PDF malware analysis — malicious · ae049172ba897b13

MALICIOUS

PDF

66.4 KB Created: 2020-12-23 00:32:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: 78d891dbc25014a93a3c524dd1076d78 SHA-1: 7c2202e40a467761d918fc626acf0464cb0350b3 SHA-256: ae049172ba897b1386cb0d8d92e31fd4209eb1ae9b279b1c190439130c46c5ed

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 URL pointing to 'trafffi.ru' which is disguised with a 'clash of clans' lure, suggesting a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to trick users into visiting a compromised site.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://trafffi.ru/aws?utm_term=clash+of+clans+online+play+no PDF link annotation
- https://wapilumavazari.weebly.com/uploads/1/3/4/4/134446451/labudifu-nukikidivuvinum.pdfIn PDF document text
- https://barosowuni.weebly.com/uploads/1/3/1/3/131398377/jijenijilifili.pdfIn PDF document text
- https://bigonokefexix.weebly.com/uploads/1/3/4/5/134518339/5550558.pdfIn PDF document text
- https://robonodibogiva.weebly.com/uploads/1/3/4/6/134630072/e952f.pdfIn PDF document text
- https://disomigezet.weebly.com/uploads/1/3/4/2/134234605/kerokifakuw.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/viboxikuz/66159120587.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92f97a9c-0084-4d91-a16c-f7b9370e67cd/39325525017.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f634630-30f6-4dc3-a9a7-b6507a097c6b/56696056180.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/faa37f06-e0ca-49d0-82da-4fe73aecf5ba/pimazujosizafevoxo.pdfIn PDF document text
- https://s3.amazonaws.com/tesapibebujep/the_godfather_theme_violin_sheet_music.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_off0000c9af.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC9AF	5012 bytes
SHA-256: `8bfa0d10709d285cbe94f4c5c0a787da713a924febafa81d00703f5fd9606389`
`font_01_sfnt_off0000dac7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDAC7	10048 bytes
SHA-256: `3e4392132a4c31886c11318e5b326a587a170fb1049fea6564960439dc5af419`

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