PDF malware analysis — malicious · e9f35a1414fc453f

MALICIOUS

PDF

66.3 KB Created: 2020-11-25 19:40:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 168719289e36c52101a7c20425c2e786 SHA-1: 3f52e6add2b3c3c5b932d6e679d60e25294a117f SHA-256: e9f35a1414fc453f06ab50fa1515b9422c55e5da6ab77a9d64e54b7917600712

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as Pdf.Phishing.Trojan. The embedded URL points to a suspicious domain, likely serving as a lure for phishing or malware delivery. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site.

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://trafffi.ru/strik?utm_term=ipad+pro+manual+2018 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4387921/normal_5f93ce3c41179.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488842/normal_5fb98095a7d5d.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/zedilegol/online_challan_form_uaf.pdfIn PDF document text
- https://s3.amazonaws.com/wixanarer/zodezuvazanalivabulewi.pdfIn PDF document text
- https://s3.amazonaws.com/toliwudalamem/answer_phantogram_meaning.pdfIn PDF document text
- https://s3.amazonaws.com/jedaxopopuko/tidajupakagejokufano.pdfIn PDF document text
- https://s3.amazonaws.com/voxazedisula/46334954421.pdfIn PDF document text
- https://s3.amazonaws.com/pajukovuxetu/real_estate_sale_agreement.pdfIn PDF document text
- https://s3.amazonaws.com/rorives/xovuti.pdfIn PDF document text
- https://s3.amazonaws.com/garorowa/bettelheim_the_uses_of_enchantment.pdfIn PDF document text
- https://s3.amazonaws.com/xilasisefi/vogisetulesivunakibiru.pdfIn PDF document text
- https://s3.amazonaws.com/dosalapasenow/xusipupirubo.pdfIn PDF document text
- https://s3.amazonaws.com/vasagesorajirem/guilty_girlz_rc_michigan.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_off0000c62b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC62B	5384 bytes
SHA-256: `4ab3b8064e15da85b411a3e99ad49542d68f119a4daccc04b8e0f6929a6f3f7a`
`font_01_sfnt_off0000d863.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD863	10984 bytes
SHA-256: `d26425e42d41d00af85c0873bb973a62603be4fa91c2fc5ed58b765f1af53a8b`

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