PDF malware analysis — malicious · 15975117a56e0623

MALICIOUS

PDF

68.2 KB Created: 2021-02-16 10:22:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 8d7069cc3f80b121ac3c687ff609fe59 SHA-1: 61c9d550aa10af2e23d2b707a97da932e5532d6b SHA-256: 15975117a56e0623cc9ef850f640ee2d8a411ea30c92284becd9725b20a1ce68

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI that redirects to a malicious URL, likely intended to trick the user into downloading further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to a technical query, suggesting a phishing or social engineering attack.

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://baarspo.ru/123?utm_term=how+do+i+connect+my+epson+xp+245+to+wifi+without+wps PDF link annotation
- http://wavasesinile.22web.org/happy_birthday_wallpaper_for_girlfriend.pdfIn PDF document text
- http://duboxol.iblogger.org/greedfall_vasco_guide.pdfIn PDF document text
- https://cdn.sqhk.co/wesaduleb/eXVhbhf/island_of_the_blue_dolphins_book_report.pdfIn PDF document text
- https://cdn.sqhk.co/tusadopovet/hbJST9t/zamulexebinuvemorozet.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/leributafa/98957056060.pdfIn PDF document text
- http://kokomato.epizy.com/angry_birds_go_app.pdfIn PDF document text
- http://zuxamivim.epizy.com/apocalypto_2_hd_movie_in_tamil.pdfIn PDF document text
- https://s3.amazonaws.com/vonuxagupeduze/werelujumowulekaji.pdfIn PDF document text
- http://zerimokima.rf.gd/block_star_planet_apk_indir.pdfIn PDF document text
- https://s3.amazonaws.com/sefabe/fenokakonogi.pdfIn PDF document text
- https://s3.amazonaws.com/rejiner/liverpool_vs_genk_bleacher_report.pdfIn PDF document text
- http://lemizirimafon.epizy.com/43056372667.pdfIn PDF document text
- https://s3.amazonaws.com/rizezobabub/54204262687.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_off0000caf4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCAF4	5624 bytes
SHA-256: `a9515ee677fa517c6048e709e794fb2447fe86090e8b4b20f2093b647159d7c9`
`font_01_sfnt_off0000de26.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE26	11620 bytes
SHA-256: `cb9c4b93e0c679d3cd89af8eebae0bf1f9ef757dbaabe45bbaef27891d7980f3`

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