PDF malware analysis — malicious · 29595695fedcd0d4

MALICIOUS

PDF

73.4 KB Created: 2021-02-21 20:41:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22

MD5: 8d847644441ce881ab7197d59bccf505 SHA-1: 7cf2b06a131c4226e468733496e37e7d67ff9f82 SHA-256: 29595695fedcd0d4a21f997ebfb0ed4777fd62f1ceb21071f7e57a5e7b2e52e4

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a phishing page, masquerading as a product review. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the presence of multiple suspicious URLs suggests a phishing campaign.

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://seumenha.ru/strik?utm_term=polk+audio+surroundbar+6000+review PDF link annotation
- https://cdn.sqhk.co/pulisamog/8SUNhgL/mujawin.pdfIn PDF document text
- http://pisifivomi.22web.org/jezasesawidanin.pdfIn PDF document text
- https://cdn.sqhk.co/nekuripafi/ahhjddn/my_digicel_plan_internet.pdfIn PDF document text
- http://tedewirivotu.iblogger.org/43228363144.pdfIn PDF document text
- http://xogubafirugufa.iblogger.org/39706143623.pdfIn PDF document text
- http://mmmmmme.space/51584015911obvvz.pdfIn PDF document text
- http://juguzixuvuw.iblogger.org/61590113494.pdfIn PDF document text
- http://giboxibefelas.22web.org/examen_procalcitonina.pdfIn PDF document text
- http://biomaniix.website/alliant_powder_reloading_data_for_6.5_creedmoors3223.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/gezizefefififa/16785833566.pdfIn PDF document text
- https://s3.amazonaws.com/fujadabez/c_s_lewis_the_four_loves.pdfIn PDF document text
- https://s3.amazonaws.com/vonusirukete/biochemistry_book_by_satyanarayana_free.pdfIn PDF document text
- http://rakemexovujepez.epizy.com/pivovofavopixajufol.pdfIn PDF document text
- https://s3.amazonaws.com/lewuli/faramuzovonuwafijurovipi.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_off0000e12c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE12C	5472 bytes
SHA-256: `d2090762de4b03a4699baee95929215de4f96641035cb8cdaac0384ced551503`
`font_01_sfnt_off0000f3ea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF3EA	10652 bytes
SHA-256: `6f052d0358f00fe95de096bda7f20d76f266e3f43e3974a55106a7d5f6ea0804`

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