PDF malware analysis — malicious · 15e7ba96df32ea41

MALICIOUS

PDF

74.2 KB Created: 2021-02-05 06:41:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23

MD5: db027707d6366e2cd9f37e123335c72c SHA-1: 448613ac5dce6ea4feccee56e8030e735340e04a SHA-256: 15e7ba96df32ea41b0b1d9e800b4b02f1f17ed0830a37efee4b5b9c0b0b6da2b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URL disguised as a calendar design template. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded URL points to a suspicious domain, suggesting it's used to redirect the user to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/wb?keyword=tamil%20calendar%202019%20design%20template PDF link annotation
- https://static.s123-cdn-static.com/uploads/4501656/normal_5ffcf20f91dd2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401538/normal_6014629f19c6d.pdfIn PDF document text
- http://kpupnov.pro/sony_vegas_slideshow_templates_free_download6wc7d.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/wifiduxezo/7974686420.pdfIn PDF document text
- https://s3.amazonaws.com/didowugorokirug/sodapadelutuzonuxo.pdfIn PDF document text
- https://s3.amazonaws.com/jajuzasalikirut/81450832744.pdfIn PDF document text
- https://s3.amazonaws.com/sugowubuf/57157258883.pdfIn PDF document text
- https://s3.amazonaws.com/lixuduwonifa/90180927108.pdfIn PDF document text
- https://s3.amazonaws.com/pazovugal/bending_light_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/paropabaru/windows_xp_emulator_on_android.pdfIn PDF document text
- https://s3.amazonaws.com/pulavokaxe/tolomafasadim.pdfIn PDF document text
- https://s3.amazonaws.com/muvemasoxaji/adding_fractions_worksheet_5th_grade.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/canada_express_entry_sample_form.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_off0000e3c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE3C1	5824 bytes
SHA-256: `a073324c30841ade0c3d48e07c18477b7b9f4571dedbff686124bfcef89b2644`
`font_01_sfnt_off0000f776.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF776	10864 bytes
SHA-256: `d66f00e67a802650b0f2ae28019fba13c1bba378d0d402866b918788477f9924`

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