PDF malware analysis — malicious · 4f91937634edff90

MALICIOUS

PDF

67.9 KB Created: 2020-12-24 13:05:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: e7dbc9fe7a836e4ccba0606b45189e6f SHA-1: 972f2c58171a3890fba47c5658306f218607f779 SHA-256: 4f91937634edff90b9667a4681916255addc78f8a84d15c20db6f9aef0a3f8ee

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/strik?utm_term=prank+call+app+fake+calls+by+celebrities+application PDF link annotation
- https://static.s123-cdn-static.com/uploads/4480408/normal_5fe004da702ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371265/normal_5f924df8b1020.pdfIn PDF document text
- https://cdn.sqhk.co/wuvidomanale/ibUzNtk/nick_jonas_camp_rock_2_song_lyrics.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369926/normal_5f913d6be5063.pdfIn PDF document text
- https://tenimevu.weebly.com/uploads/1/3/4/3/134315692/cffe4bff3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375504/normal_5f8c7c7631b3f.pdfIn PDF document text
- https://lifexusubanipi.weebly.com/uploads/1/3/4/3/134377686/2fac8f37a776.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/megujobemegor/play_gameboy_games_online_free_no.pdfIn PDF document text
- https://s3.amazonaws.com/fomudebipefasu/tagop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/be5f0faa-cc4f-4502-825c-d0c3408ba862/the_forty_rules_of_love.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/41b7568b-bc60-41dc-a01d-2c200a3efedc/spark_plug_non_fouler_18mm.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_off0000cbbf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCBBF	5316 bytes
SHA-256: `176fdf7b6bd34a674c0725fd4fb90232754b616893c17ffcbd507d6e47fc0dce`
`font_01_sfnt_off0000ddee.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDDEE	10768 bytes
SHA-256: `97a8580c4ba4bc41eae1890c1b430df5ee85cd84510653a59bfc240dde38742a`

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