PDF malware analysis — malicious · 45344959c35dfe6c

MALICIOUS

PDF

74.9 KB Created: 2021-03-16 22:44:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22

MD5: bef8fc9a43cb8b3cfda2c6b9985dac68 SHA-1: 0ec38dbd70d3de2a3e07ccc874ff63aab5f0433a SHA-256: 45344959c35dfe6cd1fc7803f551f712423a579318642cf945582a131cb32df7

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF that contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also flagged this PDF with high confidence. The document body, though heavily obfuscated, contains keywords related to the embedded URL, suggesting a phishing lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

Heuristics 3

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
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://jumiwimov.ru/award?keyword=chinese+letters+to+english+pdf PDF link annotation
- https://cdn.sqhk.co/latusetime/70ejggg/masonry_wall_construction.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487192/normal_5fe81fd603cc6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404514/normal_600f1fd59ab6b.pdfIn PDF document text
- https://cdn.sqhk.co/lilomovetum/dqigyBi/minecraft_pocket_servers_philippines.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417995/normal_602623ff44244.pdfIn PDF document text
- https://cdn.sqhk.co/sixitigoxeto/2hAGgdk/carrier_aire_acondicionado_manual.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/jasadavebaga/laboratory_safety_management.pdfIn PDF document text
- https://s3.amazonaws.com/pexodugosa/jegabapagikusawubexivuka.pdfIn PDF document text
- https://s3.amazonaws.com/zidosozawok/spotify_can_t_songs_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71d585dd-f2bd-4392-b89a-3e5b0fea36b4/how_fast_will_a_kawasaki_mule_4010_go.pdfIn PDF document text
- https://s3.amazonaws.com/sebunuzu/tedubisokavumaxodig.pdfIn PDF document text
- https://s3.amazonaws.com/woberiz/panasonic_aw-_he40hw.pdfIn PDF document text
- https://s3.amazonaws.com/jepinebawo/mt4_alpari_uk.pdfIn PDF document text
- https://s3.amazonaws.com/kewuxejikiwe/interview_questions_and_answers_hr.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87b34a93-738b-4ac8-a641-4e90590aac97/38457305694.pdfIn PDF document text
- https://s3.amazonaws.com/nufidibodudulad/hair_brush_for_photoshop_7._0.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ff6b64f-ff98-46c8-b2ec-06da414024d3/lenisijosemizusi.pdfIn PDF document text
- https://s3.amazonaws.com/zulezov/sukefituvil.pdfIn PDF document text
- https://s3.amazonaws.com/jefobexapulow/puzzle_and_dragons_z_complete_monster_guide.pdfIn 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_off0000e53f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE53F	12836 bytes
SHA-256: `abdd03f12d6fba9a2bd8139cde3cb4f428977caa9534eb5289031d6eebe43603`
`font_01_sfnt_off00010ed5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10ED5	4904 bytes
SHA-256: `6a14024d2a9f91e5389d7d3f17abd142bc240eadf3175a92264296d6d1214359`

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