PDF malware analysis — malicious · 87cbc150f5978cdc

MALICIOUS

PDF

73.2 KB Created: 2020-11-23 07:10:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 8ba88412508754af17295163e7e64462 SHA-1: dae66dcc438e9eec33f62955bae58692b2a89156 SHA-256: 87cbc150f5978cdc35e00cfd9f74f0d7e5df50161397fcb2bd4bef728e10cb0b

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 0.9997

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=2+look+pll+and+oll PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388163/normal_5fb4dcb0df738.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389108/normal_5f9146739d9a3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383794/normal_5f9a55e90a417.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/vonusirukete/nisqually_jail_wa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e307181d-5bc8-453a-9bb9-733cb73790e5/wugila.pdfIn PDF document text
- https://s3.amazonaws.com/savukojubusum/21909403502.pdfIn PDF document text
- https://s3.amazonaws.com/fikuvine/can_you_add_a_hyperlink_in_illustrator.pdfIn PDF document text
- https://s3.amazonaws.com/zedudo/21823178969.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1de75bc-a75a-4ce8-b7c0-093c8b43b8e3/71436786268.pdfIn PDF document text
- https://s3.amazonaws.com/xubifupi/smapi_stardew_valley_pc.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4443bca-5a34-43f7-b2de-14aefabf2eed/duwenugite.pdfIn PDF document text
- https://s3.amazonaws.com/woxotopapozokev/calculator_ti_84_online.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_off0000e1f4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE1F4	4780 bytes
SHA-256: `05995437372b4e7354c31322c1bc4d24194a5351e35b72166440ea26dfa58612`
`font_01_sfnt_off0000f249.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF249	11472 bytes
SHA-256: `0a29b23995356ded6ae9856bc25b1b8b6b3474ba666bf7a7a726c084f62f1009`

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