PDF malware analysis — malicious · 97d135ffd46b09a3

MALICIOUS

PDF

67.7 KB Created: 2021-01-18 14:44:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11

MD5: 9aff21b5108d14800448202472b09281 SHA-1: 2fd8f8031202b8c8d5b25b452552b1703a3dfe83 SHA-256: 97d135ffd46b09a3ddcf9215c4820acad4121f079bf298b64fe25d95371b654d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file 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. Although no scripts were explicitly extracted, the presence of an external URI suggests an attempt to redirect the user to a malicious site, likely for phishing or malware delivery.

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://trafficel.ru/123?utm_term=owasp+code+review+guide+2020 PDF link annotation
- https://cdn.sqhk.co/kenipafitu/gggiaif/pofiwimoxoz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393754/normal_5feddbcac12e3.pdfIn PDF document text
- https://cdn.sqhk.co/musutalivun/jb1gfgj/poutine_food_truck.pdfIn PDF document text
- https://cdn.sqhk.co/mezutorixo/G3whjtV/zovaxefitifoxi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404753/normal_5fdbd396aa62b.pdfIn PDF document text
- https://cdn.sqhk.co/raxoxawupej/3erOo0U/14064773096.pdfIn PDF document text
- https://cdn.sqhk.co/jixavome/nihsLjd/sowuxebavubokaxez.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/mupukesunobaga/penguin_meme_birthday.pdfIn PDF document text
- https://s3.amazonaws.com/benubapopikaj/manualidades_faciles_para_mi_novia.pdfIn PDF document text
- https://s3.amazonaws.com/tolivajupeku/15954553666.pdfIn PDF document text
- https://s3.amazonaws.com/julaxel/gta_san_andreas_cheats_file_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/jobavo/descargar_google_adsense_apk.pdfIn PDF document text
- https://s3.amazonaws.com/tanapilamaxi/22194996491.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_off0000c7e1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC7E1	5660 bytes
SHA-256: `c5efdae1b9e7f974021ec659c0024f9211ed1fe1801dbdda8c6361211a89efb1`
`font_01_sfnt_off0000db4b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDB4B	11440 bytes
SHA-256: `831ca4e2781674aa5a684ede1c326fb72ae5cb728790c765f6c65dfc109b214b`

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