PDF malware analysis — malicious · 77f5a2ee4279bdde

MALICIOUS

PDF

83.9 KB Created: 2021-06-03 19:47:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 40d845b1b026b7a03c0a48c3173587de SHA-1: 503b8907fbcaa23d43aa80956811562209cdce16 SHA-256: 77f5a2ee4279bddeca701d692cb4bec3589d08d7c6701c2904995e175dea02bc

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 0.9990

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://botokaw.ru/123?utm_term=game+talking+tom+bubble+shooter+mod+apk PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365583/normal_5fd3c225c1cbb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382412/normal_601b7152027af.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4493221/normal_600996b97acb4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484999/normal_60279e55e2b72.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477913/normal_60155a7a97ee8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369309/normal_60134b0e98f1e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421614/normal_604ae92691b11.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489839/normal_60600ba649593.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405459/normal_5fe0dea402308.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370077/normal_604114f5ec287.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392873/normal_5ff04b292fbee.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496005/normal_60093b457552e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/816ec872-8344-46cd-8f21-5ea3d1801521/dewalt_cordless_10_sliding_miter_saw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26c753e6-dcd5-4115-b853-b71e07b28122/70282981179.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72aaffa5-7975-47e2-a2f9-f3c7674ced4b/94348105284.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/973e5bee-8fb0-4de8-9fd1-ff38f6eb3340/80184977996.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d55994b6-c2bf-4cf6-b41d-d748702ccc14/user_manual_honda_city_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cce9e25f-2561-43ac-867d-c357729f4dd4/cast_of_fiddler_on_the_roof_musical_movie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5229a47e-cf63-4776-bb88-accdef0bf0ee/naxonagitezis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88629218-5f88-4ae3-8a57-6c0c846a293b/68742800862.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08c4f35b-3da3-4d49-b11a-f40f84e28e8a/96839712301.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a1cad39d-0c3d-4b1d-941b-3147329e58fb/norse_creation_myth_name.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9329cbb6-058e-467b-9e4f-8857d243b96a/5944097150.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb0a94ae-69b1-4bbe-b5de-d31a9c065997/55613456120.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f92b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF92B	5492 bytes
SHA-256: `037ba87432aeb00439d901a8162e3bcdc609a590eee1677bd663d94414762953`
`font_01_sfnt_off00010ba9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10BA9	11812 bytes
SHA-256: `8ba2ba4aa59dbeff94b5442e475c354a47c7d272511dbe34d5f118c44151df6d`
`font_02_sfnt_off00013237.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13237	4324 bytes
SHA-256: `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`

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