PDF malware analysis — malicious · 786e7270e4cff3d3

MALICIOUS

PDF

73.9 KB Created: 2021-02-25 12:53:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04

MD5: 671d150be59a300f707504538bf3ad32 SHA-1: bb19467ad97db1d817493ccf1eb76053ecabc19f SHA-256: 786e7270e4cff3d39c0f8fe0c0d089a9da7628947c2277a3d50390e888fab14b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'maypoin.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, appears to be a lure related to "Della robbia ceramics history", suggesting a phishing or social engineering attack.

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://maypoin.ru/wix?keyword=della+robbia+ceramics+history PDF link annotation
- https://cdn.sqhk.co/xabovalizo/difgffm/gavazotaveval.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464070/normal_601b14024a4b4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380691/normal_5fcf971667a15.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500187/normal_603177b45ee7d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366325/normal_5ffe28c1ebe07.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367289/normal_5fe4c75ff00cb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443809/normal_60262b79928ea.pdfIn PDF document text
- https://cdn.sqhk.co/rizijuwet/ibpthhv/24064913456.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/tisegovofu/42491241421.pdfIn PDF document text
- https://s3.amazonaws.com/xonaxevetaf/bhojpuri_video_hd_bhakti.pdfIn PDF document text
- https://s3.amazonaws.com/kaxukok/gemasad.pdfIn PDF document text
- https://s3.amazonaws.com/jarirotexab/gajenuniduraj.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_off0000e6c7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE6C7	5280 bytes
SHA-256: `54d4f8b45d124fb41186f2d04f25f1a080c7ac4358a76033b0b158b381807847`
`font_01_sfnt_off0000f89e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF89E	10132 bytes
SHA-256: `440945a1dde0e9be0b9873e47e2fd26ae251c13c5b49d4a254787a111e5186a7`

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