PDF malware analysis — malicious · b7ae4a6f3f1118ea

MALICIOUS

PDF

76.6 KB Created: 2020-12-31 16:43:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 701c57a49fa855cbffaedd53cb3e257c SHA-1: 211133c35f6ef6c7a9fa800954e6495a34ac3d56 SHA-256: b7ae4a6f3f1118eaf55bf73c0748d21facefdbb9564dbd3be7b8f9e40eade9d6

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 0.9998

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://traffnew.ru/strik?utm_term=learning+spanish+in+spain+reviews PDF link annotation
- https://cdn-cms.f-static.net/uploads/4379848/normal_5f9b09d22c74e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424696/normal_5f9a824c2ac71.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413126/normal_5fc4da14ca138.pdfIn PDF document text
- https://peziwotikiju.weebly.com/uploads/1/3/4/6/134602895/7968391.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383913/normal_5f9975e50ece9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392649/normal_5fc9909d2c34e.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/levumoduf/ongc_videsh_annual_report_2015-_16.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/34175e01-d979-487f-8b87-296588e1086a/changing_address_on_license_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc0b7aec-8bd6-4082-a7ec-6582f9b928ba/straight_from_the_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5195f555-71ba-4682-9ba5-27be99fb8c14/54108732192.pdfIn PDF document text
- https://s3.amazonaws.com/sesafefanulokam/games_unblocked_hacked.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_off0000f0e0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF0E0	5144 bytes
SHA-256: `b069b8a47cd47c6805bff255cf90701e27d09fbd9d75c2c7f35802ca2f877551`
`font_01_sfnt_off00010277.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10277	10236 bytes
SHA-256: `8a25aacf398bfdc74cdb833b4bca0cbd45682b9ac83b3be909567423417df968`

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