PDF malware analysis — malicious · 97dae138dbfa0c93

MALICIOUS

PDF

71.6 KB Created: 2021-02-23 00:20:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: 2253e6af2e14b78ffe3925ca703b9d7a SHA-1: 56ffc268799dbc6f25c88c2bdf84dbb0e717755d SHA-256: 97dae138dbfa0c93493b8f991037c350cab1e5b009030f93ebd3a879f58a92d7

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/wix?keyword=scholarship+letter+of+recommendation+from+coach PDF link annotation
- http://plusstore.pro/502831892043v1jg.pdfIn PDF document text
- https://cdn.sqhk.co/dibirolinu/ijSphg5/tixelasikika.pdfIn PDF document text
- https://cdn.sqhk.co/nenuguvan/rO6heia/world_kingdoms_list.pdfIn PDF document text
- http://testrun.ru/78704649294jkbe1.pdfIn PDF document text
- https://cdn.sqhk.co/pigajifaw/9hajcEJ/detentionaire_lee_x_reader.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495838/normal_5fe9da1f42eff.pdfIn PDF document text
- https://cdn.sqhk.co/jemowevu/hjl7hbU/xisibiwabosufunelek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377400/normal_600a7a12ee8bb.pdfIn PDF document text
- http://fullpisetc.ru/papomononcuvy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497359/normal_601359bb31914.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/sabegokek/baxixulisorijodunana.pdfIn PDF document text
- https://s3.amazonaws.com/bagisi/teamviewer_14_crack_apk.pdfIn PDF document text
- https://s3.amazonaws.com/nilafafakem/wow_classic_horde_fishing_leveling_guide.pdfIn PDF document text
- https://s3.amazonaws.com/zufojadibi/reply_1994_ep_9_magic_eye_answer.pdfIn PDF document text
- https://s3.amazonaws.com/rezugekolaba/fudipu.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_off0000dc1d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC1D	5500 bytes
SHA-256: `a7f24b41a6f7acfa694b1cc5f5e89a0a6bb32c5688869d753fcf270cf2e2dbe5`
`font_01_sfnt_off0000eeaa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEEAA	10100 bytes
SHA-256: `84c3e22ae21652a6550e3cd3e1ddbddeebaee5748452fd81761fdb8213665648`

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