PDF malware analysis — malicious · 1ccc237d4503fd5b

MALICIOUS

PDF

68.2 KB Created: 2020-11-26 06:22:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 0728f5c12b4d1ee461663d7e1eb8c63e SHA-1: 2405f43d1b182f8f8a3b46a531fc9becaf3e1902 SHA-256: 1ccc237d4503fd5be3723bf92f2e1615036cb9068d8ea3a86b5dc51572681980

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://trafffe.ru/123?utm_term=the+eyes+of+glouphrie+puzzle PDF link annotation
- https://cdn-cms.f-static.net/uploads/4417214/normal_5f95e6eae3033.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369187/normal_5f8d02a709422.pdfIn PDF document text
- https://kosigejobawazi.weebly.com/uploads/1/3/4/3/134315380/fanizalewogevegumuli.pdfIn PDF document text
- https://fedijukesubi.weebly.com/uploads/1/3/4/6/134600597/3794193.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369183/normal_5f91959f9c9cb.pdfIn PDF document text
- https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/1867598.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366003/normal_5f9902098a480.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481841/normal_5fbb9997b9f0a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403128/normal_5f950ce19d760.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/lonozote/todukevefixasupujures.pdfIn PDF document text
- https://s3.amazonaws.com/pukasojalu/rukonu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/465f614c-387c-4b5c-9cff-a7db9ea3368c/mezerorelafofef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c325cf0f-1715-4b71-aeb8-4f76c7f7a608/zefimizovunesamupojevebu.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_off0000ce5f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCE5F	5052 bytes
SHA-256: `ba99c9116ca9618423dae3b1314432bb8334059595112837e45ba25f5aa921b6`
`font_01_sfnt_off0000dfa5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFA5	10932 bytes
SHA-256: `0f62b29740cd17581ce9865297ecf5b2a216eb1f16f56c5adbf8512dea5a11fb`

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