PDF malware analysis — malicious · 9487b54edc0ce98a

MALICIOUS

PDF

73.0 KB Created: 2021-02-17 16:27:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04

MD5: 7a98d8989e17a7f58b51deea31f8b223 SHA-1: 36e227b9c8bae152e3823e243e82f5a9b5b8328a SHA-256: 9487b54edc0ce98a566e00139f5fdf737a30ca504d0c43d97ab2a5ecbcd87fd7

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though obfuscated, suggests a lure related to a 'remote starter kit', further supporting a phishing or social engineering attack pattern.

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://druttle.ru/wix?keyword=remote+starter+kit+for+manual+transmission PDF link annotation
- https://static.s123-cdn-static.com/uploads/4376103/normal_5fe2e6e5487d6.pdfIn PDF document text
- http://cabinetsly.xyz/62563894475xj08b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411700/normal_6029b3b7ea796.pdfIn PDF document text
- http://my-favshope.online/clulas_falciformes_tratamiento_naturali0yxq.pdfIn PDF document text
- https://masizomomom.weebly.com/uploads/1/3/2/6/132681315/vuviwubefexox.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4389366/normal_5ff4cc8c2955e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405674/normal_5ff4c1245f579.pdfIn PDF document text
- http://detonic-buy.website/tax_analyst_interview_questions_and_answers9obwq.pdfIn PDF document text
- http://tophomework.space/dungeons_and_dragons_5e_sword_coast_adventurers_guideag7s0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489835/normal_5fe88add68e49.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445104/normal_60286c6facdd1.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_off0000e0b1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE0B1	4984 bytes
SHA-256: `1e4ec0e7f125ee31f0e53e63010d77bba030724b55cb151c2b66317b751beae4`
`font_01_sfnt_off0000f193.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF193	10480 bytes
SHA-256: `4bcfb85cfea5945a3c1a300b50ca09ba28ddeef1debd0285199ec68f89002155`

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