PDF malware analysis — malicious · 00dc8df612531fdf

MALICIOUS

PDF

70.1 KB Created: 2021-01-17 09:52:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11

MD5: 350463110c5d9e3fa7c308efd1400318 SHA-1: 60ad1ee8cbfee6afc6af1243bfc18e5d738d7779 SHA-256: 00dc8df612531fdf9ca8babfce71c890b0d2d3620a25316460b3fd9b80242f67

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that, when clicked, likely leads to the download of a second-stage payload. The document body, though heavily obfuscated, contains text related to downloading a movie, which serves as a lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://trafficel.ru/123?utm_term=jack+reacher+2+full+movie+download+in+tamil PDF link annotation
- https://static.s123-cdn-static.com/uploads/4465701/normal_5fdd1c96a59fc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452621/normal_5fada2c3c6b6b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408462/normal_5fe852f155cc4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480387/normal_5fe46076f16ee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462980/normal_5fa44b423c9fa.pdfIn PDF document text
- https://site-1168244.mozfiles.com/files/1168244/bachelor_party_video_songs.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368991/normal_5fdb9ccc68f03.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/tojabixefova/bowling_green_state_university_request_information.pdfIn PDF document text
- https://s3.amazonaws.com/vekodupiwarobi/16093561957.pdfIn PDF document text
- https://s3.amazonaws.com/xujitezu/fourier_transform_infrared_spectroscopy_principle.pdfIn PDF document text
- https://s3.amazonaws.com/mutirexa/padoxuxakobav.pdfIn PDF document text
- https://s3.amazonaws.com/difigomisosak/datasheet_view_in_sharepoint_2016.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_off0000d1e9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD1E9	5420 bytes
SHA-256: `fe23ed0d9b12186e9b73f79d2b198c949a4eff90f74b737484056ccdf8f60d9f`
`font_01_sfnt_off0000e44f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE44F	11492 bytes
SHA-256: `b7bd27a85feb44f5220900f9f562db6325e8b85bcca3bb96dc3ce23f00791dc0`

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