PDF malware analysis — malicious · 5a95d3b41206ac16

MALICIOUS

PDF

66.3 KB Created: 2021-02-18 09:47:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: a3c530ea552c801b80c3cf14ed6720f9 SHA-1: aa637551de36b8b73188632dc59b0062dcfb0ec3 SHA-256: 5a95d3b41206ac169ecf669a9111da20110bc0d5b6a57e6dd957c8c0d3056290

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://jottigo.ru/wix?keyword=pwga+phone+number PDF link annotation
- https://cdn.sqhk.co/wajerewuwer/7fsNifC/javodidupupuzodoxuna.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383680/normal_600ee71fecafa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451229/normal_601723e9b1d8d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368488/normal_5ffabee6ea4cc.pdfIn PDF document text
- https://cdn.sqhk.co/fasotaluvose/hIBPy5U/sozilakawegagamed.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381738/normal_602c97b522647.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/daraniwekamidir/song_mr_jatt_from_luka_chuppi.pdfIn PDF document text
- https://s3.amazonaws.com/tunenijexe/muzemifo.pdfIn PDF document text
- https://s3.amazonaws.com/zasepo/zorimotopujeviluda.pdfIn PDF document text
- https://s3.amazonaws.com/xisefowu/pitupominumukugukojo.pdfIn PDF document text
- https://s3.amazonaws.com/fekife/dezixavipimuzazabitu.pdfIn PDF document text
- https://s3.amazonaws.com/figugipopar/dbx_166xl_compressor_user_manual.pdfIn PDF document text
- https://s3.amazonaws.com/wupagivoz/solitaire_collection_for_windows_10.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_off0000c893.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC893	5256 bytes
SHA-256: `6938f6abd0f5a586a52fdfdeb895b6af4c1eee7139f8e67d8bcb05c0308d614f`
`font_01_sfnt_off0000da5f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDA5F	9976 bytes
SHA-256: `226fd414a86ea309eb412c598baaa9d0ee71c74a2f4a356b2d91363b083bb26e`

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