MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://traffine.ru/123?keyword=download+ti+83+online+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4380682/normal_5f8aef2c2614a.pdfIn PDF document text
- https://fotejisatowonu.weebly.com/uploads/1/3/2/3/132302873/domumewabibanuj_wufifi_riwufop_bozulodezij.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/livivuvuwugeb/bitter_harvest_ann_rule.pdfIn PDF document text
- https://s3.amazonaws.com/xedobox/dasinuvaruligojuvi.pdfIn PDF document text
- https://s3.amazonaws.com/legenapi/sezaxodugalobokivilam.pdfIn PDF document text
- https://s3.amazonaws.com/zokokamu/piano_chords_and_lyrics_for_gospel_songs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4564766-57a9-4677-9999-ab1bd643d4e5/sojazevulazepazamoxagu.pdfIn PDF document text
- https://s3.amazonaws.com/luresimosip/wimafovekixa.pdfIn PDF document text
- https://s3.amazonaws.com/jezaxojipevu/vijuxapuj.pdfIn PDF document text
- https://s3.amazonaws.com/ropuba/taiwan_railway_map.pdfIn PDF document text
- https://s3.amazonaws.com/fulosobezur/longaberger_retired_basket_price_guide.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_off0000cfc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC1 | 5172 bytes |
SHA-256: 17b6c134b664ae8d31cd5c6bdd7ef0a2dbc82bb8deb552dde8e2a2f6bccb8075 |
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font_01_sfnt_off0000e188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE188 | 10212 bytes |
SHA-256: ae1598b608b8373ecf68caca1aee4a51c678928ac85a30f71f3add27ef625157 |
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