MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains multiple embedded URLs, with one specifically pointing to a domain associated with phishing lures ('sample letter to landlord for repairs california'). The ClamAV detection and ML classifier strongly indicate malicious intent, likely to redirect users to a phishing site or download further malware. No scripts were extracted from this sample, but the presence of numerous external links suggests a focus on redirecting the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://trafftec.ru/123?utm_term=sample+letter+to+landlord+for+repairs+california
- https://cdn-cms.f-static.net/uploads/4501041/normal_5faeb867da773.pdf
- https://sojejizewo.weebly.com/uploads/1/3/4/4/134460985/kudar_vomenupep_widanas.pdf
- https://bukivobiwizu.weebly.com/uploads/1/3/4/0/134097020/e7d61.pdf
- https://nurixuwabojud.weebly.com/uploads/1/3/4/5/134587723/goxesus.pdf
- https://lemitixodage.weebly.com/uploads/1/3/4/8/134868200/zotabukapezo.pdf
- https://cdn-cms.f-static.net/uploads/4374954/normal_5f8ee17d2d6f1.pdf
- https://jelamiwigu.weebly.com/uploads/1/3/1/3/131382248/zuxozit.pdf
- https://jegesasep.weebly.com/uploads/1/3/4/5/134502647/946425.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/kuxuxemu/nifaromewofegadutimuvufi.pdf
- https://s3.amazonaws.com/tadovu/dapexalazovide.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbc6.bina5963d0bc02427457f750e6ab38f8214f49fb1d8379c5aefe464c4dafb174833 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBC6 | 5404 bytes |
font_01_sfnt_off0000de0d.binb96bfeadb9f10588ad1c1de5a6874f5073ba9d49eed2d6335f1906ad74deeece |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE0D | 10388 bytes |
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