PDF malware analysis — malicious · 8b2d8c09115f9806

MALICIOUS

PDF

86.8 KB Created: 2021-02-20 20:27:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03

MD5: 52085f454648eb5a38eddad92a3f01cf SHA-1: 05eca3250347402460721937111fb3bf89addf0d SHA-256: 8b2d8c09115f98069f5edb0270b2cd1c26b8a7ad1be0b6849e35b74e38713efb

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though partially corrupted, suggests a lure related to 'Crock pot express crock xl instructions' to entice users to click the malicious link.

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://maypoin.ru/strik?utm_term=crock+pot+express+crock+xl+instructions PDF link annotation
- http://adv-workshop.site/75596267043t8p8c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448735/normal_60141ff042a30.pdfIn PDF document text
- http://begemot.space/vefapexamilewajuvujaxbqg5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443602/normal_6012609a10231.pdfIn PDF document text
- http://podipotekoi.ru/diagnostic_microbiologyrqfij.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484605/normal_5fe547351fbd2.pdfIn PDF document text
- http://1offpark.xyz/55048523801c8kqa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481993/normal_5fdf98c79821c.pdfIn PDF document text
- http://abwaab.su/american_woodmark_catalogwotu7.pdfIn PDF document text
- https://cdn.sqhk.co/pidefatop/idgcryi/superhero_wallpaper_apk_free_download.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485580/normal_5fcb2e94b88cc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369927/normal_5ff9fbb43ef0b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490949/normal_5fda085cd2602.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off00011852.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11852	4756 bytes
SHA-256: `adc88ab91a9ad7cce3db01469370ccbc29d958366574936f7ef3ee46c8e4ef38`
`font_01_sfnt_off00012897.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12897	11272 bytes
SHA-256: `abbb41cabb46c0d41e4ac4308d7aaa23e92eeb2f065634a5a606ca0992431ee7`

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