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 0.9998
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://trafftec.ru/123?utm_term=quantum+mechanical+model+of+the+atom PDF link annotation
- https://cdn-cms.f-static.net/uploads/4390664/normal_5fbf0dd8bd0d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481272/normal_5fb32c51790f2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413244/normal_5fb61c543d437.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369632/normal_5fc099a1dc82e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378606/normal_5fbf6069b6676.pdfIn PDF document text
- https://cdn.sqhk.co/kewexezaviz/Qgh47bv/private_download_apkpure_uptodown.pdfIn PDF document text
- https://rofizikijomosuj.weebly.com/uploads/1/3/4/0/134012810/zojinimobemesuruxof.pdfIn PDF document text
- https://cdn.sqhk.co/situdejoj/R3QhODM/dead_ahead_meaning_idiom.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/bevarolimesale/86966604753.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2b4492e3-ea3e-4507-84dd-cb3e51ae1105/entertech_magic_sing_song_chips.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fd60268-53cf-4afe-b4f2-7c5e80d4f1d6/gasuse.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ebfc137-7abf-401b-a632-48c267d921c9/juburirevemu.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_off0000c70c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC70C | 5048 bytes |
SHA-256: 373b794b8f2b76ce30b2c5234ec321526ed70be38328b6f8105d9dbf5c900711 |
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font_01_sfnt_off0000d818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD818 | 10924 bytes |
SHA-256: c2ddd40f6878b91ae528335f7b90d64da02faf716edaac51a6db089aab011f7b |
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