PDF malware analysis — malicious · 03ed1367fecc522d

MALICIOUS

PDF

66.0 KB Created: 2020-12-04 11:50:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 72f66fc042605484c2fd777ff45838fc SHA-1: d85f618100290ca4a6a339129309b0175eeed68d SHA-256: 03ed1367fecc522d850a4a6d3d455f5b2d97b7e03e58aa4bddd05b6a74682e8e

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://traffine.ru/123?utm_term=adding+negative+fractions+calculator+soup PDF link annotation
- https://cdn-cms.f-static.net/uploads/4418747/normal_5fad7b6b53784.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384164/normal_5f99762241c1d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454966/normal_5fbb3f6377f90.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/457dfbd4-4a35-4089-8e4f-b45c16071d8e/vojedoxesijunukesos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f7e31ef-e084-4b61-ac1f-0918e68671dd/37802752550.pdfIn PDF document text
- https://s3.amazonaws.com/jejulurowev/76812033811.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28fb7af2-e178-4daa-b5a6-874244885d6e/pelogeganeruxutov.pdfIn PDF document text
- https://s3.amazonaws.com/libosokune/soterefo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bbe027d1-490b-48ad-9ff5-5bd9b1d0db7a/35352499082.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc12df85bcb0228a284406c/t/5fc395999d79364840fc04bd/1606653337930/34121693760.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d175fac-fd57-483e-880d-a6b5c1dc125c/34779670251.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_off0000c2b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC2B9	5372 bytes
SHA-256: `5e9c613fe0fc73a924a89ca6cb027438d9e11f48998bc63ce3eb396daa374361`
`font_01_sfnt_off0000d51f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD51F	11304 bytes
SHA-256: `e0102efb9a33280d8b0804e8b07684f37a569c1d25755a9f9ea753c9f4a27ba0`

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