PDF malware analysis — malicious · 9a96fa1d827be153

MALICIOUS

PDF

77.2 KB Created: 2021-03-25 16:44:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 37fee72e9b58dc35dca4632160e716b4 SHA-1: 55e25b39451e40817278297f8b7926cedd119bf9 SHA-256: 9a96fa1d827be153ae4cb658e6f1316b678a10e069c273c5a49be7b8563025b8

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://xezojetit.ru/strik?utm_term=how+to+reset+smoke+detector+after+false+alarm PDF link annotation
- https://cdn.sqhk.co/soziwariru/NwjeOjG/jazanuv.pdfIn PDF document text
- https://cdn.sqhk.co/wibononuve/icjhUJk/lejavaxasonununaw.pdfIn PDF document text
- https://cdn.sqhk.co/vavuvalegel/K6ghhiR/resident_evil_4_apk_para_ppsspp.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369772/normal_601afe4392971.pdfIn PDF document text
- https://cdn.sqhk.co/jenexovu/LWgcKjb/cut_3d_model_revit_to_rhino.pdfIn PDF document text
- https://cdn.sqhk.co/labifikup/bibhhgc/multicraft_free_miner_game.pdfIn PDF document text
- https://cdn.sqhk.co/fusojafiza/jg1Aaib/the_light_between_oceans.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383916/normal_6013e46b1b540.pdfIn PDF document text
- https://cdn.sqhk.co/tikexumivu/hjigqvK/6860168995.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/dusined/cdc_vis_sheet_tdap_spanish.pdfIn PDF document text
- https://s3.amazonaws.com/tezofuretejom/kekonoparinex.pdfIn PDF document text
- https://s3.amazonaws.com/jedobufudajewu/wizubisezosoz.pdfIn PDF document text
- https://s3.amazonaws.com/lijopavexanuse/alcazar_seville_get_your_guide.pdfIn PDF document text
- https://s3.amazonaws.com/sezewu/7227373767.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_off0000eef1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEEF1	5284 bytes
SHA-256: `a263d4142d9f36259b288a9abe6015acdc181ba9fb4e9a0c7662d3971c9006d9`
`font_01_sfnt_off000100e7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x100E7	10916 bytes
SHA-256: `a4b3adce6ec5de49babd53c34c9025dcc6225a5ea822dfae704fb7fd1ab40847`

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