectifier_150-watt_tube_head.pdf
- http://kekijojovif.sportsontheweb.net/96029752061.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fixedarutagovun.rf.gd/95888329980.pdf
- http://zevusup.atwebpages.com/dujuvubosadatokasag.pdf
- http://daxevetefixidaj.epizy.com/sudisibupovepafuritijolu.pdf
- http://tososite.onlinewebshop.net/wutoraxonevavi.pdf
- http://gutekuretejapoj.onlinewebshop.net/pipam.pdf
- http://gozenabuzixi.onlinewebshop.net/37522998757.pdf
- http://tujefozumuresul.epizy.com/college_board_ssd_coordinator_manual.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_off0000ebd2.bin` `c898d41543a526c9ba1e13e220316328255c68802caa3c3bae262d4366144cac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEBD2	5132 bytes
`font_01_sfnt_off0000fd4f.bin` `84730be52290d9549bc9c7e587e6d585d4417ba89a5b6b1bf69f7877b0825831`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD4F	11072 bytes

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