PDF malware analysis — malicious · e8f621b8a7d5faee

MALICIOUS

PDF

68.7 KB Created: 2020-12-29 15:07:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: a73d6a0f7e596c593d7fd26abfd7d239 SHA-1: 1667da754f277c53f211945658b4063f64868b39 SHA-256: e8f621b8a7d5faee522861df58b1e219d555a554b58659a84eb2c34e2d18494d

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/strik?utm_term=soccer+goalkeeper+pants+canada PDF link annotation
- https://cdn.sqhk.co/jumibizede/dkdsIhj/bokosaju.pdfIn PDF document text
- https://cdn.sqhk.co/gekobegij/4Tu8hfs/14466560723.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408471/normal_5fc8cfe4df6f5.pdfIn PDF document text
- https://cdn.sqhk.co/lupejatuwi/d4ihgjy/archipelago_botanicals_diffuser_refill.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408180/normal_5fac14c20ac00.pdfIn PDF document text
- https://cdn.sqhk.co/wolitobutak/gogefXK/padanajuxosud.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/a89c7e81-ca83-4a4e-81a1-0857404d64d5/55732214759.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/43963772-84c7-4287-be56-b70d0065ac75/dreamcast_emulator_psp.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/35251414-eb1a-44ab-9292-28e22784fb1b/jakugusonopur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e4a71593-a8f1-4367-ab04-eca827a48e02/8999310163.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fcde3e95-158d-4c0e-a9a3-7f956ab6d81d/dll_hacks_for_fortnite.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12962c97-4531-41af-be27-0ee018cd74d6/15652234811.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_off0000cdc9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDC9	5408 bytes
SHA-256: `b2255354b249d82517c62df40ef532f6570184562df04ec6c740404d2f571479`
`font_01_sfnt_off0000e03c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE03C	11496 bytes
SHA-256: `a8661efcb7b3be126268e93db3f16bb9493bdfb98c66f03402a9cae4658085f1`

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