PDF malware analysis — malicious · 8572671c5e70f0de

MALICIOUS

PDF

74.3 KB Created: 2021-03-21 23:43:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9db7a402dd51513dcf3358137c6cf1fc SHA-1: 1fbc820e021fe3fee0b1de85c1c5d231a3f406d5 SHA-256: 8572671c5e70f0de862ae442461b8b099abfc71524b3947184e42e0a8eafbbeb

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, which is likely part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of an external URI suggests the document's purpose is to redirect the user to a malicious site, likely for credential harvesting or further payload 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://leonvi.ru/wix?keyword=tera+slayer+guide+pvp
- https://cdn.sqhk.co/xipitufekaru/hemvAca/koket.pdf
- http://help-bluebadgecustomer.com/sharp_objects_shows_likezinjj.pdf
- http://pokemonrivals.online/wwe_2k14_psp_iso_download_highly_compressedhod59.pdf
- https://cdn.sqhk.co/bovutolomevo/gfWgjjf/5078895723.pdf
- https://static.s123-cdn-static.com/uploads/4389571/normal_5fe1c7ceebf98.pdf
- http://refazali.mygamesonline.org/mg6071_entrepreneurship_development_book.pdf
- http://oneitstore.pro/dakunaxukadenegedodofujozrqaez.pdf
- https://cdn.sqhk.co/goxufime/hhLlEkm/10102743402.pdf
- http://fogafiv.mypressonline.com/garuv.pdf
- http://pesale.pro/373784902304jr5p.pdf
- https://cdn-cms.f-static.net/uploads/4446647/normal_60129648d52ec.pdf
- http://therarbooks.com/civil_service_exam_nyc_study_guidefdbyh.pdf
- https://cdn-cms.f-static.net/uploads/4452382/normal_602268add6c0d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/kovibu/zafitibezekeg.pdf
- https://s3.amazonaws.com/kiguteperilodu/raxalitasaliv.pdf
- https://s3.amazonaws.com/tarajix/manualidades_navideas_reciclaje_con_botellas.pdf
- https://s3.amazonaws.com/bejenosugede/bangla_to_english_translation_apps.pdf
- https://s3.amazonaws.com/viromibukoleliw/enfermedades_que_afectan_al_sistema_endocrino.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e621.bin` `639cadb10d3f1282c4a0dcdfbd3ba03e16da02566ab3ba35eaa950a5fcfb3723`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE621	5236 bytes
`font_01_sfnt_off0000f80e.bin` `a17165e24defaf49161e2f8760b4357f22972e8d99b6be6ec57267e441438963`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF80E	10568 bytes

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