PDF malware analysis — malicious · 6f5865f89e2ef5ef

MALICIOUS

PDF

72.6 KB Created: 2021-01-03 07:12:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 556d39adbf38021f58b7b48a66c566fa SHA-1: 9ec6cd7228eb2fc9c1dc4d23106312dbdf2849c9 SHA-256: 6f5865f89e2ef5ef851f90e0d93eaa5da5431ec5895b958f68ee3a04bbc0080c

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 disguised as installation instructions. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs suggests an attempt to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://traffnew.ru/123?utm_term=harbor+breeze+ceiling+fan+remote+installation+instructions PDF link annotation
- https://cdn.sqhk.co/sopiloroda/higdZjb/jimafipesivufugivas.pdfIn PDF document text
- https://cdn.sqhk.co/zoboxoba/hhfgdzG/24295988676.pdfIn PDF document text
- https://cdn.sqhk.co/fawabanof/hImgehj/71628908172.pdfIn PDF document text
- https://cdn.sqhk.co/zupuguvawaj/49hbhhO/ravens_depth_chart_rotoworld.pdfIn PDF document text
- https://cdn.sqhk.co/sunidoxil/oT7Ehjr/amazing_deals_inc.pdfIn PDF document text
- https://cdn.sqhk.co/vakanaju/djc8Rid/kepigobug.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/leguvefu/39228065463.pdfIn PDF document text
- https://s3.amazonaws.com/kumasala/auto_insurance_certificate_template.pdfIn PDF document text
- https://s3.amazonaws.com/vidadaviwal/69876138757.pdfIn PDF document text
- https://s3.amazonaws.com/jobavo/fide_rules_of_chess.pdfIn PDF document text
- https://s3.amazonaws.com/xuvamuba/tivifesipajowapujume.pdfIn PDF document text
- https://s3.amazonaws.com/dewutexorob/appraisee_s_comments_on_overall_performance.pdfIn PDF document text
- https://s3.amazonaws.com/rotowan/subject_and_predicate_worksheet_online.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_off0000dfb1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDFB1	5352 bytes
SHA-256: `1542361007f31ad6c71ff7b2aa5fca5a6812efb57192a96270d3040d64317b39`
`font_01_sfnt_off0000f1d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF1D7	10324 bytes
SHA-256: `8990e89794c93ee6785c5c18a4df90764648cc29b9f3ae4f1024df83d7b7799c`

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