PDF malware analysis — malicious · bf337b1ebd8b967b

MALICIOUS

PDF

80.3 KB Created: 2021-02-22 03:09:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: bda06ae63388d1f09b0852aae8644ee0 SHA-1: be656338e3ea64acdb9fb26652252b08eba40732 SHA-256: bf337b1ebd8b967b6be0d92e58bad6fb1206dd4750dce46ee35210a14dd5381c

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://baarspo.ru/123?utm_term=what+is+another+word+for+no+longer+needed PDF link annotation
- http://lnstagramservicecopyrights.com/pixepogunaxorivij9xeo2.pdfIn PDF document text
- https://cdn.sqhk.co/gozolijitow/jiggh3l/project_management_certification_online_courses_free.pdfIn PDF document text
- https://cdn.sqhk.co/durotula/fbiiigd/72539470376.pdfIn PDF document text
- https://cdn.sqhk.co/nesorosuxim/ibd2gjf/72722766545.pdfIn PDF document text
- https://cdn.sqhk.co/regavebike/ghhaijj/36427847025.pdfIn PDF document text
- http://inter-kalinka.ru/cuantas_calorias_tiene_una_mandarina_dulce7mgy3.pdfIn PDF document text
- https://cdn.sqhk.co/butiluluvuk/Xq6NIhd/dofogipomatudazizitev.pdfIn PDF document text
- http://zejufixapoferu.iblogger.org/bogan_video_songs_hd.pdfIn PDF document text
- http://c-advance.space/antropologia_del_cuerpo_le_bretonicvlz.pdfIn PDF document text
- http://rcasino.info/jowimasuzuf808m9.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/jigezilor/android-_x86_8._1-_r1_oreo-_x86.pdfIn PDF document text
- https://s3.amazonaws.com/gifojuxaxeva/sunok.pdfIn PDF document text
- https://s3.amazonaws.com/gezetega/dewalt_dw718_chop_saw.pdfIn PDF document text
- https://s3.amazonaws.com/rujimidujek/vampire_diaries_season_8_soundtrack.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_off0000f88c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF88C	5272 bytes
SHA-256: `87048b254bcf7d7de3bb7f43b475c53225e41f1b4d3632284467ac11b7c7df9d`
`font_01_sfnt_off00010a8e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10A8E	11648 bytes
SHA-256: `33af67d1420d2b6a8e0c29db01cde29836e470b3f105ca4755ac234060443124`

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