PDF malware analysis — malicious · d51fde11e0d3d742

MALICIOUS

PDF

61.2 KB Created: 2020-12-03 23:06:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 0a62401a4ddb2145b4b275bbd94edd59 SHA-1: d869bc2c7ecfd5340e3121559bc58ab3d2adc235 SHA-256: d51fde11e0d3d7427e7bcd59d25a0394ce1742b3e8f233d45c47f66493c4128d

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 0.9995

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://trafficel.ru/strik?utm_term=bridgestone+ecopia+ep422+plus+205%252F60r16 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4401732/normal_5f971c8ba9a13.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc15a3c60f2895dc1eafeb7/t/5fc3ec182dd96f591866def2/1606675481151/57551213890.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29032396-9823-45af-b50c-ee2e4a2cc550/ludoloxisexofo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c240023-8465-472d-b230-5961a29c3ca1/nirani.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0f08c104edf1d7780fb42/t/5fc8bf7ae101942bf777fc05/1606991739175/fomakaludipirabike.pdfIn PDF document text
- https://s3.amazonaws.com/feseni/metformin_1500_mg_pcos_pregnancy.pdfIn PDF document text
- https://s3.amazonaws.com/jepinebawo/batla_house_movie_online.pdfIn PDF document text
- https://s3.amazonaws.com/tugumeb/chalkboard_background_template.pdfIn PDF document text
- https://s3.amazonaws.com/dovulavavo/calligraphy_script.pdfIn PDF document text
- https://s3.amazonaws.com/pizexopenaxu/37806782280.pdfIn PDF document text
- https://s3.amazonaws.com/zonebon/23982815425.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_off0000b146.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB146	6016 bytes
SHA-256: `15096d2f46ef8348bd742043278934b5fc674dab33d7b66b222eccd2698708f7`
`font_01_sfnt_off0000c5e6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC5E6	9984 bytes
SHA-256: `438a0c9dff66e317e5e276528b2a707b276cf6111f2717f618e0b6a5001ccd1d`

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