PDF malware analysis — malicious · 61f35e122c562fcd

MALICIOUS

PDF

91.5 KB Created: 2021-05-28 02:41:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 1ff45e9ff6b58cf58898e3916eabf7fd SHA-1: 20689f7d24a65a8fece42f846cc7ebdd057d99f3 SHA-256: 61f35e122c562fcd2baa87d7ca26509ce129169442c39994d265b4badc2d5e73

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 0.9995

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://crophysi.ru/strik?utm_term=nice+guys+always+finish+last+lyrics+1+hour PDF link annotation
- https://cdn-cms.f-static.net/uploads/4530151/normal_600d568d1fc10.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387427/normal_605e1170ed391.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404990/normal_600eb1e4efc43.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387699/normal_600d81f7aee3f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448542/normal_5fe023136f07d.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/5dbbfd95-dbdf-4b37-8521-2a4f200ae45b/18019888856.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a1eb428a-3223-476e-9203-f3fb07b80037/xukeginebodasidafezu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d2a4513-ec85-49dc-b606-356165d4b3dc/clash_of_clans_hack_private_server_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/950644b0-39c3-4940-ab70-8831c8f1f1c9/descargar_musica_gratis_de_los_angeles_azules_amor_a_primera_vista.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e736cbfa-864a-457c-a333-5dfb4056c906/how_to_shut_off_a_kidde_smoke_alarm.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7ea6054-3784-436f-b9a8-89b1b30c0ea7/jack_reacher_2_netflix_brasil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8b3ced1-8ff5-4f61-ac5f-5398875254c3/a_litany_for_survival_poem_theme.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9bed6c4c-6e5b-48a4-a41a-e16e81efd636/13421545327.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/657efc0d-ae30-4736-9716-3b646ad7c4b5/rajimeteloxikesekixu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3868a011-f2f9-417d-8e91-0caf9d7c5006/warhammer_8th_edition_changes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7251dc9-4173-4cfb-b645-1ec992b6445c/wildcraft_hack_apk_8.0.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8063e893-f513-429f-bdfd-8e126662bf37/maytag_neptune_dryer_parts_mde5500ayw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8f56f17-a586-4ddf-899b-3b0462d11887/sunbeam_heated_blanket_queen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a81d2b85-02dc-42b7-a54f-412ec2d9a392/basic_questions_asked_in_electrical_interview.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c46478d5-69be-4641-8026-d47b2bad9419/how_to_say_i_can_draw_in_japanese.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86dc8a13-5fce-4753-b911-35669c27448c/wefivafoxogibirasuwenim.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc82ba19-7de4-4371-9ecb-7822919d9ec6/duwolabulitumuwovaveb.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_off00011503.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11503	5356 bytes
SHA-256: `ca0a8d8f2fe22c35b84c447f80aec504320db39313bec93f06dce4302cc53553`
`font_01_sfnt_off0001275a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1275A	2484 bytes
SHA-256: `f461f7832b2ee6b9184036a59cbca25cba2d604834e0fb67223598b65c616e8b`
`font_02_sfnt_off0001325d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1325D	15280 bytes
SHA-256: `73245614f8c0253f6130f41fcae0fba1a8dac7b9c81754b66af5a9cdcba24e88`

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