PDF malware analysis — malicious · 165f1fdccfc5137e

MALICIOUS

PDF

67.6 KB Created: 2021-02-14 07:17:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29

MD5: f393568c60573692b4d7f06b42209819 SHA-1: bbcf4cd249bdd2aefe22ec373d58708b2c41200c SHA-256: 165f1fdccfc5137eb8017947d6779252e23db0368d979c4e71b7edb14e700c48

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document identified as malicious by a ClamAV detection and an ML classifier. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site or download further malicious content. The document body, though heavily obfuscated, appears to be related to product instructions, serving as a lure.

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://druttle.ru/wix?keyword=ihip+side+swipe+bluetooth+headphones+instructions PDF link annotation
- https://static.s123-cdn-static.com/uploads/4449616/normal_5ff559a34eeee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402963/normal_601a789ec6a51.pdfIn PDF document text
- https://cdn.sqhk.co/pabelewexo/w1heib5/pokemon_go_plus_watch_reset.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459780/normal_600298f37c8e3.pdfIn PDF document text
- https://cdn.sqhk.co/munenetifu/jaiiij5/gazoxalivinowupopupukikiz.pdfIn PDF document text
- https://cdn.sqhk.co/noperizapewo/yYjgihc/best_pc_games_2020_multiplayer.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/xukonakefules/tesapikabalusomowozo.pdfIn PDF document text
- https://s3.amazonaws.com/jupudizadid/98728018954.pdfIn PDF document text
- https://s3.amazonaws.com/lorugipopuxe/pejimopiwijobapedikafupig.pdfIn PDF document text
- https://s3.amazonaws.com/jebokizez/lexalovasezabifez.pdfIn PDF document text
- https://s3.amazonaws.com/jotizifime/44559252593.pdfIn PDF document text
- https://s3.amazonaws.com/kefefetafij/amide-_forming_ligation_reactions.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_off0000caba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCABA	5332 bytes
SHA-256: `5543f66a535ec5c39ab029dba611969a89b301121973d8780ccb67b5e14f1f96`
`font_01_sfnt_off0000dcdc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDCDC	10756 bytes
SHA-256: `2f1a6d058d4cbb9bab976f2ea3f005ede2330e78ea36d0590a233994d0b1ceef`

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