PDF malware analysis — malicious · 8546198c9eb5c878

MALICIOUS

PDF

66.6 KB Created: 2020-12-22 14:47:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b7f8a4b581f7fadcd50c6d7fb455522a SHA-1: 7444ffeb2bc1d86834f5219793b796539b418b69 SHA-256: 8546198c9eb5c878f35a51651d71e0b6456328aedc438a4167d6ad318ab9a7f8

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that leads to a suspicious domain, identified by heuristics as potentially malicious and a phishing/trojan threat. The document body, though heavily obfuscated, contains text fragments like 'Report card geo news schedule' which suggest a social engineering lure. The presence of an external URI and ML classification further support its malicious nature.

Machine Learning

Nyx PDF Classifier malicious score 0.8278

Heuristics 3

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
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://traffset.ru/aws?utm_term=report+card+geo+news+schedule
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dufekifaral/35679636632.pdf
- https://static1.squarespace.com/static/5fc2aebbb8467722f1dfa14b/t/5fc3e33e9d7936484005640c/1606673214905/wezaduxebar.pdf
- https://s3.amazonaws.com/pizexopenaxu/ukulele_beginner_songs.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf0da72f8b574a0f22e1c/1606217946769/data_link_layer_protocols_mcq.pdf
- https://s3.amazonaws.com/wexoteluwag/bienestar_y_calidad_de_vida_laboral.pdf
- https://uploads.strikinglycdn.com/files/5a234349-a565-4b60-800d-c029a1c7d475/ambiguous_case_law_of_sines_worksheet.pdf
- https://s3.amazonaws.com/luborinizu/android_9_pie_image.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe01183f75b166439b9b0a/1606287640665/21716699146.pdf
- https://static1.squarespace.com/static/5fc55f712e537a05ef26dfac/t/5fc6c1fea038a451bcd6c1a0/1606861312322/wosidobunuvobunizeto.pdf
- https://static1.squarespace.com/static/5fc5dcbf16f6d44b07e099ec/t/5fcb2713da45e86cca9ed3d0/1607149336697/knife_sharpening_sound_wav.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf96864be903ae64002cf/1606220136844/brown_v_mississippi_brief.pdf
- https://s3.amazonaws.com/dibedamoka/mezanomovumefex.pdf
- https://s3.amazonaws.com/seriposuj/cisco_unified_attendant_console_standard.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f2fc.bin` `71b08f1df3a2f16ddf29cc69be72af8fbff1fad1b479ea3800e713285d9fc6e6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF2FC	5436 bytes

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