PDF malware analysis — malicious · 474106342df2aaba

MALICIOUS

PDF

98.2 KB Created: 2021-03-03 05:26:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21

MD5: 30c0c16869919b03d8f56193183d082e SHA-1: ed4f6833d427d2c1514845eae318543be3016963 SHA-256: 474106342df2aababbedb4a6cddcc34ceaba1d6676036717232ac2d42edabb66

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 a suspicious domain, which is likely used to deliver a malicious payload or redirect the user to a phishing site. The document body's title, 'Salario dos delegados da policia federal', suggests a 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://botokaw.ru/123?utm_term=salario+dos+delegados+da+policia+federal PDF link annotation
- https://cdn.sqhk.co/pafatewodoju/geiegdV/combat_flight_simulator_2_windows_10_download.pdfIn PDF document text
- https://cdn.sqhk.co/xafukapewe/iiCLyfG/caller_id_block_calls_name_and_location_tracker.pdfIn PDF document text
- https://cdn.sqhk.co/busumodofu/dhg3ieQ/18639342835.pdfIn PDF document text
- http://lebizifijafaxim.medianewsonline.com/77710884260.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476445/normal_603e7d52df00d.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/fulazelof/66532335622.pdfIn PDF document text
- https://s3.amazonaws.com/jivagajamav/likibananuminupemal.pdfIn PDF document text
- https://s3.amazonaws.com/rezugekolaba/jodipijobumonupifuxeveki.pdfIn PDF document text
- https://s3.amazonaws.com/xazarujokemus/50853369255.pdfIn PDF document text
- https://s3.amazonaws.com/zuniverijesud/arraylist_to_json_string_android.pdfIn PDF document text
- https://s3.amazonaws.com/gifiz/56334404488.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_off00013d4d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13D4D	5424 bytes
SHA-256: `bc6e5aae6047ed9ba64a09acdfcb7b57dbbb927ec95600925098860a0d554a89`
`font_01_sfnt_off00014fd1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14FD1	13684 bytes
SHA-256: `5629bb24d1e62a7d8e7e9b5135f8802ec027220c6e18a03e17fd18337716273e`

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