PDF malware analysis — malicious · 7a6836f3ddc0d16a

MALICIOUS

PDF

73.1 KB Created: 2021-02-23 09:14:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: 13b79db1f1c9f14f7c59740e4a29b7e6 SHA-1: 5c6fbe918651282ab3279de1fe615b70ac478475 SHA-256: 7a6836f3ddc0d16a21971c2eb2992ee17ccadce4c60f1f275cb7fae8b87d4142

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ClamAV and an ML classifier, with a high risk score. It contains an embedded URI pointing to a suspicious URL, disguised with text related to Quran downloads. This suggests a phishing or malware distribution attempt, likely using a social engineering lure to trick users into clicking the link.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://leonvi.ru/strik?utm_term=download+al+quran+dari+juz+1+sampai+30 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4425723/normal_600598f84034a.pdfIn PDF document text
- http://gemajesubon.22web.org/contoh_pertanyaan_google_form.pdfIn PDF document text
- https://cdn.sqhk.co/goluxewimabu/igayjjZ/valeno.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425217/normal_60348c792a3ff.pdfIn PDF document text
- https://cdn.sqhk.co/sizozizaj/jaOJgd8/carrom_board_game_download_free_for_pc.pdfIn PDF document text
- https://cdn.sqhk.co/botonerepap/jhhayhg/greek_warriors_castle_defence_apk.pdfIn PDF document text
- https://cdn.sqhk.co/nujidegowupi/SqjeJhc/boo_boo_bunny_pattern.pdfIn PDF document text
- https://cdn.sqhk.co/fogobewataja/hj8hjhj/idle_human_app_female.pdfIn PDF document text
- http://idealicaitalia.website/66696174832b8vnd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456372/normal_601714b23cc15.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4503279/normal_601064b5d6508.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375704/normal_5fe4545279460.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000dfc2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFC2	5808 bytes
SHA-256: `8bc645cbc5fb8a848592b912707460315235f271d9eafcfcf0b28ea60cd123a5`
`font_01_sfnt_off0000f38d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF38D	10484 bytes
SHA-256: `c6595d255626bea1d2381371be8f14b0c30919a55653b2372807fd2a6e0309cb`

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