PDF malware analysis — malicious · ec7a0bc8e6ce57a2

MALICIOUS

PDF

65.4 KB Created: 2020-11-17 15:40:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01

MD5: e1a1333efd9a52fb5c4af780bf2f5b55 SHA-1: d8e98547f8647aa5d54cd3658897bfa274249a47 SHA-256: ec7a0bc8e6ce57a2230325ed1102d9ece320960b42e8781271c486b36900a267

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-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=teoria+geral+da+administra%25C3%25A7%25C3%25A3o+antonio+cesar+amaru+maximiano+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4415080/normal_5f9c49506dc0b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474980/normal_5fb30c84c4f76.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368244/normal_5f89f40f58147.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/wegemebufojafak/pifikedise.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/90b9f786-56eb-4e56-811b-753d1b64cb69/12149529078.pdfIn PDF document text
- https://s3.amazonaws.com/lupebesu/46697459916.pdfIn PDF document text
- https://s3.amazonaws.com/medaliwifufugel/rugebe.pdfIn PDF document text
- https://s3.amazonaws.com/sonutopexaramuf/google_maps_driving_directions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62118382-1d96-43cf-8314-dbb04050667d/junixetidukuropizug.pdfIn PDF document text
- https://s3.amazonaws.com/damevusom/habanera_carmen_guitar_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d2ae017-a820-4b61-978d-97ab4e732517/makikaxapavebekatudunima.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec520872-70d8-4312-87e2-a56779f9063a/sejuganadugufugif.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_off0000bbd0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBBD0	5992 bytes
SHA-256: `7902f915d213c34f520cf9944cd3a907d362cab585897961903cfe405f30ab37`
`font_01_sfnt_off0000cf4a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF4A	12664 bytes
SHA-256: `2e6cb0adc6e2d9a40e0d98046b9274f5594b3ecf72906473d432f24ae00348c7`

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