PDF malware analysis — malicious · 88d7660e00c34f70

MALICIOUS

PDF

88.7 KB Created: 2020-12-29 17:50:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 14d3033eba04a464fa499a8cca9d1c91 SHA-1: 6a1ac583fab6a40ee947e1b00d23a9f6cad0b463 SHA-256: 88d7660e00c34f70fb944a780bca37a046b27de3458f4566c1623256b5eddcb5

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 0.9964

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://traffine.ru/123?utm_term=malayalam+kambi+katha+pdf+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425909/normal_5fd1e7ff60952.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417644/normal_5f9be0e41827c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421957/normal_5f977636d0ffe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454973/normal_5fa7002715221.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448547/normal_5fd6781f1a8a5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385620/normal_5f8fc77204001.pdfIn PDF document text
- https://cdn.sqhk.co/kurapobal/jaijrA5/40542049931.pdfIn PDF document text
- http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
- http://smc.org.inhttp://smc.org.inIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kisimujuk/warning_letter_format_for_absent_without_information.pdfIn PDF document text
- https://s3.amazonaws.com/wazagidonux/electron_configuration_chart.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
- https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000fe74.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xFE74	16764 bytes
SHA-256: `a8baab420eb55e2fe0c030d81fcdb938545521a1501f47f2a6649ef213c1c432`
`font_00_sfnt_off0000ec28.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC28	5412 bytes
SHA-256: `d5517ef7309d69defa11d90191d3d8042ede101f88e9f9cbaed87ad0c20b32aa`
`font_02_sfnt_off00013286.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13286	10380 bytes
SHA-256: `5b0e96fef5d6a8ee0a9d869bfe754a7903a002377b2f1fb57d0f34ecdfe961d0`

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